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Spore-bearing cell in ascomycete fungi
An ascus (from Ancient Greek ἀσκός (askós) 'skin bag, wineskin'; pl.: asci) is the sexual spore-bearing cell produced in ascomycete fungi. Each ascus usually
Ascus
Medical intervention
The Papanicolaou test (abbreviated as Pap test, also known as Pap smear (AE), cervical smear (BE), or smear test (BE)) is a method of cervical screening
Pap_test
Giant in Ancient Greek mythology
Ascus (Ancient Greek: Ἄσκος) was a giant from ancient Greek mythology, who in conjunction with Lycurgus of Thrace chained the god Dionysus and threw him
Ascus_(mythology)
Division or phylum of fungi
relationships with ascus-bearing taxa, anamorphic species have been grouped into the Ascomycota, despite the absence of the defining ascus. Sexual and asexual
Ascomycota
Spore-bearing tissue layer in fungi
such as the form of cystidia, the structure of paraphyses, and the type of ascus or basidium remain widely used in identification and taxonomy. In lichenised
Hymenium
Suborder of moss animals
The ascus is a diagnostic morphological feature of the bryozoan suborder Ascophora (hence the name of the suborder). It is a water-filled sac of frontal
Ascus_(bryozoa)
Spores produced in an ascus
per ascus. In 1816, Christian Gottfried Daniel Nees von Esenbeck redefined the botanical term theca to refer only to moss capsules and adopted ascus for
Ascospore
to the ascogonium, and growing a dikaryotic ascus containing both nuclei. Karyogamy then occurs in the ascus to form a diploid nucleus, followed by meiosis
Brachymeiosis
Institute, Dehra Dun. He is best known for his patented wood preservative, ASCU, from the chemical symbols for Arsenic and Copper. The treatment was patented
Sonti_Kamesam
Adjective describing a positive test result for starches
spore walls or hyphal walls, or the apical apparatus or entire ascus wall of an ascus, or be a macroscopic reaction on tissue where a drop of the reagent
Amyloid_(mycology)
Unit of reproduction adapted for dispersal and survival in unfavorable conditions
ascospores enabled by the structure of the ascus and accumulation of osmolytes in the fluids of the ascus that lead to explosive discharge of the ascospores
Spore
Genus of lichens in the family Rhizocarpaceae
algae. The genus has a distinct type of ascus, the Rhizocarpon-type, which is bitunicate with the inner ascus-wall being slightly apically thickened.
Rhizocarpon
Anatomic feature in ascomycete fungi
Basidiomycota. During initial ascus formation in Ascomycota fruitbodies, the crozier helps to maintain the dikaryotic state of both the ascus itself and of the side
Crozier_(mycology)
Topics referred to by the same term
theory Octad (computing), a group of 8 bits in computing Octad (biology), an ascus containing eight ascospores Heptad (disambiguation) ('group of 7') Ennead
Octad
Medical condition
expression of diagnostic uncertainty, and analogous to the diagnosis of ASCUS (atypical squamous cells of undetermined significance) on the Pap test.
