Explain the secretary phase - menstrual cycle, Biology

Assignment Help:

Explain the Secretary Phase - Menstrual Cycle

After ovulation, the lining of ovarian follicle is stimulated by LH to develop corpus luteum which produces progesterone. The endometrium becomes oedematous, watery mucous increases. This is believed to assist the passage of spermatozoa through the uterus to uterine tubes where the ovum is usually fertilized. The ovum fertilizes by 8 hours. The survival of the sperm is only for 24 hours. The date of ovulation however, cannot be predicted with certainty, even when the cycles are regular. If fertilization of ovum does not occur, cycle goes to a third phase - the menstrual phase.


Related Discussions:- Explain the secretary phase - menstrual cycle

Explain what is pulse, Explain what is pulse ? Examination of periphera...

Explain what is pulse ? Examination of peripheral pulses as a very important step in cardiovascular examination. A normal pulse has upstroke (anacrotic limb) followed by a down

What is inharmonious ecological interaction, Q. What is inharmonious ecolog...

Q. What is inharmonious ecological interaction? The Inharmonious or negative ecological interaction is that in which at least one of the participating beings is harmed.

Symptoms of serum sickness, Symptoms contain fever, weakness, rashes, with ...

Symptoms contain fever, weakness, rashes, with erythema and edema. Serum sickness depends on the immune difficult formed and the size of the complexes.

What is rigor mortis, Q. What is rigor mortis? Dead bodies are at first...

Q. What is rigor mortis? Dead bodies are at first limp. Many hours after death, skeletal muscles undergo a partial contraction that fixes the joints. This condition, called rig

Chordal sparing operation- mitral valve replacement, Chordal Sparing ...

Chordal Sparing Operation : For sparing both leaflets, an incision is made on the anterior leaflet close to the annulus and then extended centrally and the two segments,

What are the antigen-presenting cells of the immune system, What are the an...

What are the antigen-presenting cells of the immune system? The antigen-presenting cells of the immune system, also called as APC cells, are cells that do phagocytosis and dige

Determine the foos sources of cyanocobalamin, Determine the Foos Sources of...

Determine the Foos Sources of cyanocobalamin? Vitamin B I2 is unique among vitamins in the sense that it is mostly found in foods of animal origin but is not generally present

What are the male and the female gonads in humans, Q. What are gonads? What...

Q. What are gonads? What are the male and the female gonads in humans? Gonads are the organs that produce gametes they contain the germ cells that undergo division and generate

Explain nutritional properties of the eggs, Explain nutritional properties ...

Explain nutritional properties of the eggs Drying of eggs under normal conditions causes little loss of the nutritional properties of the eggs. Vitamin A, vitamin B, thiamine,

Explain aabout milk fats - edible fats, Milk Fats  Fats of this group a...

Milk Fats  Fats of this group are derived from the milk of ruminants, particularly cows and buffaloes. Although the major fatty acids of milk fat are palmitic, oleic and steari

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd