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Branch of biology studying prenatal development
Embryology (from Greek ἔμβρυον, embryon, 'the unborn, embryo'; and -λογία, -logia) is the branch of zoology that studies the prenatal development of gametes
Embryology
Part of the embryonic neural tube
braininfo.rprc.washington.edu. Sadler, TW (2010). Langman's medical embryology (11th. ed.). Lippincott William & Wilkins. p. 294. ISBN 9780781790697
Flexure_(embryology)
Feature of vertebrate embryos
at the Wayback Machine Swiss embryology (from UL, UB, and UF) rrespiratory/korperhohlen01 (Item #1 at Fig. 14) Embryology at Temple parch98/ARCHII97/sld017
Pharyngeal_pouch_(embryology)
Process in early embryonic development
350. ISBN 9780878932504. Schoenwolf, Gary C. (2015). Larsen's human embryology (Fifth ed.). Philadelphia, PA. pp. 35–37. ISBN 9781455706846.{{cite book}}:
Cavitation_(embryology)
UK regulatory body
The Human Fertilisation and Embryology Authority (HFEA) is an executive non-departmental public body of the Department of Health and Social Care in the
Human Fertilisation and Embryology Authority
Human_Fertilisation_and_Embryology_Authority
Abnormal organ development during embryonic growth
Dysgenesis is an abnormal organ development during embryonic growth and development. As opposed to agenesis, which refers to the complete failure of an
Dysgenesis_(embryology)
Structure in the embryo
Langman's medical embryology (11th ed.). Philadelphia: Lippincott William & Wilkins. p. 245. ISBN 9780781790697. Swiss embryology (from UL, UB, and UF)
Cloaca_(embryology)
First stage of pregnancy
PMID 29259417. Moore KL (2020). The developing human: clinically oriented embryology (Eleventh ed.). Edinburgh. pp. 35–42. ISBN 978-0-323-61154-1.{{cite book}}:
Implantation_(embryology)
Development and formation of the human embryo
external features and a more complete set of developing organs. Human embryology is the study of this development during the first eight weeks after fertilization
Human_embryonic_development
Optic cup (embryology) Transverse section of head of chick embryo of forty-eight hours’ incubation. (Margin of optic cup labeled at upper right.) Optic
Optic_cup_(embryology)
Canadian anatomist (1925–2019)
to lecture on anatomy and embryology at King Abdulaziz University. While he was there, Moore was approached by the Embryology Committee of King Abdulaziz
Keith_L._Moore
Act of the Parliament of the United Kingdom
Fertilisation and Embryology Act 1990 (c. 37) is an act of the Parliament of the United Kingdom. It created the Human Fertilisation and Embryology Authority which
Human Fertilisation and Embryology Act 1990
Human_Fertilisation_and_Embryology_Act_1990
Organ of hearing and balance
Chapter 38. "Development of the ear", 651–653. ISBN 978-0-443-06684-9. UNSW Embryology. Hearing-Inner Ear Development. Archived from the original on 30 September
Ear
Branch of embryology
Comparative embryology is the branch of embryology that compares and contrasts embryos of different species, showing how organisms are interrelated and
Comparative_embryology
1934 book by Joseph Needham
A History of Embryology is a 1934 book about the history of embryology by the British biochemist, Joseph Needham. In 1959, a revised edition was published
A_History_of_Embryology
Prenatal development of the heart
Williams & Wilkins. p. 165. ISBN 978-84-96921-46-7. Larsen W (2001). Human Embryology (3rd ed.). Elsevier Saunders. pp. 159–163. ISBN 978-0-443-06583-5. "Main
Heart_development
Organ system of the genitals and the urinary tract
The genitourinary system, or urogenital system, consists of the reproductive system and urinary system. These are grouped together in placental mammals
Genitourinary_system
Brain precursor structures
Brain vesicles are the bulge-like enlargements of the early development of the neural tube in vertebrates, which eventually give rise to the brain. Vesicle
Brain_vesicle
Scholarly research organisation
The European Society of Human Reproduction and Embryology (ESHRE) was founded in 1985 by Robert Edwards (University of Cambridge) and Jean Cohen (Paris)
European Society of Human Reproduction and Embryology
European_Society_of_Human_Reproduction_and_Embryology
Cellular mantle around egg cell
cell. Pansky, Ben (1982), "Chapter 12: Fertilization", Review of MEDICAL EMBRYOLOGY, LifeMap Discovery, archived from the original on August 8, 2018, retrieved
Corona_radiata_(embryology)
Topics referred to by the same term
