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Example Sentences for "ascus "

Boudier considers that an amount of elasticity is certain, because he has seen an ascus arrive at maturity, eject its spores, and then make a sharp and considerable movement of retraction, then the ascus returned again, immediately towards its previous limits, always with a reduction in the number of its contained sporidia.

This operculum may be the more readily seen when the ascus is coloured by a drop of tincture of iodine.

Each ascus contains a definite number of sporidia, which are sometimes coloured.

The number of sporidia contained in an individual ascus is usually less than in the majority of the Ascomycetes, and the sporidia approximate more nearly to the globose form.

In the genera Torrubia and Hypocrea the structure differs somewhat from other groups, inasmuch as in the former the long thread-like sporidia break up into short joints, and in the latter the ascus contains sixteen subglobose or [133] subquadrate sporidia.

(a) An ascus, (b) an ascus discharging its spores, (c) the spores, (d) sterile cells.

In this species there are only two spores in each ascus or sac, and these are much larger than in the other species, which have eight spores[Pg 491] in a sac or ascus.

In the family Ascomycetes a minute ascus or spore case envelops the sporidia, and takes the place of the basidium, and the hymenium consists of (1) the asci containing the sporidia, (2) the paraphyses, and (3) a colorless or yellowish mucilage which envelops the paraphyses and asci.

6, the ascus or spore sack and paraphyses.

Sporidia of same inclosed in ascus with accompanying paraphyses.

A characteristic of this species which distinguishes it from others of the same genus is found in the number of its sporidia, spores as seen in the ascus or spore sack.

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