Question
What do you understand by sertoli cells? What is their functions?

Answer

Sertoli Cells : These cells are also called supporting or nurse cells. These cells are columnar shaped, elongated less in number and bigger in size. These cells have many spermatids to be clumped at their free end.
Functions :
1. These cells provide protection, support and nutrition to developing spermatids.
2. These cells degenerate the useless cytoplasm of spermatids.
3. These cells also secrete inhibin hormone to regulate the activities of FSH for spermatogenesis

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

  1. State how the constant internal environment is beneficial to organisms
  2. Explain any two alternatives by which organisms can overcome stressful external conditions.
State Hardy-Weinberg Principle and give the algebraic equation for the distribution of genotypes.
Describe the formation of recombinant DNA by the action of EcoRI.
Name the categories of organisms used as biofertilisers with an example for each. How do they function in organic farming?
Apart from plants and animals, microbes form a permanent biotic component in an ecosystem. While plants have been referred to as autotrophs and animals as heterotrophs, what are microbes referred to as? How do the microbes fulfil their energy requirements?
What data support that the evolutionary history of man is like that of any other organism?
Study a part of the life cycle of malarial parasite given below. Answer the questions that follow:
  1. Mention the roles of 'A' in the life cycle of the malarial parasite.
  2. Name the event 'C' and the organ where this event occurs.
  3. Identify the organ 'B' and name the cells being released from it.
Discuss briefly how pure lines are created in animal husbandry.
A dihybrid heterozygous round, yellow seeded garden pea was crossed with a double recessive plant.
  1. What type of cross is this?
  2. Work out the genotype and phenotype of the progeny.
  3. What principle of Mendel is illustrated through the result of this cross?
Amniocentesis for sex determination is banned in our country. Is this ban necessary? Comment