Antheridium

Word ANTHERIDIUM
Character 11
Hyphenation an ther id i um
Pronunciations N/A

Definitions and meanings of "Antheridium"

What do we mean by antheridium?

A sperm-producing organ occurring in seedless plants, fungi, and algae. noun

In botany, the organ in cryptogamic plants which answers to the anther in the phanerogamic series. It assumes various forms and positions in the different groups. Also called antherid. noun

The male reproductive apparatus in the lower plants, consisting of a cell or other cavity in which spermatozoids are produced; -- called also spermary. noun

An organ producing male gametes called antherozoids, found in lower plants. noun

The male sex organ of spore-producing plants; produces antherozoids; equivalent to the anther in flowers noun

An organ producing male gametes called antherozoids, found in some algae, ferns, and bryophytes.

Synonyms and Antonyms for Antheridium

  • Synonyms for antheridium
  • Antheridium synonyms not found!!!
  • Antonyms for antheridium
  • Antheridium antonyms not found!

The word "antheridium" in example sentences

In Bryophytes, the antheridium is the male sex organ, which produces sperm.

It is called an "antheridium," and within are produced, by internal division, numerous excessively small spermatozoids. ❋ Douglas Houghton Campbell (N/A)

If a ripe antheridium is crushed in a drop of water, after lying a few minutes the spermatozoids will escape through small openings in the side of the cells. ❋ Douglas Houghton Campbell (N/A)

In the young antheridium (_A_, _an. _) the wall is single throughout, and the central cells few in number. ❋ Douglas Houghton Campbell (N/A)

Both as regards the structure of the plant itself, as well as the reproductive organs, especially the very complex antheridium, the ❋ Douglas Houghton Campbell (N/A)

These cells, especially the outer ones, develop a great amount of a red pigment, giving the antheridium its characteristic color. ❋ Douglas Houghton Campbell (N/A)

The male plant has no definite stem, and consists of a single concave leaf protecting the antheridium. ❋ Various (N/A)

In many species special zoöspores are formed, smaller than the ordinary ones, that attach themselves to the filaments bearing the female reproductive organ (oögonium), and grow into small plants bearing the male organ (antheridium), (Fig.  16, _B_). ❋ Douglas Houghton Campbell (N/A)

The other branch (antheridium) grows up in close contact with the archicarp, and like it is shut off by a partition from its filament. ❋ Douglas Houghton Campbell (N/A)

_B_, a small spore of _Pilularia_, with the ripe antheridium protruding, ❋ Douglas Houghton Campbell (N/A)

In both cases the prothallium is small, and often scarcely protrudes beyond the spore, and may be reduced to a single archegonium or antheridium (Fig.  71, _B_, _C_) with only one or two cells representing the vegetative cells of the prothallium (_v_). ❋ Douglas Houghton Campbell (N/A)

The young antheridium has an apical cell giving rise to two series of segments (Fig.  60, _A_), which in the earlier stages are very plainly marked. ❋ Douglas Houghton Campbell (N/A)

C. Longitudinal section of antheridium; st, stalk; w, wall. ❋ Various (N/A)

The oögonium is formed above, the antheridium below. ❋ Douglas Houghton Campbell (N/A)

The antheridium undergoes no further change, but the archicarp soon divides into two cells, -- a small basal one and a larger upper cell. ❋ Douglas Houghton Campbell (N/A)

Unlike the antheridium, the oögonia contain a great deal of chlorophyll, appearing deep green. ❋ Douglas Houghton Campbell (N/A)

_J_, a male prothallium, × 50. _an. _ an antheridium. ❋ Douglas Houghton Campbell (N/A)

When ripe, if brought into water, the antheridium bursts at the top into a number of irregular lobes that curl back and allow the mass of sperm cells to escape. ❋ Douglas Houghton Campbell (N/A)

Cross Reference for Antheridium

What does antheridium mean?

Best Free Book Reviews
Best IOS App Reviews
App Name Developer
Instagram App Reviews Instagram, Inc.
Microsoft Teams App Reviews Microsoft Corporation
Microsoft Copilot App Reviews Microsoft Corporation
CapCut - Video Editor App Reviews Bytedance Pte. Ltd
Threads, an Instagram app App Reviews Instagram, Inc.