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Organisational structure in early vertebrate embryogenesis
The primitive node (or primitive knot) is the organizer for gastrulation in most amniote embryos. In birds, it is known as Hensen's node, and in amphibians
Primitive_node
Structure in early amniote embryogenesis
the cranial (anterior) end of the disc, the primitive streak expands into an area known as the primitive node which is the organizer for gastrulation. In
Primitive_streak
Topics referred to by the same term
responsible for initiating and coordinating the heartbeat Primitive knot or primitive node, the organizer tissue for gastrulation in vertebrates The place
Node
Organelle found on eukaryotic cells
central pair of microtubules are found in the cells of the embryonic primitive node; termed nodal cells, these nodal cilia are responsible for the left-right
Cilium
Development and formation of the human embryo
by way of the primitive streak which establishes bilateral symmetry. A primitive node (or primitive knot) forms in front of the primitive streak which
Human_embryonic_development
Flexible rod-shaped structure in all chordates
The progenitor notochord is derived from cells migrating from the primitive node and pit. The notochord forms during gastrulation and soon after induces
Notochord
Scientific theory in vertebrate development
(left-side-turn) in the anterior tip of the primitive node (a.k.a. Spemann-Mangold organizer in amphibians or Hensen's node in birds), the left-right situs of
Axial_twist_theory
Structure in an embryo which will become the nervous system
serves as the basis for the nervous system. Cranial to the primitive node of the embryonic primitive streak, ectodermal tissue thickens and flattens to become
Neural_plate
3D computer graphics software
an attribute spreadsheet editor. The Geometry Nodes utility also has the capability of creating primitive meshes. In Blender 3.0, support for creating
Blender_(software)
Mathematical tree of integer right triangles
tree of primitive Pythagorean triples is a mathematical tree in which each node represents a primitive Pythagorean triple and each primitive Pythagorean
Tree of primitive Pythagorean triples
Tree_of_primitive_Pythagorean_triples
Transcription factor
in cells comprising the primitive node (node) of the developing embryo and functions to define the shape of the primitive node, help develop the lateral
Notochord_homeobox
Mammalian protein found in Homo sapiens
embryogenesis, playing a key role in signal transfer from the primitive node, in the anterior primitive streak, to lateral plate mesoderm (LPM). Nodal signaling
Nodal_homolog
Process by which animal embryos form and develop
knob-like thickening termed the primitive node or knot, (known as Hensen's knot in birds). A shallow groove, the primitive groove, appears on the surface
Animal_embryonic_development
Anatomical structure in a developing embryo
fish, and the primitive streak in birds and mammals. Each is controlled by the dorsal lip and primitive node (also known as Hensen's node), respectively
Archenteron
Medical condition
fertilized eggs occurs early in development. Partial splitting of the primitive node and streak may result in the formation of conjoined twins. These twins
Conjoined_twins
Embryologic stage in which germ layers form
in the development between mice and humans. Fate mapping Neurulation Primitive node Vegetal rotation Urry, Lisa (2016). Campbell Biology (11th ed.). Pearson
Gastrulation
Cells that give rise to the embryo in amniote development
of the epiblast to the center midline. The primitive node is situated at the anterior end of the primitive streak and serves as the organizer for gastrulation
Epiblast
Abnormally fast heart rhythm
These abnormal rhythms start from either the atria or atrioventricular node. They are generally due to one of two mechanisms: re-entry or increased automaticity
Supraventricular_tachycardia
Protein found in humans
endoderm and blocks the action of BMP, Nodal and Wnt, secreted by the primitive node, which allows for the formation of a head region. This is accomplished
Cerberus_(protein)
Collaborative map database
three geometric primitives: A node is a point with a geographic coordinate expressed in the WGS 84 coordinate system. A standalone node represents a point
