1.

Name the functions of the following.(a) Corpus luteum(b) Endometrium(c) Acrosome(d) Sperm tail(e) Fimbriae

Answer»

(a) Corpus luteum :

Secretion of mainly progesterone and small quantity of estrogen. Some androgens are also formed by theca cells.

(b) Endometrium :

Nourishment and implantation of blastoeyst and later foetus if fertilization has occurred. Otherwise cyclic changes of growth and degeneration.

(c) Acrosome :

Contains sperm lysin for separating cells of corona radiata and piercing through zona pellucida.

(d) Sperm Tail:

Vibratile part that helps in swimming of sperm in the genital tract of female for reaching the ovum. 

(e) Fimbriae :

The finger like projection occurs at the edges of in fundibulum which helps in the collection of ovum after ovulation.



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