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

Describe how the hypothalamus regulates, Describe how the hypothalamus regu...

Describe how the hypothalamus regulates the secretion of anterior pituitary hormones and identify all of the individual hypothalamic regulatory factors. Describe how the hypothalam

How the arrangement of cells helps with tissue functioning, Distinguish bet...

Distinguish between epithelial and connective tissues with respect to their cell arrangement? PROVIDE a specific example( for both tissue types) of how the arrangement of cells hel

Application of derivative, Give some real world sample problem involving us...

Give some real world sample problem involving use of derivative

Chest x-ray, Increase in cardio-thoracic ratio is a relatively specific ind...

Increase in cardio-thoracic ratio is a relatively specific indicator of left ventricular end-diastolic volume. Left atrial enlargement is seen as double density shadow, lifting up

Prozoan, classifcation of protozoans

classifcation of protozoans

Calculate the length of the implant used, Length of the Implant Used Th...

Length of the Implant Used The length of the implant to be used is dictated by the available bone height. The success rate is proportional to the implant length and the quality

Meaning of behaviour change communication, Meaning of Behaviour Change Comm...

Meaning of Behaviour Change Communication Now day's very common term used for giving health education to people and for giving information to bring change in behaviour is Behav

Phenotypical proportion obtained in f2 generation explained, Considering th...

Considering the hybridization in a given trait like the color of the hair of a mammalian species (white/black) conditioned by a pair of different alleles under complete dominance (

Write short note on gluconeogenesis, Gluconeogenesis that is also called as...

Gluconeogenesis that is also called as GNG is a metabolic pathway which results in the generation of glucose from non-carbohydrate carbon substrates such as pyruvate, glycerol, lac

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