Female Reproductive Organ:Uterus

in #academic6 years ago

Uterus :the uterus is a hollow pyriform muscular organ situated in the pelvis between the bladder in front and thr rectum behind.
It is female reproductive organ.Its also name is child bearing bag.
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Anatomy of uterus:
position :Its normal position is one of the anteversion and anteflexion.
N:B-anteversion:it is the Normal angle between the long axis of the cervix and the long axis of vagina.It is about 90 degree.
anteflexion:it is the normal angle the long axis of the cervix and the long axis of vagina.It is about 120 degree.
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Measurement :It's about 8cm long and 5 cm wide at the fundus and its walls are about 1.25 cm thick.
Parts:It has got 3 parts
1) Body or corpus-fundus,body proper
2)Isthmus
3)Cervix

     Layer:perimetrium,Myometrium,Endometrium.

Blood supply:
Uterine artery arises from the anterior division of the internal iliac artety either directly or ad a branch of the hypogastric artery.
Ovarian and Vaginal arteries:it anastomoses with uterine arteries.

Venous drainage:The venous channels correspond to the arterial course and drain into internal iliac veins.

Nerve supply:
sympathetic :T5 and T6 and T10-L1 spinal segments.
parasympathetic supply:S2-S4 spinal segments.

Support of uterus:Two kinds of support-primary and secondary.Primary support have mascular and ligamentous support.it helps the human to keep the uterus of its normal position.
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Changes of size of uterus in different age:Increasing of age the size of uterus will be changed.The changing occurs from birth to 75 years old.
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nice post...