What is oogonium and antheridium?

In plant reproductive system: The cellular basis. …the male gametangia are called antheridia and the female oogonia or archegonia. A female gametangium with a sterile cellular jacket is called an archegonium, although, like an oogonium, it produces eggs.

What is meant by antheridium and archegonium?

Hint: Antheridia is the male sex organ, and is a haploid structure whose function is to produce male gametes called antherozoids or sperms. Archegonia is the female sex organ, which produces female gametes mainly in cryptogams. It is responsible for the production of female gametes that are egg cells or ova.

What is the difference between gametangia archegonia and antheridia?

Gametangia are two types mainly; female gametangia and male gametangia. Female gametangia are known as archegonia or oogonia mostly in algae and fungi and primitive plants including gymnosperms. Male gametangia are referred as antheridia. Antheridia produce sperms and release to outside for syngamy.

Does an antheridium produce a gamete?

In differentiated gametangia, the male gamete (sperm) is produced in the antheridium, while the female gamete (egg) is formed in the oogonium.

What is the difference between an antheridium and an archegonia?

The male gametes produced in an antheridium are usually motile. 1. They are female organs of bryophytes, pteridophytes and gymnosperms. 2. Archegonia are usually flask-shaped in outline. 3. Sterile cells occur in the interior of archegonia. 4. An archegonium encloses a single female gamete. 5.

How is the venter related to the archegonium?

The venter is the location where the female gamete or egg will be produced and developed. Leading up from the venter is the neck of the archegonium. The archegonium has to mature before the neck is ready to do its function. The neck starts out being full of cells, making it a solid structure.

Where are the archegonia located in a plant?

Archegonia are multicellular haploid structures, and they are located in the female reproductive organ known as gynoecium. They are seen in gametophytic phases of those plants. Archegonia are composed of the long neck like canals with swollen bases. Their shape can be described as flask-like structures.

When does the antheridium combine with the ascogonium?

The antheridium and the ascogonium combine in plasmogamy at the time of fertilization, followed by nuclei fusion in the asci. In the ascocarp, a fruiting body, thousands of asci undergo meiosis to generate haploid ascospores ready to be released to the world.