Fertilisation and Embryology Act can refer to the following acts of the Parliament of the United Kingdom: Human Fertilisation and Embryology Act 1990 (c. 37)
Human Fertilisation and Embryology Act
Human_Fertilisation_and_Embryology_Act
Ukrainian-South African biologist (1905–1997)
experimental embryology, electron microscopy and developmental biology and the author of a popular textbook in embryology An Introduction to Embryology. Balinsky
Boris_Balinsky
American anatomist and pathologist (1862-1917)
pathologist known for his research and literature in the fields of anatomy and embryology. Mall was granted a fellowship for the Department of Pathology at the Johns
Franklin_P._Mall
Muscle band in the right ventricle of the heart
The moderator band (also known as septomarginal trabecula) is a structure located in the right ventricle of the heart. The moderator band consists of conductive
Moderator_band
Abnormally increased distance between two body parts, usually the eyes
Hypertelorism is an abnormally increased distance between two organs or bodily parts, usually referring to an increased distance between the orbits (eyes)
Hypertelorism
Idea that an animal's developmental stages resemble its evolutionary ancestors
known as the "Meckel-Serres Law". This attempted to link comparative embryology with a "pattern of unification" in the organic world. It was supported
Recapitulation_theory
Act of the Parliament of the United Kingdom
The Human Fertilisation and Embryology Act 2008 (c. 22) is an act of the Parliament of the United Kingdom. The Act constitutes a major review and update
Human Fertilisation and Embryology Act 2008
Human_Fertilisation_and_Embryology_Act_2008
Domesticated species of canid
Fertility. Supplement. 57: 169–179. PMID 11787146. "Dog Development – Embryology". Php.med.unsw.edu.au. 16 June 2013. Archived from the original on 2 December
Dog
Division of some animal and plant body plans into a series of segments
Segmentation in biology is the division of some animal and plant body plans into a linear series of repetitive segments that may or may not be interconnected
Segmentation_(biology)
Processes which grow and shape an organism's nervous tissue over its lifetime(s)
construction of the nervous system is one of the most complex processes in embryology. Development of the nervous system, or neural development (neurodevelopment)
Development of the nervous system
Development_of_the_nervous_system
Foundational theory of embryonic development (published 1828)
In developmental biology, von Baer's laws of embryology (or laws of development) are four rules proposed by Karl Ernst von Baer to explain the observed
Von_Baer's_laws_(embryology)
Structure during embryonic development
ISBN 978-0-07-163340-6. Truncus Arteriosus - Stanford Children's Health Embryology at UNSW Notes/heart3b Overview at mcgill.ca Description and diagram at
Truncus_arteriosus
Embryology concept
University of Malta. Retrieved 2007-10-13. Larsen, William J. (2001). Human embryology (3. ed.). Philadelphia, Pa.: Churchill Livingstone. pp. 53–86. ISBN 978-0-443-06583-5
Somite
William Shawcross. Previously she chaired the Human Fertilisation and Embryology Authority. She was created a Dame Commander of the Order of the British
Suzi_Leather
Mechanisms that form the reproductive system
1918 Gray's Anatomy "Differentiation of the urogenital sinus in males". Embryology.ch. Archived from the original on 2018-02-15. Retrieved 2016-01-19. "Embryo
Development of the reproductive system
Development_of_the_reproductive_system
Dutch embryologist (born 1951)
medicine in-vitro fertilization cryopreservation Scientific career Fields Embryology Workplaces University of Cambridge Cornell University Reprogenetics Althea
Jacques_Cohen_(embryologist)
Division of cells in the early embryo
In embryology, cleavage is the division of cells in the early development of the embryo, following fertilization but before amniogenesis. The zygotes of
Cleavage_(embryo)
Tissue type
Stratified columnar epithelium is a rare type of epithelial tissue composed of column-shaped cells arranged in multiple layers. It is found in the conjunctiva
Stratified columnar epithelium
Stratified_columnar_epithelium
Part of the embryonic brain
The metencephalon is the embryonic part of the hindbrain that differentiates into the pons and the cerebellum. It contains a portion of the fourth ventricle
Metencephalon
German neuroscientist (1836–1921)
