Fallopian Tube

Question 1

Parts of uterine tube

Answer 1

× these are tortuous ducts convey ova from ovary to the uterus. Each uterine tube is 10cm in length
× infundibulum is the lateral part of the uterine tube, which opens into the pelvic peritoneal cavity. It has mucous folding called fimbriae which collects the ovum from the ovary
× AMPULLA is a dilated portion of the uterine tube called ampulla. Fertilisation occurs here
× isthmus is the medial part of the uterine tube. Act as a sphincter and allows the fertilized ovum to the uterine cavity when it is in the morula stage
× uterine/intramural part is the small medial part of the uterine tube within the wall of the uterus

Question 2

Structure of the uterine tube [from outside inwards]

Answer 2

1. outer serous coat derived from the peritoneum
2. Middle muscular coat consist of smooth muscle arranged in outer longitudinal and inner circular layer
3. The mucous membrane show primary, secondary, and tertiary folds. It is lined by simple ciliated columnar cells

Question 3

Blood supply of uterine tube

Answer 3

1. Supplies by branches of uterine and ovarian artery
2. Venous blood is drain into uterine and ovarian veins

Question 4

Applied aspects

Answer 4

Tubectomy: it is contraceptive method were the small section of fallopian tube is cut and tied up to prevent fertilisation

Salpingitis: inflammation of fallopian tube

Tubal pregnancy (ectopic pregnancy): fertilized ovum fail to reach the uterine cavity and undergo development inside the uterine tube. This may cause rupture of the tube hence immediate surgery is required