Atypical small acinar proliferation
Atypical_small_acinar_proliferation
Species of fungus
known as the sac fungi, they are characterized by a saclike structure, the ascus, which contains anything from four to eight ascospores in the sexual stage
Xylaria_polymorpha
Genus of lichen-forming fungi
late 1970s to investigate ascus structure in several major groups of lichen-forming fungi. She defined the Lecanora-type ascus as one characterized by several
Lecanora
Genus of fungi
Annulatascus Annulatascus velatisporus ascus and apical ring Scientific classification Kingdom: Fungi Division: Ascomycota Class: Sordariomycetes Family:
Annulatascus
Organism belonging to kingdom Fungi
newly divided nuclei into the apical and basal hyphal compartments. An ascus (plural asci) is then formed, in which karyogamy (nuclear fusion) occurs
Fungus
Commune in Corsica, France
Asco (French pronunciation: [asko]; Corsican: Ascu, pronounced [ˈaːs.ku]) is a commune in the Haute-Corse department of France on the island of Corsica
Asco,_Haute-Corse
Species of fungus
cylindrical and arranged inside the flask-shaped perithecium. When each ascus becomes engorged with fluid it extends outside the perithecium and releases
Daldinia_concentrica
Combination of genetic material between compatible mating types
cell initiates ascus formation and is called an "ascus-initial" cell. Next the two uninucleate cells on either side of the first ascus-forming cell fuse
Mating_in_fungi
Spore-bearing fruiting body of a fungus
sac-like cells called asci, which typically contain eight spores in each ascus. The Discomycetes, which contain the cup, sponge, brain, and some club-like
Mushroom
Aritzia Inc. ATZ Arizona Metals Corp. AMC Arizona Sonoran Copper Company Inc. ASCU Artis Real Estate Investment Trust AX.DB.F Ascendant Resources Inc. ASND
Companies listed on the Toronto Stock Exchange (A)
Companies_listed_on_the_Toronto_Stock_Exchange_(A)
Species of fungi
Medullary excipulum composed of interwoven hyphae and small swollen cells. G. Ascus with the most common number of ascospores. H. Ascospore. Bars: A = 10 mm;
Tuber_cumberlandense
Genus of fungi
cylindrical asci with a J+ apical apparatus, ascospores uniseriate in the ascus, three cells, ellipsoid, and a pale dull brown color. The genus name of
Pestalosphaeria
Fungus also called the ruby elfcup
membrane, in S. coccinea the ascospores located in the basal parts of the ascus develop faster. The paraphyses (sterile filamentous hyphae present in the
Sarcoscypha_coccinea
Subdivision of fungi
reproduce by fission rather than budding. This subdivision includes almost all ascus fungi that have fruiting bodies visible to the naked eye, except for the
Pezizomycotina
Species of fungus
these ascospores while in the ascus as well as after they have discharged. Germination of spores has been observed in the ascus as well. These spores may
Taphrina_caerulescens
Genus of worms
Troncy, 1970 Neoechinorhynchus armenicus Mikailov, 1975 Neoechinorhynchus ascus Amin, Ha and Ha, 2011 Neoechinorhynchus australis Van Cleave, 1931 Neoechinorhynchus
Neoechinorhynchus
Species of fungus
Compendium of wheat diseases. American Phytopathological Society. pp. 124 pp.Ascus Index Fungorum USDA ARS Fungal Database Helminthosporium leaf blights: spot
Cochliobolus_sativus
Plant disease
white color is made of asci that break through the cuticle of the leaf. One ascus consists of eight ascospores that create conidia, which are ejected in early
Leaf_curl
Genus of lichen-forming fungi
Photograph of an ascus from A. spectabile taken through a compound microscope (x1000), showing a ballon-shaped ascus containing eight, hyaline, muriform
Arthothelium
Subdivision of fungi
constituting the Ascomycota (fungi that form their spores in a sac-like ascus) and is more or less synonymous with the slightly older invalid name Archiascomycetes
Taphrinomycotina
Genus of fungi
Didymella Bitunicate ascus and ascospores of Didymella rabiei Scientific classification Kingdom: Fungi Division: Ascomycota Class: Dothideomycetes Order:
Didymella
Species of lichen
smaller ascospores, larger apothecia, and a higher number of ascospores per ascus. It is only known to exist in a specific location in northeastern Thailand
Phlyctis_sirindhorniae
related: basidiolichen. ascospore A sexual, haploid spore produced in an ascus. ascus Plural asci. A sexual, fungal spore-bearing structure, typically sac-like
Glossary_of_lichen_terms
