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As a result, the ascus will contain four pairs of spores. Then the ascospores are released from the ascus. In many cases the asci are formed in a regular layer, the hymenium, in a fruiting body which is visible to the naked eye, here called an ascocarp or ascoma. In other cases, such as single-celled yeasts, no such structures are found.
There are 2000 identified genera and 30,000 species of Ascomycota. The unifying characteristic among these diverse groups is the presence of a reproductive structure known as the ascus, though in some cases it has a reduced role in the life cycle. Many ascomycetes are of commercial importance.
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 into a river. The god Hermes (or, according to other tellings, Zeus ) rescued Dionysus, conquered (ἐδαμασεν) the giant, flayed him, and made a bag (ἄσκος) of his skin.
The generic name polyascus (poly "many" + ascus "bag") refers to the typical presence of multiple external sac-like female bodies, known as externae. In Polyascus species, these originate from asexual reproduction.
The non-returner, having overcome sensuality, does not return to the human world, or any unfortunate world lower than that, after death. Instead, non-returners are reborn in one of the five special worlds in Rūpadhātu called the Śuddhāvāsa worlds , or "Pure Abodes", and there attain Nirvāṇa ; Pāli: Nibbana; some of them are reborn a ...
Our right eye symbolizes the creative and emotional side of life. If a physical manifestation occurs on the right side of our body, there is likely an underlying theme attached to our intuition ...
Lucan, in his Pharsalia, which contains many Gigantomachy references, [154] makes the Gorgon's gaze turn the Giants into mountains. [155] Valerius Flaccus, in his Argonautica, makes frequent use of Gigantomachy imagery, with the Argo (the world's first ship) constituting a Gigantomachy-like offense against natural law, and example of hubristic ...
The perithecia have short pseudoparaphyses; [39] these vertical, filament-like support structures are similar to paraphyses but grow downwards in the perithecial cavity before ascus formation. [40] In two genera, Endocarpon and Staurothele , algal cells occur in the hamathecium. [ 39 ]