OpenStreetMap
Protein-coding gene in the species Homo sapiens
stroke for cilia.3 During early development, the cilia found on the primitive node will beat in a directional pattern, sending signaling molecules to the
DNAH5
Prenatal development of the heart
Pacemaker cells develop in the primitive atrium and the sinus venosus to form the sinoatrial node and the atrioventricular node respectively. Conductive cells
Heart_development
Limited form of tree data structure
In computer science, a binary tree is a tree data structure in which each node has at most two children, referred to as the left child and the right child
Binary_tree
Protein-coding gene in the species Homo sapiens
respiratory tracts, spermatozoa flagellae, and nodal cilia (cilia of the primitive node). DNAI1 specifically encodes for an intermediate chain of the outer
DNAI1
Medical condition
and so rotate clockwise rather than beat; in the primitive node at the anterior end of the primitive streak in the embryo, these are angled posteriorly
Primary_ciliary_dyskinesia
String-searching algorithm
then there will be nodes for (bca), (bc), (b), and (). If a node is in the dictionary then it is a blue node. Otherwise it is a grey node. There is a black
Aho–Corasick_algorithm
differentiation of various avian body parts. Koller's sickle induces primitive streak and Hensen's node, which are major components of avian gastrulation. Avian gastrulation
Koller's_sickle
DNA sequence that binds activators to increase the likelihood of gene transcription
expression in the portion of the primitive streak that will differentiate into the node (also referred to as the primitive node). The PEE turns on Nodal expression
Enhancer_(genetics)
Group of genes
anterior/posterior axis formation and facilitates the regression of the primitive node. Hox genes area also critical for the proper orientation of the head
Cdx
Members of the TGF-beta superfamily of growth factors
responsible for gastrulation, left-right patterning and induction of the primitive node. As NODAL protein diffuse through an embryo, it triggers Nodal Signaling
Lefty_(protein)
Type of gradient noise in computer graphics
2n grid nodes. Therefore, at points close to the grid nodes, the output will approximate the dot product of the gradient vector of the node and the offset
Perlin_noise
Creating a complex 3D surface or object by combining primitive objects
objects, potentially generating visually complex objects by combining a few primitive ones. In 3D computer graphics and CAD, CSG is often used in procedural
Constructive_solid_geometry
Protein-coding gene in the species Homo sapiens
granulocyte bone marrow cell spleen lymph node Top expressed in otic vesicle hand Paneth cell ventricular zone primitive streak tail of embryo genital tubercle
PIF1_5'-to-3'_DNA_helicase
Portion of a nerve fiber
portion of a nerve fiber between two nodes of Ranvier. The neurilemma or primitive sheath is not interrupted at the nodes, but passes over them as a continuous
Internodal_segment
Integer side lengths of a right triangle
In other words, every primitive triple will be a "parent" to three additional primitive triples. Starting from the initial node with a = 3, b = 4, and
Pythagorean_triple
3D computer graphics program
node-based workflow. With MCG the user can create a new plug-in for 3ds Max in minutes by simply wiring together parameter nodes, computation nodes,
Autodesk_3ds_Max
Embryonic inner cell mass tissue that forms the yolk sac and, later, chorion
migration determines the cell movements that accompany the formation of the primitive streak, and helps to orient the embryo, and create bilateral symmetry
Hypoblast
Protein-coding gene in the species Homo sapiens
and ectoderm) are established. At the beginnings of gastrulation, the primitive node serves as the organizer and has motile cilia on its surface. These cilia
DNAH11
Identification of different areas of development in an early embryo
axis come from the primitive node. The other important site is the anterior visceral endoderm (AVE). The AVE lies anterior to the node's most anterior position
Regional_differentiation
Graphics structure
not empty): 5 Let node B be the extracted top node in V 6 if (Ray intersects B's bound): 7 if (node is a leaf): 8 Check all primitive objects in the bounded
Bounding_volume_hierarchy