Genus of fungi
at the septum early in development into 16 part-ascospores so that the ascus appears to contain 16 ascospores. Ascospores are hyaline or green and typically
Trichoderma
Fungal parasite of bolete mushrooms
sexual; here the spores are spindle-shaped and measure 25–30 by 5–6 μm. Ascus and spores The related lobster mushroom, H. lactifluorum, is edible. Several
Hypomyces_chrysospermus
Single-species lichen genus
form (lacking a distinct thalline margin) and contain eight ascospores per ascus within a strongly amyloid layer of jelly. Microscopically, the asci are
Miltidea
Species of lichen-forming fungus
between seven and nine transverse septa, but of the eifht spores in the ascus, only about two have a longitudinal septum. Acanthothecis submuriformis
Acanthothecis_submuriformis
Genus of lichen
other related genera by its unusual ascospore structure and distinctive ascus features. The genus Burrowsia was erected in 2020 by Alan Fryday and Ian
Burrowsia
Species of lichen-forming fungus
parietina helped clarify the functional nature of this ascus and its distinction from other ascus types found in lichenized fungi. The etymology of the
Xanthoria_parietina
River in the department of Haute-Corse, Corsica
The Asco (French pronunciation: [asko]; Corsican: Ascu) is a small river in the department of Haute-Corse, Corsica, France. It is a tributary of the Golo
Asco_(river)
Species of flowering plant
114904 Open Tree of Life: 749456 PFI: 8402 Plant List: kew-2654713 PLANTS: ASCU POWO: urn:lsid:ipni.org:names:94213-1 RHS: 57813 SANBI: 2681-77 TaiCOL: t0052652
Asclepias_curassavica
Species of lichen-forming fungus
Gyalectina in an effort to denote its 12–16 spores per ascus in comparison to the ≤ 8 spores per ascus of Gyalecta, and research in 1982 posited that G. nana
Gyalecta_nana
Species of lichen
contains only a single ascospore per ascus. A morphologically similar species, Rhizocarpon geminatum, has two spores per ascus; it is more widely distributed
Rhizocarpon_disporum
Species of lichen
hymenium, and lower still a dark red-brown hypothecium. Each club-shaped ascus contains eight ascospores; the mature spores measure 20–33 μm by 9–17 μm
Rhizocarpon_alpicola
Genus of lichen-forming fungi
shape, and either straight or slightly curved. Each spore-producing cell (ascus) contains 6–8 spores and lacks the blue-staining dome at its tip (a tholus)
Chicitaea
Species of ascomycete fungus
cell initiates ascus formation and is called an "ascus-initial" cell. Next the two uninucleate cells on either side of the first ascus-forming cell fuse
Neurospora_crassa
Species of fungus
ascomycete or sac fungus, meaning that its microscopic structure utilizes the ascus, a spore-bearing cell, for sexual reproduction. It is a detritivore, and
Sarcosoma_globosum
Species of fungus
such as the ascus, the operculum, the suboperculum. The spore-bearing cells, the asci, are 330–400 μm long by 16–20 μm wide. The ascus has a thickened
Wynnea_americana
Genus of fungi
most ascomycetes, Gelasinospora species typically have 8 spores in each ascus. C.J. Alexopolous, Charles W. Mims, M. Blackwell, Introductory Mycology
Gelasinospora
Genus of fungi
and ellipsoidal, 3-septate (walled) ascospores (spores contained in an ascus) are ellipsoid to fusiform (spindle or rod-shaped), with brown central cells
Savoryella
Species of lichen-forming fungus
is inspersed (filled with many tiny droplets). Ascospores are eight per ascus, hyaline, 3-septate, and measure 15–32 × 9–12 μm; they are IKI−. In spot
Astrothelium_grossoides
Family of lichen-forming fungi
featuring a faint chitinoid (resembling chitin) ring-structure around the ascus apex. The hymenial gel is less conglutinate than in related families, which
Porinaceae
New Zealand evangelical Christian student movement
Student Christian Union (ASCU), which, was formed at a conference held at Ormond College, Melbourne University, on 6 June 1896. The ASCU covered both Australia
Tertiary Students Christian Fellowship
Tertiary_Students_Christian_Fellowship
Species of lichen-forming fungus
Microscopy of a stained ascus containing 3-septate ascospores
Lecanactis_abietina
Species of lichen
measuring 25–27.5 by 2.5–3.5 μm. They are arranged in two bundles in the ascus, and surrounded by a gelatinous sheath approximately 1.5 μm wide. Pycnidia
Porina_microtriseptata
Species of lichen
