Question

19. Mention the functions of following:
a) Corpus luteum
b) Endometrium
c) Tapetum​

Answer 1

Answer:

a) it secretes hormone progesterone which is essential for maintenance of ovary.

b) it has tge function to provide place for fertilization.

c) inner layer of microsporangium and provides nutrition to developing pollen grains.

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Answer 2

Answer:

THE FUNCTIONS ARE :-

Explanation:

(A)CORPUS LUTEUM-

A corpus luteum is formed in the ovary during ovulation. ... Following the release of the egg and subsequent fertilization, the follicle seals itself off and forms what is known as a corpus luteum. This mass of cells helps produce the hormone progesterone during early pregnancy.

(B)ENDOMETRIUM-

The endometrium is the innermost lining layer of the uterus, and functions to prevent adhesions between the opposed walls of the myometrium, thereby maintaining the patency of the uterine cavity. During pregnancy, the glands and blood vessels in the endometrium further increase in size and number.

(C)TAPETUM-

(Found in angiosperm plants)

The tapetum is a specialised layer of nutritive cells found within the anther, of flowering plants, where it is located between the sporangenous tissue and the anther wall. Tapetum is important for the nutrition and development of pollen grains, as well as a source of precursors for the pollen coat.

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