Female reproductive system - uterus (womb), Biology

UTERUS (WOMB) -

  • Large, pyriform, highly elastic. Development of embryo takes place in it.
  • It is located above and behind the urinnary bladder. Attached to body wall by mesometrium ligament.
  • In nulliparous woman, it is about 8 cm long 5 cm wide 2 cm thick, weighting 10-15 gms. Some what larger in multiparous woman.
  • It shows four regions -

               (i) Upper wide, dom shaped fundus that receives fallopian tubes.

               (ii) Cornuae the upper corners where the oviducts enter into uterus.

               (iii) Middle large body or corpus which is the main part.

               (iv) Lower narrow cervix that projects into vagina.

  • Cervix communicates with uterus by internal os. and with vagina by external os.
  • Cavity of cervix between external and internal os. is cervical canal. It is 2.5 cm long.
  • Cervix is composed of the biggest and most powerful sphinctor muscles in the body. It is strong enough to hold about 7 kg of foetus fluid.
  • In the wall of uterus outer layer is perimetrium, middle myometrium & inner endometrium.
  • Myometrium consists of inner & outer of longt. muscles and middle circular muscles. Longest involuntary muscles present here.
  • The cavity of uterus can be expanded 500 times during pregnancy from 10 cm3 to 5000 cm3.
Posted Date: 10/3/2012 5:42:27 AM | Location : United States







Related Discussions:- Female reproductive system - uterus (womb), Assignment Help, Ask Question on Female reproductive system - uterus (womb), Get Answer, Expert's Help, Female reproductive system - uterus (womb) Discussions

Write discussion on Female reproductive system - uterus (womb)
Your posts are moderated
Related Questions
Explain the Health Benefits of Polyphenols ? Various health benefits have been attributed to polyphenols. These include: - anti-microbial - anti-viral - anti-oxidant - hy

Q. Etiologic factor of atherosclerosis? Various factors are responsible for atherosclerosis. These include: 1. Hyperlipidemin: Excess circulating fats in blood especially th

Phosphodiesterase Inhibitors and Other Agents Amrinone and Milrinone are prototypes of type III PDE inhibitors. They decrease the breakdown of cyclic AMP in the myocardium and i

There is no Interphase preceding second meiotic division. There is a brief intervening period called Interkinesis During this period there may be synthesis of some reserve fo

Determine the Fluids and Electrolyte Requirement at high Altitude? In addition to cold induced diuresis, hyperventilation together with a dry environment at HA makes an individ

Health Education to Hospitalised Child You have unique opportunity for teaching and reinforcing good hygienic care while the child is hospitalised. Clean hair, nails, clothin

Describe in brief about the Boron  - Micronutrients  Boron is required in extremely small amounts in the range of 0.01 to 1.0 ppm. The actual amount may vary from crop to crop

Organic Molecules Some organic molecules in life are Carbohydrates and Lipids à C, H and O Proteins à C, H, O, N & sometimes S Nucleic acids à C, H, O, N & P

Explain Nutritional Requirements of Microbes? Microorganisms require various nutrients and physical factors for their existence and growth. Nutrients are substances used in bio

Q. Medical and Nutritional Management for pectic ulcer? To provide physiological rest and support tissue healing, treatment should be based on providing rest to the affected ar