Pertusaria krabiensis are its uniseriate ascospores (which number 8 per ascus), and the presence of homologues of the lichen product 2-O-methylperlatolic
Pertusaria_krabiensis
Genus of fungi
Sarcosomataceae, despite inconsistencies in the microscopic structure of the ascus, the saclike structure in which spores are formed. Phylogenetic analyses
Chorioactis
All Latin and Greek roots beginning with A
ascites, ascitic, ascocarp, ascoma, ascomycete, Ascomycota, ascospore, ascus asin- donkey, ass Latin asinus asinine, ass, easel asper- rough Latin asper
List of Greek and Latin roots in English/A
List_of_Greek_and_Latin_roots_in_English/A
cells—cannot exclude HSIL ASCAD arteriosclerotic coronary artery disease ASCUS ASC-US atypical squamous cells of undetermined significance ASCVD arteriosclerotic
List of medical abbreviations: A
List_of_medical_abbreviations:_A
Genus of fungi
at the periphery), and rosette-like. It has, however, a unique different ascus structure, and it is genetically distinct from Protoparmeliopsis. The genus
Sedelnikovaea
Capital city of Syria
name Damaskós (Δαμασκός). According to one, it was named for the giant Ascus (Ἄσκος). Another says it was named after Damaskos, the son of Hermes and
Damascus
Species of lichen-forming fungus
distinguished by its unusually large ascospores, with each spore-bearing sac (ascus) containing only four spores instead of the typical eight found in most
Pyrenula_tetraspora
Species of lichen
is indistinct. Asci measure 50–65 × 10–15 μm. Ascospores number 6–8 per ascus, are colourless, ellipsoid, non-septate and halonate, 9–13 × 5–7 μm with
Malmidea_perplexa
Genus of fungi
Caliciopsis are generally small, with most species producing eight spores per ascus. They range from roughly spherical (globose) to ellipsoidal or narrowly
Caliciopsis
Genus of lichens
occultata var. populina, cubic spores B: R. ceranisca, oblong spores; ascus (red line) with only four mature spores visible but remnants of four aborted
Rostania
Czech mycologist (1878–1968)
solution/IKI versus Melzer's reagent: Hemiamyloidity, a universal feature of the ascus wall". Mycotaxon. 29: 399–450 – via Biodiversity Heritage Library. Leonard
Václav_Melzer
Species of lichen-forming fungus
measuring up to 2 mm in diameter. Ascospores number four to eight per ascus, and are narrowly fusiform (spindle-shaped) with between 11 and 23 transverse
Haematomma_staigeriae
Species of lichen-forming fungus
colourless, broadly ellipsoid ascospores arranged in a single row within each ascus; it also forms long, thread-like conidia in its asexual structures. Molecular
Aspiciliopsis_macrophthalma
Species of fungus
chemicals atranorin, pannarin, and arthothelin. Ascospores number eight per ascus, and are ellipsoid, measuring 8.5–11.0 by 5.0–6.5 μm. Lecanora neoqueenslandica
Lecanora_aberrata
Species of lichen-forming fungus
weakly developed Lecanora-type tholus (a thickened cap at the tip of the ascus) and usually contain eight simple, hyaline, broadly ellipsoid ascospores
Miriquidica_effigurata
Species of fungus
(ribbed) after bursting of the perithecium, a process known as dehiscence. The ascus tip possesses a thick, double-apical ring and lacks a sub-apical globulus
Cercophora_areolata
Species of lichen
a cortex, but with a black prothallus. Its ascospores number eight per ascus, and are hyaline, measuring 17–20 by 8 μm; they have from 4 to 6 transverse
Carbacanthographis acanthoparaphysata
Carbacanthographis_acanthoparaphysata
Species of lichen-forming fungus
closely resembles in overall appearance. The two are best separated by ascus spore number (eight in C. pacifica versus many in C. concolor), the absence
Candelaria_pacifica
Species of lichen
apical, and the hamathecium is inspersed. The ascospores number 6–8 per ascus, iodine-negative, somewhat muriform, and measure 18–20 by 6–7.5 μm. These
Polymeridium_submuriforme
Order of fungi
development of the ascoma, the presence of periphyses, and the type of ascus, alongside the absence or presence of cephalodia. Conversely, molecular
Pertusariales
Genus of fungi
Ascus of R. patagonica containing reticulate ascospores
Ruhlandiella
Sexes that reside in different individuals
cell initiates ascus formation and is called an "ascus-initial" cell. Next the two uninucleate cells on either side of the first ascus-forming cell fuse
Heterothallism
Genus of lichen-forming fungi
apothecium) Photograph of an ascus from A. caesiocinerea taken through a compound microscope (x1000) showing 8 spores per ascus. (Spores measure approximately
