Human ovum, Biology

Assignment Help:
  • A pair of ovaries are the reproductive organs in woman.
  • They are present just below the kidneys in the abdominal cavity.
  • Each ovary has several sac like structures called ovarian follicles or Graffian follicles.
  • Each follicle has a centrally placed large cell called ovum.
  • The ovum is formed from a cell called primary oocyte.
  • When the ovum matures, the follicle ruptures and releases the ovum (haploid) into the body cavity.
  • Ovum is non-motile and is larger in size compared to spermatozoa.
  • Every time one follicle ruptures and one ovum is released.
  • The ruptured follicle is called corpus luteum and it secretes female sex hormone - oestrogen & progesterone.
  • Follicle stimulating hormone secreted by pituitary gland stimulates the growth of follicle and leutinizing hormone secreted by pituitary gland stimulates the rupture
  • of follicle and conversion of follicle in to corpus luteum.

Related Discussions:- Human ovum

Explain the term bleeding, Bleeding Bleeding from injury to small blood...

Bleeding Bleeding from injury to small blood vessels pushed along the lateral wall of expanding maxillary sinus should be contained by bone wax or electrocautery rather than cr

Thermodynamics and energy, Thermodynamics and Energy 2 types of en...

Thermodynamics and Energy 2 types of energy (kinetic and potential) Work is the transfer of energy from one place to another Energy isn't lost, only converted è fi

Explain balloon pulmonary valvuloplasty, Pulmonary stenosis is a relatively...

Pulmonary stenosis is a relatively common congenital heart defect. Usually these children with mild to moderate pulmonary stenosis survive into childhood. Since bicuspid pulmonary

Spoilage of butter, Q. Spoilage of butter? Butter, which has a high con...

Q. Spoilage of butter? Butter, which has a high content of fat, is subject to rancidity and microbial spoilage due to contaminated cream from which it has been prepared

Diabetes mellitus in the world, Diabetes Mellitus in the World As per t...

Diabetes Mellitus in the World As per the International Diabetes Federation Directory, in 1994 the global burden of the disease was estimated at 110 million. These cases will i

What is firing rate of carotid artery baroreceptors, What is firing rate of...

What is firing rate of carotid artery baroreceptors At 1:00 AM, person X's blood pressure is equal to the blood pressure set point.  At 1:01 AM, there is a decrease in the firi

Human anatomy-physiology , Human anatomy: Human anatomy is a branch of bio...

Human anatomy: Human anatomy is a branch of biology which, with deals with human physiology and biochemistry. It is mainly concerned with the scientific study of the internal stru

Define precipitation or solubility of proteins, Define Precipitation or Sol...

Define Precipitation or Solubility of Proteins? Most of the functional properties are dependent on the degree to which the proteins are soluble. The solubility behaviour provid

Earth worm, what is mode of nurtion of earth worm/

what is mode of nurtion of earth worm/

What is physiology root pressure explain briiefly, What is Physiology: Root...

What is Physiology: Root Pressure explain briiefly? Transport of water, minerals and nutrients within vascular plants is dramatically different from animals such as humans. Whe

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