Definition of Antheridium. Meaning of Antheridium. Synonyms of Antheridium

Here you will find one or more explanations in English for the word Antheridium. Also in the bottom left of the page several parts of wikipedia pages related to the word Antheridium and, of course, Antheridium synonyms and on the right images related to the word Antheridium.

Definition of Antheridium

Antheridium
Antheridium An`ther*id"i*um, n.; pl. Antheridia. [Anther + ? (a Gr. diminutive ending).] (Bot.) The male reproductive apparatus in the lower, consisting of a cell or other cavity in which spermatozoids are produced; -- called also spermary. -- An`ther*id"i*al, a.

Meaning of Antheridium from wikipedia

- An antheridium is a haploid structure or organ producing and containing male gametes (called antherozoids or sperm). The plural form is antheridia, and...
- formed above the antheridium. They are sufficiently large to be easily seen with the naked eye, especially the bright orange or red antheridium. Many species...
- the leaves, its reproductive structure (archegonium in female plants, antheridium in male plants), and the calyptra (a thin tissue that forms from the...
- the oomycete antheridium is a syncytium with many sperm nuclei and fertilization occurs via fertilization tubes growing from the antheridium and making...
- oogonia, either by the oogonium p****ing through the antheridium (amphigyny) or by the antheridium attaching to the proximal (lower) half of the oogonium...
- the ovum or female gamete. The corresponding male organ is called the antheridium. The archegonium has a long neck canal or venter and a swollen base....
- clearly distinguishable midrib. At the apex of the main plant axis, the antheridium is borne. This is the male part of the shoot. A lateral branch from the...
- spores are formed by mitosis in an organ of the gametophyte known as the antheridium and the egg cells by mitosis in a flask-shaped organ called the archegonium...
- somewhat spherical antheridium within the microspore wall. Either 128 or 256 sperm cells with flagella are produced in each antheridium. The only heterosporous...
- Cataphyll Petiole Sessility Stem Reproductive (incl. Flower) Archegonium Antheridium Androecium Pollen Stamen Staminode Tapetum Flower Aestivation Flower...