Aspicilia
Species of lichen
apical and usually surrounded by a ring. The ascospores number eight per ascus, are iodine-negative, have three septa, and measure 20–24 by 7–10 μm without
Polymeridium_tribulationis
Species of lichen
paraphyses with slightly swollen tips. Eight ellipsoid spores develop per ascus; each is divided by a single narrow septum, measuring 13–16 × 6–7 μm. No
Tassiloa_digitaurea
Species of lichen
Trypetheliaceae it is one of only two species known with one spore per ascus; the other, Astrothelium nicaraguense, has larger spores. The thallus of
Astrothelium_unisporum
Species of fungus
The asci are roughly cylindrical with a long stem-like base; the entire ascus is often as long as 300–325 μm and about 15 μm in diameter at the thickest
Pseudoplectania_nigrella
Genus of fungi
a hydrostatic pressure within the ascus which put pressure on the tip of the ascus, held in place by the rigid ascus wall. As the water level in the cup
Cookeina
Genus of lichen-forming fungi
swollen, and their external pigment stains blue in iodine solution (I+). Each ascus contains eight ascospores and displays a deeply blue-staining ring when
Parmeliella
Species of lichen
Asci are clavate with eight colourless, narrowly ellipsoid ascospores per ascus, 20–23 × 6–8 μm, lacking a distinct outer sheath (perispore). No pycnidia
Verrucaria_juglandis
Species of lichen
around the ostiole that is visible; and ascospores (numbering four per ascus) that lack a thick median septum. "Astrothelium guianense Aptroot". Catalogue
Astrothelium_guianense
Genus of lichen-forming fungi
hyaline (colourless and translucent) ascospores mature in each Graphis-type ascus. These spores become distinctly muriform—divided by numerous transverse
Stegobolus
Species of lichen-forming fungus
thick, which lacks a prothallus. The ascospores, which number 6 to 8 per ascus, are thick-walled, oblong with between 11 and 17 septa, and measure 45–70
Allographa_uruguayensis
Species of lichen
elliptical, measuring 55–100 by 12–17 (occasionally up to 20) μm. Each ascus contains spores arranged in one or two rows. These ascospores are narrowly
Constrictolumina_planorbis
Species of lichen
The hymenium (the spore-producing layer) is 100–120 μm in height. Each ascus (spore sac) contains eight ascospores arranged in a single row (uniseriate)
Phaeographis_tuberculifera
Species of lichen
patches and a unique reproductive feature of producing a single spore per ascus. The species was formally described based on a specimen collected from the
Rhizocarpon_smaragdulum
Genus of fungi
Gorodkowa medium. These ascospores are globose and located in asci. Each ascus contains 1–4 ascospores. Asci do not rupture at maturity. Ascospores are
Saccharomyces
Family of lichen-forming fungi
Rosmarie Honegger confirmed a unique type of ascus in Teloschistaceae, later named the Teloschistes-type. This ascus is distinguished by a special outer layer
Teloschistaceae
Species of lichen
is 75–100 μm high. Asci are 60–70 × 13–15 μm. Ascospores number 6–8 per ascus, are colourless, ellipsoid, non-septate and halonate, measuring 10–17 × 6–10 μm
Malmidea_coralliformis
Species of soil fungus
its short, rigid, spiny perithecial hairs, the very short stipe of the ascus, and its relatively small ascospores that are laterally compressed (flattened
Coniochaeta_tetraspora
Species of lichen-forming fungus
approximately 200 μm high and not inspersed. Ascospores are single per ascus, hyaline but soon becoming pale brown, ellipsoid, densely muriform, approximately
Allographa_hypostictica
ASCUS
ASCUS
ASCUS
ASCUS
Girl/Female
Bengali, Indian, Telugu
Winner
Boy/Male
Tamil
God of speech Lord Brahma
Boy/Male
Hindi
Nation.
Boy/Male
Irish
Red-haired.
Girl/Female
Latin
Mildness. The name Clementia was borne by the Roman goddess of mercy. Clementia and its variants...
Boy/Male
Hindu, Indian
Nose
Girl/Female
Tamil
Symbol of protection, Full Moon in the Sravan month
Boy/Male
Hindu
Victorious person
Surname or Lastname
English
English : variant spelling of Leavitt.Jewish (Ashkenazic) : variant spelling of Levit.
Surname or Lastname
English
English : variant of Herbert.
ASCUS
ASCUS
ASCUS
ASCUS
ASCUS
n.
A small membranous bladder or tube in which are inclosed the seedlike reproductive particles or sporules of lichens and certain fungi.
n.
One of the spores contained in the asci of lichens and fungi. [See Illust. of Ascus.]
n. pl.
See Ascus.