THE VAGINA The vagina is a expandable fibromuscular tube wh | IN Medicine

THE VAGINA

The vagina is a expandable fibromuscular tube which extends from the introitus (external vagina orifice) to the middle cervix. It extends postero-superiorly




Length
7-10cm



Significant Of The Vagina
Serves as a canal for menstrual flow
Receives the penis and ejaculation during sexual intercourse
Also serve as an inferior part of the birth canal.



Relations of the Vagina
Anteriorly; by the bladder and urethra
Posteriorly; Rectum, Anal Canal, Perineal body and rectro-uterine pouch of Douglas
Laterally; by the levator Ani (Puboccocygens and Illiococcygens) Ureter and pelvic fascia



Nerve Supply
perineal and labia branch of pudendal nerve
ilio-inguinal nerve



Arterial supply
uterine artery
Internal pudendal artery
middle rectal artery
inferior vesical artery
vagina branch of the internal iliac artery



venous drainage
Uterine veins which drains into internal iliac vein




Note: The Lower part of the vagina is more sensitive than the upper part.