Crystallographic system where the unit cell is in the shape of a cube
crystals and minerals. There are three main varieties of these crystals: Primitive cubic (abbreviated cP and alternatively called simple cubic) Body-centered
Cubic_crystal_system
Type of data structure
every "leaf" node is labelled with the cryptographic hash of a data block, and every node that is not a leaf (called a branch, inner node, or inode) is
Merkle_tree
Protein-coding gene in the species Homo sapiens
monocyte lymph node spleen Top expressed in retinal pigment epithelium epithelium of lens granulocyte Paneth cell neural layer of retina primitive streak left
POLG2
Sorting algorithm using the heap data structure
heap (a data structure where each node is greater than its children) and then repeatedly removes the largest node from that heap, placing it at the end
Heapsort
Natural number
× 23, Mertens function(920) returns 0, total number of nodes in all rooted trees with 8 nodes 921 = 3 × 307, number of enriched r-trees of size 7 922
900_(number)
Set of rules defining correctly structured programs
ES7". Retrieved 12 November 2015. Foundation, Node.js (30 May 2017). "Node v8.0.0 (Current) - Node.js". Node.js. "eval()". MDN Web Docs. Archived from the
JavaScript_syntax
Tree in which each node has at most three children
each node has at most three child nodes, usually distinguished as "left", “mid” and "right". Nodes with children are parent nodes, and child nodes may
Ternary_tree
Natural number
There are exactly: 888 trees with four unlabeled and three labeled nodes, 888 seven-node undirected graphs without isolated vertices, and 888 non-alternating
888_(number)
Concept in cryptography
Hash-based cryptography is the generic term for constructions of cryptographic primitives based on the security of hash functions. It is of interest as a type of
Hash-based_cryptography
In computing, restricting data to be accessible by one thread at a time
removal of a node that sits between two other nodes is performed by changing the next pointer of the previous node to point to the next node (in other words
Mutual_exclusion
Graph with multiple edges between two vertices
nodes. Edges with own identity: Edges are primitive entities just like nodes. When multiple edges connect two nodes, these are different edges. A multigraph
Multigraph
Clade of dinosaurs
a phylogenetic definition of the group. They defend Ornithothoraces as a node-based clade, the common ancestor of Iberomesornis romerali and modern birds
Ornithothoraces
Data organization and storage formats
Ternary heap D-ary heap Brodal queue In these data structures each tree node compares a bit slice of key values. Radix tree Suffix tree Suffix array Compressed
List_of_data_structures
Protein-coding gene in humans
MID1 is expressed in the primitive node where MID1 plays a pivotal role in establishing the molecular asymmetry at the node, which is crucial for the
MID1
Natural number
unlabeled) rooted trimmed trees with 28 nodes 1,096,671,326 : number of uniform rooted trees with 26 nodes 1,104,891,746 : number of partially ordered
1,000,000,000
Programming language written graphically by a user
design tools and development environments for creating user interfaces. Node graphs Frequently used in visual programming languages, game development
Visual_programming_language
Type of program in computer graphics
through the rendering pipeline. Shaders act on data such as vertices and primitives, generate or morph geometries and fragments, and calculate the colors
Shader
Homeobox transcription factor
a transcription factor that controls head and limb development. The primitive node will secrete the signaling molecules “Lefty” and “Cerebus” that then
Lim1_transcription_factor
Representation of electronic circuit components
consists of a list of the electronic components in a circuit and a list of the nodes they are connected to. A network (net) is a collection of two or more interconnected
Netlist
Rules governing the functioning of cryptocurrency
messages are proposed transactions, changes to be made in the ledger. Each node has a copy of the ledger's entire transaction history. If a transaction violates
Bitcoin_protocol
Protein-coding gene in humans
muscle mucosa of sigmoid colon body of pancreas lymph node endometrium appendix Top expressed in primitive streak genital tubercle epiblast embryo embryo tail
