Question

What are the cylindrical structures contained in centrosomes called?

Answer 1

Centrioles:

1. It is a cylindrical structure located in the centrosome.
2. It is 0.15-0.25$\mu$in diameter and 0.3-0.5$\mu$in length.
3. It is formed of nine groups of triplet microtubules or fibers.
4. They do not divide but at the time of cell division, a new centriole is formed from pericentriolar satellites.
5. They form a spindle which plays an important role in cell division.
6. They give rise to basal bodies.
7. The distal centriole present in the spermatid forms the tail of the sperm.

Figure showing the structure of centriole: