Question

Short / Long Answer question Type :
Write a note on the morphology of a human spermatozoon.

Answer 1

1. Head -

• Head of human sperm is derived from the nucleus.
  
• It contains mainly DNA.
  
• It is covered by a cap-like structure termed as an acrosome.
  

2. The Neck -

• The neck is narrow. It contains a funnel shaped basal body and a spherical centriole.
  
• Basal body is also called as the connecting piece because it helps to establish a union between the head and the remaining part of the spermatozoon.
  

3. Middle piece -

• It consists of the mitochondrial spiral, which provides the energy to the sperm to move ahead into the fallopian tube.
  

4. Tail -

• The tail is covered by a fibrous sheath.
  
• It is 55 µm in length.