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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)
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
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
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)
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
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)
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
Genus of worms
Troncy, 1970 Neoechinorhynchus armenicus Mikailov, 1975 Neoechinorhynchus ascus Amin, Ha and Ha, 2011 Neoechinorhynchus australis Van Cleave, 1931 Neoechinorhynchus
Neoechinorhynchus
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 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
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
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
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
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
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
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
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
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
Genus of fungi
Annulatascus Annulatascus velatisporus ascus and apical ring Scientific classification Kingdom: Fungi Division: Ascomycota Class: Sordariomycetes Family:
Annulatascus
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
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
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
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
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
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
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
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
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
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
Genus of fungi
Didymella Bitunicate ascus and ascospores of Didymella rabiei Scientific classification Kingdom: Fungi Division: Ascomycota Class: Dothideomycetes Order:
Didymella
Plant fungal disease
Diagram of a perithecium. Each ascus contains eight ascospores, shown in green.
Raspberry_leaf_spot
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
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 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
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 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 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 fungus
ascospores which are produced internally in vacuoles called asci (sing. ascus), found in pouches known as ascomata (sing. ascoma). The asexual form of
Trichophyton_concentricum
Concept in evolutionary biology
reasons: Cells of opposite mating type are present together in the same ascus, the sac that contains the cells directly produced by a single meiosis,
Red_Queen_hypothesis
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
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
Topics referred to by the same term
may refer to: Advertising Standards Council of India Asci, the plural of ascus, in fungal anatomy Accelerated Strategic Computing Initiative American Society
ASCI
Species of Fungus
Paraphyses are absent and the hyaline ascospores are oblong-cylindrical, 8/ascus. Nectriopsis rubefaciens is found on crustose and foliose lichens in damp
Nectriopsis_rubefaciens
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
Genus of fungi
Sarcosomataceae, despite inconsistencies in the microscopic structure of the ascus, the saclike structure in which spores are formed. Phylogenetic analyses
Chorioactis
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
5 mm, rarely to about 0.6 mm wide) and contain 8 bacilliform spores per ascus that are typically 3-septate (about 13.2–17.0 × 3.2–3.6 μm) and visibly
Micarea_hyalinoxanthonica
Species of fungus
spores, typically 60–80 by 15–18 μm, and the presence of only two spores per ascus. Verpa bohemica is found in northern North America, Europe, and Asia. It
Verpa_bohemica
Species of lichen-forming fungus
coating). Each ascus contains eight ascospores. The ascospores are asymmetric, and are arranged straight or in a spiral within the ascus; they have 5–15
Haematomma_stevensiae
Topics referred to by the same term
flowering plant Monochaetia lutea, a fungus that forms its spores in a sac-like ascus Monopsis lutea, a herbaceous plant Mordellistena lutea, a tumbling flower
M._lutea
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 lichen
hymenium stands 80–100 μm high, and the paraphyses are unbranched. Each ascus contains eight ascospores that have between 5 and 9 septa (internal partitions)
Gyrotrema_papillatum
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
Species of lichen-forming fungus
Microscopy of a stained ascus containing 3-septate ascospores
Lecanactis_abietina
Species of fungus
spores within the sac-like ascus (pl. asci). The retention of the products of an individual meiosis in an individual ascus has facilitated certain kinds
Sordaria_fimicola
Species of lichen
colour or is bright olive, measuring approximately 40 μm in height. Each ascus of the Biatora type carries eight spores. These ascospores are non-septate
Biatora_pontica
Species of lichen
the much taller hymenium and the clear iodine staining reaction of the ascus tip. Chemically it belongs to the hypostictic acid series, containing hypostictic
Diorygma_intermedium
