Question
Explain the following terms:
  1. Labia majora.
  2. LH surge.
  3. Blastocyst.

Answer

  1. Two longitudinal folds of dssue called labia majora form the boundary of the vulva. It also covers two additional folds of tissue called the labia minora.
  2. Rapid secredon of LH leading to its maximum level during the mid-cycle is called LH surge' It induces rupture of Graafian follicle and thereby the release of ovum, i.e. ovulation.
  3. The trophoblast layer then gets attached to the endometrium and the inner cell mass differentiates inro the embryo. After attachment, the uterine cells divide rapidly and cover the blastocyst.

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