Heinrich Wilhelm Gottfried von Waldeyer-Hartz (6 October 1836 – 23 January 1921) was a German anatomist, known for summarizing the neuron theory and for
Heinrich Wilhelm Gottfried von Waldeyer-Hartz
Heinrich_Wilhelm_Gottfried_von_Waldeyer-Hartz
Muscle between the duodenum and jejunum
The suspensory muscle of duodenum (also known as suspensory ligament of duodenum, Treitz's muscle or ligament of Treitz) is a thin muscle connecting the
Suspensory_muscle_of_duodenum
Organ in embryology
In embryology, the primordial phallus refers to the clitoris of a female, or the penis in the male, during embryonic development of the urinary and reproductive
Primordial_phallus
Mixed branch of the lumbar plexus
The genitofemoral nerve is a mixed branch of the lumbar plexus derived from anterior rami of lumbar nerves L1–L2. It splits into a genital branch and a
Genitofemoral_nerve
English philosopher of morality, education, and mind, and a writer (1924–2019)
inquiry whose report formed the basis of the Human Fertilisation and Embryology Act 1990. She served as Mistress of Girton College, Cambridge, from 1984
Mary Warnock, Baroness Warnock
Mary_Warnock,_Baroness_Warnock
Birth defect in which a tumor of fat grows on the spinal cord
Finn MA, Walker ML (August 2007). "Spinal lipomas: clinical spectrum, embryology, and treatment". Neurosurgical Focus. 23 (2) E10. doi:10.3171/FOC-07/08/E10
Lipomeningomyelocele
Medical condition
A vaginal septum is a vaginal anomaly that is partition within the vagina; such a septum could be either longitudinal or transverse. In some affected women
Vaginal_septum
Czech medical doctor and university professor
medical doctor and university professor, specializing in histology and embryology. From February 2022 to January 2026, she served as the Rector of Charles
Milena_Králíčková
Ancient Greek philosopher and polymath (384–322 BC)
Winkler, A Book of Beetles, p. 12 "the father of embryology": D. R. Khanna, Text Book Of Embryology, p. 2 "the father of natural law": Shellens, Max Solomon
Aristotle
Act of the Parliament of the United Kingdom
The Human Fertilisation and Embryology (Deceased Fathers) Act 2003 (c. 24) is an act of the Parliament of the United Kingdom Diane Blood's husband, Steven
Human Fertilisation and Embryology (Deceased Fathers) Act 2003
Human_Fertilisation_and_Embryology_(Deceased_Fathers)_Act_2003
Relationship between Islam and science
In 1983, an authority on embryology, Keith L. Moore, had a special edition published of his widely used textbook on embryology (The Developing Human: Clinically
Islamic attitudes towards science
Islamic_attitudes_towards_science
Topics referred to by the same term
Look up vitelline in Wiktionary, the free dictionary. Vitelline may refer to: Vitelline arteries, arteries that bring blood to the yolk sac Vitelline circulation
Vitelline
Group of tissues
describes the muscles served by a spinal nerve root, is also used in embryology to describe that part of the somite which develops into the muscles. In
Myotome
Interstitial cells found in the gastrointestinal tract
Interstitial cells of Cajal (ICC) are interstitial cells embedded in the muscularis propria (muscular layer) of the gastrointestinal tract. There are different
Interstitial_cell_of_Cajal
German physiologist and embryologist (1733–1794)
embryologist who is widely regarded as one of the pioneers of modern embryology. Wolff was born in Berlin, Brandenburg. In 1759 he graduated as an M.D
Caspar_Friedrich_Wolff
Physical substance of the human organism
study of the human body includes anatomy, physiology, histology, and embryology. The body varies anatomically in known ways. Physiology focuses on the
Human_body
Folds of skin that contain and protect the vulva's other parts
In primates, and specifically in humans, the labia majora (sing.: labium majus), also known as the outer lips or outer labia, are two prominent longitudinal
Labia_majora
Ectoderm that goes on to form the neural plate
Neural plate Neuroectodermal neoplasm Neuroepithelial cell Larsen's Human Embryology (Fifth ed.). Elsevier. 2015. p. 77. ISBN 978-1-4557-0684-6. This article
Neuroectoderm
Embryonic structure of the reproductive system
of Female External Genitalia", at mcgill.ca Diagram at mhhe.com Swiss embryology (from UL, UB, and UF) ugenital/genitexterne01 MedEd at Loyola urology/nlpendv
Labioscrotal_swelling
Baltic German scientist (1792–1876)
meteorologist, geographer, and is considered a, or the, founding father of embryology. He was a member of the Russian Academy of Sciences, a co-founder of the
Karl_Ernst_von_Baer