MKI67IP
Genus of ants
single waist node. The wings on the male ant are not stubby like a queen's; rather they are long and fully developed, exhibiting a primitive venational
Nothomyrmecia
Abstract data type in computer science
list. In addition, an atomic synchronization primitive, CAS, is used to make the skip list lock-free. The nodes of the skip list consists of a unique key
Priority_queue
Programming concept
containing code of the form Node* currentNode = this->head; // assume the load from "this->head" is atomic Node* nextNode = currentNode->next; // assume this
Hazard_pointer
Protein-coding gene in the species Homo sapiens
zone spleen lymph node mucosa of transverse colon appendix ganglionic eminence upper lobe of left lung Top expressed in primitive streak Paneth cell
DDX39
Natural number
900 = number of primitive polynomials of degree 34 over GF(2) 345,025,251 = 515 350,238,175 = number of reduced trees with 37 nodes 362,802,072 = number
100,000,000
Rapid histological sectioning procedure
margins. In a sentinel node procedure, a sentinel node containing tumor tissue prompts a further lymph node dissection, while a benign node will avoid such a
Frozen_section_procedure
Graph structure studied in group theory
with a node for each group element. For each primitive cycle, we then choose some element a that generates that cycle, and we connect the node for e to
Cycle_graph_(algebra)
node leads to an infinite ternary tree containing all possible Fibonacci Boxes, or equivalently, to a ternary tree containing all possible primitive triples
Formulas for generating Pythagorean triples
Formulas_for_generating_Pythagorean_triples
Numbers obtained by adding the two previous ones
triangle. The Fibonacci cube is an undirected graph with a Fibonacci number of nodes that has been proposed as a network topology for parallel computing. Fibonacci
Fibonacci_sequence
Erroneous AI-generated content
dinosaur tools and stated, "Some species of dinosaurs even developed primitive forms of art, such as engravings on stones". When prompted that "Scientists
Hallucination (artificial intelligence)
Hallucination_(artificial_intelligence)
Computer graphics simulation of deformable objects
as a set of point masses (nodes) connected by ideal weightless elastic springs obeying some variant of Hooke's law. The nodes may either derive from the
Soft-body_dynamics
Non-blocking data structure in computer science
an adjacent node: node B and node C respectively the delete of node C is undone by the delete of node B Valois make use of auxiliary nodes which contain
Non-blocking_linked_list
Fault in a computer system that presents different symptoms to different observers
is a node crash, detected by other nodes, Byzantine failures imply no restrictions on what errors can be created, which means that a failed node can generate
Byzantine_fault
Protein-coding gene in the species Homo sapiens
fossa Paneth cell hair follicle secondary oocyte submandibular gland primitive streak More reference expression data BioGPS n/a Gene ontology Molecular
PTPN2
Ordered arrangement of atoms, ions, or molecules in a crystalline material
unit cell along its principal axes. The translation vectors define the nodes of the Bravais lattice. The lengths of principal axes/edges, of the unit
Crystal_structure
Protein-coding gene in the species Homo sapiens
conjunctiva Top expressed in spermatocyte primitive streak lymph node otic placode mesenteric lymph nodes granulocyte tail of embryo genital tubercle
MORC3
Programming collective communication
is a collective communication primitive in parallel programming to distribute programming instructions or data to nodes in a cluster. It is the reverse
Broadcast_(parallel_pattern)
GPU microarchitecture by AMD released in 2020
performance by up to 40% using DirectX Raytracing. With RDNA 2 using the same 7 nm node as RDNA, AMD claims that RDNA 2 achieves a 30% frequency increase over its
RDNA_2
Clade containing most theropod dinosaurs
allosaurids that split from the Coelurosauria at the Neotetanurae/Avetheropoda node. Members of Megalosauroidea are believed to represent basal tetanurans, but
Tetanurae
Finite, ordered collection of items
equal-time access to any element (e.g. all residing in the fringe, and internal nodes storing the right-most child's index, used to guide the search), taking
