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

Energy requirements to get ideal body weight, Q. Energy requirements to get...

Q. Energy requirements to get ideal body weight? Calories: The energy requirements of adult patients is governed by their present body weight and the need to maintain a desira

Explain the principle of microscopy, Explain the Principle of Microscopy? ...

Explain the Principle of Microscopy? When the light passes from one medium to another, refraction occurs, i.e., the ray is bent at the interface. The direction and the magnitud

What is master gland, Which of the below is usually referred to as "master ...

Which of the below is usually referred to as "master gland" because it regulates so many body activities? Is it: a) Pituitary gland b) Thyroid gland c) Adrenal gland d

Explain the programmed senescence theory of ageing, Define senescence Expla...

Define senescence Explain the 'programmed senescence theory' of ageing.

Define Listeriosis monocytogenes, Define Listeriosis monocytogenes L. ...

Define Listeriosis monocytogenes L. monocytogenes can grow over the temperature range of about 1 0 to 45 0 C and the pH range 4.1 to around 9.6, it maybe expected to survive

Dna, how atoms are arranged to work in DNA?

how atoms are arranged to work in DNA?

Control of glycogen metabolism, The major factor which controls glycogen me...

The major factor which controls glycogen metabolism in the liver is the concentration of phorphorylase alpha. Certainly, this enzyme catalyzes the limiting step of glycogen breakdo

Cell theory, Cell Theory The term cell was first used by an English cyt...

Cell Theory The term cell was first used by an English cytologist, Robert Hooke (1665) not for unit protoplasmic masses, but for the well defined and empty compartments, he obs

Can you explain nerves, Q. What are nerves? Axons extend all through th...

Q. What are nerves? Axons extend all through the body inside nerves. Nerves are axon-containing structures presenting many axons and covered by connective tissue. The nerves co

Deficiency diseases-ketosis, Ketosis Ketosis, also known as acetonaemia...

Ketosis Ketosis, also known as acetonaemia or ketonaemia is a multifactorial disorder that commonly occurs in dairy cows and buffaloes immediately after calving or in early 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