Scientific study of the morphology of the human body
its facets human anatomy is closely related to embryology, comparative anatomy and comparative embryology, through common roots in evolution; for example
Human_anatomy
Species of fish
(1913). "Notes on the Habits, Morphology of the Reproductive Organs, and Embryology of the Viviparous Fish Gambusia affinis". Bulletin of the United States
Mosquitofish
American embryologist and historian
Fundulus heteroclitus, and she made significant contributions to teleost embryology. She was particularly interested in questions of inductions, differentiation
Jane_M._Oppenheimer
Comparison of organism developmental processes
processes evolved. The field grew from 19th-century beginnings, where embryology faced a mystery: zoologists did not know how embryonic development was
Evolutionary developmental biology
Evolutionary_developmental_biology
English lawyer (born 1945)
Between 2002 and 2008 he was a member of the Human Fertilisation and Embryology Authority, serving as its Interim Chair 2007–2008. He was born into a
Walter_Merricks
Conjoined twins fused at the pelvis
1002/tera.1420450604. PMID 1412053. Schoenwolf, Gary (2009). Larsen's Human Embryology. Elsevier Churchill Livingstone. pp. 179–182. ISBN 9780443068119. Khan
Ischiopagi
Scientific study of animals
is the scientific study of animals. Its studies include the structure, embryology, classification, habits, and distribution of all animals, both living
Zoology
British reproductive scientist
founder and Editor in Chief of the International peer review journal of embryology, Zygote, published by Cambridge University Press and was visiting professor
Brian_Dale
Academic journal
Biology and Medicine over the last 100 years. Originally called Journal of Embryology and Experimental Morphology (ISSN 0022-0752) and established in 1953,
Development_(journal)
Single layer of endothelial cells on the surface of the cornea
The corneal endothelium is a single layer of endothelial cells on the inner surface of the cornea. It faces the chamber formed between the cornea and the
Corneal_endothelium
Embryonic structure
Bruno (2022-04-21). "Embryology, Umbilical Cord". StatPearls. PMID 32491422. Sadler, T. W. (2010). Langman's medical embryology (11th ed.). Philadelphia:
Connecting_stalk
Mechanisms that form the digestive system in the human embryo
falciform ligament, extending from the liver to the ventral body wall. Embryology Sadler TW, Sadler-Redmond SL (2012). LANGMAN Embriología médica. Vol. I
Development of the human digestive system
Development_of_the_human_digestive_system
German biologist and philosopher
from Bad Kreuznach. He is most noted for his early experimental work in embryology and for his neo-vitalist philosophy of entelechy. He has also been credited
Hans_Driesch
Human male external reproductive organ
Persaud, Mark G. Torchia, The Developing Human: Clinically Oriented Embryology 10th Ed. Elsevier Health Sciences, 2015 ISBN 9780323313483, pp 267-69
Human_penis
Academic journal
für Anatomie und Entwicklungsgeschichte in 1921 and then Anatomy and Embryology in 1974, before obtaining its current name in 2007. It is published by
Brain_Structure_and_Function
System describing embryonic development
In embryology, Carnegie stages are a standardized system of 23 stages used to provide a unified developmental chronology of the vertebrate embryo. The
Carnegie_stages
German writer and polymath (1749–1832)
(1999). "A re-evaluation of the premaxillary bone in humans". Anatomy and Embryology. 207 (6): 417–437. doi:10.1007/s00429-003-0366-x. PMID 14760532. S2CID 13069026
Johann_Wolfgang_von_Goethe
Academic journal
of Anatomy and Embryology (sometimes abbreviated as the IJAE) is a quarterly peer-reviewed academic journal of anatomy and embryology. It was established
Italian Journal of Anatomy and Embryology
Italian_Journal_of_Anatomy_and_Embryology
Specialized calcified substance covering the root of a tooth
Dental Embryology, Histology, and Anatomy, 6th edition. Elsevier, page 191. Fehrenbach, MJ and Popowics, T. (2026) Illustrated Dental Embryology, Histology
Cementum
Field of science that uses cells for the creation of products
biological sciences (e.g., molecular biology, biochemistry, cell biology, embryology, genetics, microbiology) and conversely provides methods to support and
Biotechnology
Anatomical structure that connects the swim bladder to the auditory system in fishes