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
features filaments that profusely anastomose. There are eight ascospores per ascus, which are iodine-negative, 4–7-septate, and measure 19–26 by 5–7 μm. The
Polymeridium_multiforme
Species of lichen-forming fungus
contain lichexanthone, a secondary chemical. The ascospores number four per ascus, are muriform (divided in regular chambers), and measure 95–120 by 30–33 μm
Astrothelium_megeustomurale
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
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
Globular cysts eventually form that have a thicker wall. Within these ascus-like cysts, eight spores form, which are released through rupture of the
Pneumocystis_jirovecii
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
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
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
characterized by its spores pedicels that face upwards toward the apex of its ascus. Its spores are polar with both an apical and basal side. The A. ampullaceum
Anopodium_ampullaceum
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
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-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
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
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
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
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
oblong-fusiform, and 27–34-septate, typically 2–3 (sometimes 1 or 4) per ascus, measuring 120–215 × 20–27 μm, with a purple iodine staining reaction. The
Thelotrema_nostalgicum
Genus of lichens
related Bacidina by having wider 1-septate ascospores and a characteristic ascus apex structure. It can be distinguished from Megalaria by its different
Tamasia
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
Species of lichen
lacking a prothallus and a cortex. Its ascospores, which number eight per ascus, are oblong to spindle-shaped (fusiform) with between 11 and 15 septa and
Pseudochapsa_aptrootiana
Species of lichen
slightly convex. Their margin is smooth to finely scalloped. Each sac (ascus) contains eight ascospores. The ascospores measure 11–17 × 4–6 micrometres
Candelariella_medians
Species of lichen-forming fungus
cells (asci) are narrowly club-shaped and measure 45–55 by 6–10 μm. Each ascus produces eight colourless spores that are oval to egg-shaped and measure
Bryobilimbia_australis
Subclass of fungi
single layer. They may or may not contain a tholus (a structure in the ascus tip), and this tholus can sometimes react with iodine, making it appear
Ostropomycetidae
Genus of lichens
with potassium hydroxide solution, a diagnostic staining reaction. Each ascus contains eight ascospores that are colourless, single-celled and ellipsoid
Pseudotichia
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
Genus of lichens
paraphyses. The asci are semifissitunicate, meaning that the two walls of the ascus do not completely separate during the discharge of the ascospore. Asci,
Carbonicola_(lichen)
Subkingdom of fungi
of meiotic spores called ascospores enclosed in a special sac called an ascus. The genetic components for sexual reproduction appear to be produced by
Dikarya
Species of lichen
and covered with a thick granular pruina. Ascospores number eight per ascus; they have between 3 and 5 septa and measure 12–15 by 3–4 μm. Analysis of
Astrochapsa_sipmanii
Species of fungus
broadly club-shaped asci (15–20 × 12–15 μm) develop in a single layer; each ascus contains eight ascospores. The ascospores are initially oval but mature
Lichenostigma_cosmopolites
Family of fungi
Dothideaceae Dothidea puccinioides, stroma and bitunicate ascus Scientific classification Kingdom: Fungi Division: Ascomycota Class: Dothideomycetes Order:
Dothideaceae
Species of lichen
typically arranged in groups of 7 to 25. The ascospores number eight per ascus, are muriform (divided in regular chambers), and measure 90–125 by 25–30 μm
Astrothelium_rubrostiolatum
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
Species of lichen
thallus, and measure 0.2–0.4 mm wide. Its ascospores, which number eight per ascus, are hyaline and ellipsoid, do not have septa, and measure 11–14 by 4–5 μm
Ionaspis_aptrootii
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
Species of lichen-forming fungus
paraphyses are unbranched. The periphysoids are short and distinctly warty. Each ascus contains eight spores. The ascospores are hyaline and somewhat muriform
Carbacanthographis albolirellata
Carbacanthographis_albolirellata
ASCUS
ASCUS
ASCUS
ASCUS
Male
Italian
Italian form of Latin Florentius, FIORENZO means "blossoming."
Surname or Lastname
English
English : variant of Dyer.Dutch : reduced form of the French personal name Didier.South German : from Middle High German dier ‘wild animal’, ‘game’; probably a metonymic occupational name for a hunter, or a habitational name for someone living at a house distinguished by a sign depicting a deer.
Boy/Male
Hindu, Indian
First Rays of Sun
Girl/Female
Bengali, Hindu, Indian, Marathi, Tamil
Pure
Boy/Male
Indian
Rays
Male
Yiddish
Yiddish pet form of Hebrew Yowceph, YUSSEL means "(God) shall add (another son)."Â
Boy/Male
American, British, English
Mighty Spearman; Blend of Jar and Darell
Boy/Male
Hindu, Indian
A Complete Man
Girl/Female
Latin English
Feminine of Michael 'gift from God.
Boy/Male
Muslim
Truthful
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.