Female reproductive system - ovaries, Biology

Assignment Help:

OVARIES -

  1. 2 in number (didelphic). White / pinkish. Almond like. 3 cm long, 2 cm wide, 1 cm thick.
  2. Lie in the lower part of abdomen attached to dorsal wall by mesovarium.
  3. Attached to uterus by ovarian ligament.
  4. In wall of ovary visceral peritonium, germinal epithelium, & tunica albuginea present.
  5. Germinal epithelium is made up of P.G.C.
  6. Ground part of ovary is stroma differntiated in to outer cortex & inner medulla. Mesodermal in origin.
  7. P.G.C. of germinal epithelium is endodermal in origin.
  8. First of all from P.G.C. follicle cells are formed. Fuse to form egg nest.
  9. One is developing ovum, rest cells are destroyed to give nourishment to developing ovum.
  10. Destroyed cells are atratic cells. This phenomenon is atrasia.
  11. First it is single layered termed as primary follicle. Soon it becomes double layered i.e. secondary follicle.
  12. It is soon converted into graffian follicles or mature follicle. It's formation is folliculogenesis under control of FSH & LH.

692_ovary.png


Related Discussions:- Female reproductive system - ovaries

Agro industrial-iron, Iron Iron is an essential component of the prote...

Iron Iron is an essential component of the proteins involved in oxygen transport or utilization. These proteins, including hemoglobin, myoglobin and a number of cytochrome and

Anaphase of karyokinesis, There is no splitting of the centromere. The ...

There is no splitting of the centromere. The kinetochore fibers contract and the spindle or pole fibers elongate , As a result homologous chromosomes of each pair rather than

Comparison with amphibian gastrulation, Comparison with Amphibian Gastrulat...

Comparison with Amphibian Gastrulation On comparison of chick gastrulation along with amphibian gastrulation you will find many similarities along with significant difference

Zoonoses disease-plague, Plague Plague is an acute and highly fatal di...

Plague Plague is an acute and highly fatal disease caused by Yersinia pestis and transmitted by the bite of infected rat fleas. It is primarily a disease of rodents and small

How are the sensory receptors classified, Q. According to the stimuli they ...

Q. According to the stimuli they collect how are the sensory receptors classified? The sensory receptors are classified according to the stimuli they get: mechanoreceptors are

Properties of pyridoxine, Properties of pyridoxine a)  It forms white, ...

Properties of pyridoxine a)  It forms white, odourless  crystals. b)  The compound is readily soluble  in water. c)  When  a neutral or alkaline solution of pyridoxine is

Vitamins arid minerals in postoperative nutritional care, Define needs of V...

Define needs of Vitamins arid Minerals in Postoperative Nutritional Care? Vitamins are required for wound healing after a surgery. Vitamin C provides the cementing material of

What is vertebrates, What is Vertebrates ? Vertebrates are animals that...

What is Vertebrates ? Vertebrates are animals that have vertebral columns, and include the following classes: Agnatha - jawless fishes (ex. lampreys) Chrondirichthyes - cart

What is insulin pump, Insulin Pump An  insulin pump is a device used fo...

Insulin Pump An  insulin pump is a device used for the administration of  insulin, also known as continuous subcutaneous insulin infusion therapy. The device includes: - the

Define a protein amino acid sequence, Protein structure is determined solel...

Protein structure is determined solely by a protein amino acid sequence. Should a genetically engineered protein in which the order of all amino acids is reversed therefore have th

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