Advertisements
Advertisements
Question
Briefly describe the secretory phase of the menstrual cycle.
Advertisements
Solution
Secretory phase begins after ovulation. Corpus luteum the remnants of graafian follicle under influence of LH secretes hormones namely progestrone and estrogen. Both LH and progestrone help in further growth and thickening of endometrium and its gland become secretory endometriums fully ready for the attachment and nourishment of blastocyst. In case high presence of progestrone reduce the level of LH and FSH which result in reduced synthesis of progestrone. Endometrium breakdown and moves out in the form of mucus and blood. Corpus luteum degenerate into white body called corpus albicans.
APPEARS IN
RELATED QUESTIONS
Explain the menstrual phase in a human female. State the levels of ovarian and pituitary hormones during this phase.
Choose the correct answer from the four options given below :
On which day of the menstrual cycle does ovulation take place ?
Name the Following
The term used when females stop menstruation at the age of 45-50 years.
Identify the phase of the menstrual cycle during which there is a peak in the level of progesterone.
Exit from the cell cycle and remain dormant for long time by a cell is represented by one of the following phases of the cell cycle:
Which of the following events is not associated with ovulation in human females?
The growth of corpus luteum is initiated by:
Why are menstrual cycles absent during pregnancy?
Name the following:
Two layers of the wall of uterus.
Complete the following table by writing the name of the structure or the function of the given structure:
| Structure | Function | ||
| 1. | Corpus luteum | 1. | ______ |
| 2. | ______ | 2. | Produces male gametes in mass |
| 3. | Leydig cells | 3. | ______ |
| 4. | ______ | 4. | Stores the sperms until they mature and become mobile |
| 5. | Umbilical cord | 5. | ______ |
| 6. | Fallopian tube | 6. | ______ |