List_(abstract_data_type)
Cavity in the hearts of chordates
terminalis. In most mammals, the sinus venosus also forms the sinoatrial node and the coronary sinus.[verification needed] In the embryo, the thin walls
Sinus_venosus
Muscle band in the right ventricle of the heart
Much of the conduction system develops from the primary ring of the primitive heart. As the heart is developing and the ventricular septum has not formed
Moderator_band
Protein-coding gene in humans
embryo ganglionic eminence mucosa of transverse colon appendix rectum lymph node gonad trabecular bone body of uterus Top expressed in somite epiblast mandibular
MCM3
Computational problem of graph theory
path problem is the problem of finding a path between two vertices (or nodes) in a graph such that the sum of the weights of its constituent edges is
Shortest_path_problem
of ST6GAL1 are found in mouse high endothelial cells of mesenteric lymph node and Peyer's patches, and it could be involved in the B cell homing to Peyer's
ST6GAL1
using Node.js' cluster module or child_process.fork method, web workers in the browser, etc. Prototype-based using Reactive Extensions (RxJS) in Node.js
Comparison of multi-paradigm programming languages
Comparison_of_multi-paradigm_programming_languages
2026 video game
QI encounters a preserved simulation of Sophie maintained by a local NoA node. She explains that Masefield Syndrome is caused by Proteavirus, a viral organism
Subnautica_2
Part of the human heart
hold into their corresponding ventricles. The atrioventricular node (AV node) is another node in the cardiac conduction system. This is located between the
Atrium_(heart)
level nodes) and leaf nodes that represent primitive actions such as variable assignments or the sending of commands to the external system. Node Types:
PLEXIL
Software system for finding relevant information on the Web
standard format. This formed the basis for W3Catalog, the web's first primitive search engine, released on September 2, 1993. In June 1993, Matthew Gray
Search_engine
limited to browsers; For example, the V8 engine is a core component of the Node.js runtime system. They are also called ECMAScript engines, after the official
List_of_JavaScript_engines
Concurrent data structure
is a scalable lock-free stack utilizing the fine-grained concurrency primitive compare-and-swap. It is believed that R. Kent Treiber was the first to
Treiber_stack
Event wherein the Sun is obscured by the Moon
to north of the ecliptic at its ascending node, and vice versa at its descending node. However, the nodes of the Moon's orbit are gradually moving in
Solar_eclipse
Area of the heart
the embryo with the primitive atrium. The superior border of the terminal sulcus designates the transverse plane in which the SA node resides. The inferior
Terminal_sulcus_(heart)
Networking API and protocol
environment. There are four node types. B-node: 0x01 Broadcast P-node: 0x02 Peer (WINS only) M-node: 0x04 Mixed (broadcast, then WINS) H-node: 0x08 Hybrid (WINS
NetBIOS
manner of symbols used from the earliest times to the Middle Ages by primitive peoples and early Christians. New York. ISBN 0-486-20162-7. {{cite book}}:
List_of_occult_symbols
Clade of dinosaurs
successful groups of herbivorous dinosaurs during the Cretaceous. The most primitive members of the group were bipedal and relatively small-sized, while advanced
Ornithopoda
Daughter of U.S. president John Adams
After removing the breast, he saw that the cancer had spread to the lymph nodes under Smith's arms, and he worked to remove those tumors as well. To stop
Abigail_Adams_Smith
Visual symbol expressing the Christian Trinity
links connecting the center node with the outer nodes are labelled is (Latin EST). The three links connecting the outer nodes to each other are labelled
Shield_of_the_Trinity
PRIMITIVE NODE
PRIMITIVE NODE
Girl/Female
American, Australian, Biblical, British, Chinese, Christian, Danish, English, Finnish, French, German, Gothic, Italian, Latin, Portuguese, Swedish
Ancient; Primitive; Venerable
Girl/Female
Danish, Finnish, French, German, Latin, Swedish
Ancient; Primitive; Venerable
Girl/Female
American, Australian, Chinese, Finnish, French, Latin, Portuguese, Swedish
Ancient; Primitive; Venerable
Boy/Male
Anglo Saxon
A British god.