compress, forming one of the major structures of the apparatus. Study of the embryology of the Weberian apparatus has since been conducted on various other ostariophysan
Weberian_apparatus
Biological kingdom
William James; Boyd, James Dixon; Mossman, Harland Winfield (1945). Human embryology: (prenatal development of form and function). Williams & Wilkins. p. 330
Animal
Anatomy method to describe locations
of the body. However, the situation is more complex, since comparative embryology shows that the length axis of the neural tube (the primordium of the brain)
Anatomical_plane
Standard terms for unambiguous description of relative placement of body parts
Anatomical planes are useful in a number of fields including medical imaging, embryology, and the study of movement. The three main plane orientations are: The
Anatomical_terms_of_location
Diploid eukaryotic cell formed by fertilization between two gametes
cell theory, embryology, and cytogenetics". muse.jhu.edu. Retrieved 2026-04-17. Khan, Yusuf S.; Ackerman, Kristin M. (2025), "Embryology, Week 1", StatPearls
Zygote
Academic journal
an official journal of the European Society of Human Reproduction and Embryology. It was established in 1986 with Robert Edwards as founding editor-in-chief
Human_Reproduction_(journal)
French scientist and politician (1942–2024)
2024) was a French scientist and politician. A professor of histology, embryology, and cytogenetics, he was the fourth president of the European Patent
Alain_Pompidou
Act of the Parliament of the United Kingdom
1967 were introduced in Parliament through the Human Fertilisation and Embryology Act 1990. The time limits were lowered from 28 to 24 weeks for most cases
Abortion_Act_1967
Malformation of the central digit(s) of the hand or foot
Ectrodactyly, split hand, or cleft hand (from Ancient Greek ἔκτρωμα (éktroma) 'miscarriage' and δάκτυλος (dáktulos) 'finger') involves the deficiency or
Ectrodactyly
British academic, lawyer, bioethicist and politician (born 1943)
bioethicist and politician, most noted for chairing the Human Fertilisation and Embryology Authority (HFEA), from 1994 to 2002, and as the former Principal of St
Ruth_Deech,_Baroness_Deech
Act of the Parliament of the United Kingdom
Human Fertilisation and Embryology (Research Purposes) Regulations 2001 (SI 2001/188) to amend the Human Fertilisation and Embryology Act 1990 by extending
Human Reproductive Cloning Act 2001
Human_Reproductive_Cloning_Act_2001
Embryonic precursor structures in vertebrates
Inderbir Sing, G.P Pal-Human Embryology McMinn, R., 1994. Last's anatomy: Regional and applied (9th ed). Sudhir, Sant, 2008.Embryology for Medical Students 2nd
Pharyngeal_arch
Neuromeres are distinct groups of neural crest cells, forming segments in the neural tube of the early embryonic development of the brain. There are three
Neuromere
Dutch/American paleontologist
Scientific career Fields Paleontology, evolutionary biology, anatomy, embryology, Sensory ecology Workplaces Northeast Ohio Medical University, Kent State
Hans_Thewissen
American science writer
interpretations from Adelmann) was entitled Marcello Malpighi and the Evolution of Embryology. The book was hailed for its unprecedented scholarship and thoroughness
Howard_B._Adelmann
Body of tissue present in the development of the reproductive system
differentiation Netter, Frank H.; Cochard, Larry R. (2002). Netter's Atlas of human embryology. Teterboro, N.J: Icon Learning Systems. p. 159. ISBN 0-914168-99-1. Skinner
Genital_tubercle
Study of patterns and natural variation in life
multiple perspectives about the organisms. Comparative embryology is the branch of embryology that compares and contrasts embryos of different species
Comparative_biology
Medical condition
Pulmonary artery sling (PAS) is a rare congenital vascular anomaly where the left pulmonary artery (LPA) originates abnormally from the right pulmonary
Pulmonary_artery_sling
and Embryology Act 2008 : Department of Health". Department of Health (United Kingdom). 1 September 2009. Retrieved 11 December 2009. "Embryology Bill:
Cytoplasmic_hybrid
American cell biologist (1881–1970)
importance of cellular behavior. As a result, this couple's greatest impact on embryology and cell biology in the twentieth century was teaching later generations
Margaret_Reed_Lewis
human: clinically oriented embryology (Eleventh ed.). Edinburgh New York: Elsevier. p. 131. ISBN 9780323611541. http://www.embryology.ch/anglais/hdisqueembry/triderm09
Intraembryonic_coelom
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