Boy/Male
Arabic, Hindu, Indian, Muslim, Sindhi
Ancient; Antique; Old; Primitive; Without Any Beginning or End
Girl/Female
Hindu, Indian, Kashmiri
A Music ( a Node of Music )
Girl/Female
German, Latin
Archaic; Ancient; Old; Primitive
Surname or Lastname
English
English : probably for the most part a topographic name for someone who lived near the trunk or stump of a large tree, Middle English stocke (Old English stocc). In some cases the reference may be to a primitive foot-bridge over a stream consisting of a felled tree trunk. Some early examples without prepositions may point to a nickname for a stout, stocky man or a metonymic occupational name for a keeper of punishment stocks.German : from Middle German stoc ‘tree’, ‘tree stump’, hence a topographic name equivalent to 1, but sometimes also a nickname for an impolite or obstinate person.Jewish (Ashkenazic) : ornamental name from German Stock ‘stick’, ‘pole’.
PRIMITIVE NODE
PRIMITIVE NODE
Girl/Female
Hindu, Indian
Young Brain
Girl/Female
Tamil
Adrita | அதà¯à®°à®¿à®¤à®¾
Independent, Supportive, One who is loved by everyone
Boy/Male
African, American, Australian, British, Chinese, Christian, English, French, Irish, Latin
Fifth; Surname; Variant of Quentin Fifth; Dog of the Plain
Girl/Female
Hindu
Flower offering
Boy/Male
Indian, Punjabi, Sikh
Victory of Politeness
Boy/Male
Bengali, Hindu, Indian, Kashmiri, Marathi, Punjabi, Sikh, Telugu, Traditional
Sun; Beloved by All; Kind; Brave; Fierce Protector
Girl/Female
Indian, Telugu
All Coming Together
Boy/Male
American, Anglo, British, English
Red Haired Counselor; Man of Counsel; Man who Rides
Female
Greek
(Θυώνη) Greek name THYONE means "inspired frenzy." In mythology, this is the name Semele was called when her son Dionysos fetched her from Hades and brought her to Olympus.
Boy/Male
American, Arabic, French, German, Greek, Gujarati, Indian, Kannada, Muslim
Splendid; Defender of Mankind
PRIMITIVE NODE
PRIMITIVE NODE
PRIMITIVE NODE
PRIMITIVE NODE
PRIMITIVE NODE
n.
A privative prefix or suffix. See Privative, a., 3.
n.
An original form; primitive word; root.
n.
The primitive cell in certain embryonic forms.
a.
Being of the first production; primitive; original.
a.
Of or pertaining to the beginning or origin, or to early times; original; primordial; primeval; first; as, primitive innocence; the primitive church.
a.
Of or pertaining to a former time; old-fashioned; characterized by simplicity; as, a primitive style of dress.
a.
First in order of time; original; primeval; primitive; primary.
a.
Promotive of abstemiousness.
n.
The quality or state of being primitive; conformity to primitive style or practice.
n.
A term indicating the absence of any quality which might be naturally or rationally expected; -- called also privative term.
a.
Original; primary; radical; not derived; as, primitive verb in grammar.
a.
Implying privation or negation; giving a negative force to a word; as, alpha privative; privative particles; -- applied to such prefixes and suffixes as a- (Gr. /), un-, non-, -less.
n.
An original or primary word; a word not derived from another; -- opposed to derivative.
pl.
of Primitia
a.
Primitive; primary; original.
a.
Involving a limit; as, a limitive law, one designed to limit existing powers.
n.
The primitive perivisceral cavity.
n.
The primitive form of fin, like that of Ceratodus.
a.
Pristine; primitive.
pl.
of Primitia