Parts of Uterus
1. Body or Corpus
2. Isthmus
3. Cervix
1. Body or Corpus
Fundus; Uppermost part, widest part of uterus.
Lie above opening of uterine tube.
It connects to fallopian tube.
Body lie between the opening of uterine tube and isthmus
Corpus where fertilized egg implant during pregnancy.
2. Isthmus
Constricted part, between body and cervix (0.5cm).
Below internal OS lie between corpus and cervix (narrow part of uterus).
3. Cervix
Mainly composed of fibrous connective tissue.
Cervix open to vagina.
Extends from isthmus and ends at external OS.
Cervix
Supravaginal; cervix part lying above vagina called supravaginal.
Vagina cervix; cervix part lies within vagina called vaginal cervix.
Body Cavity
Triangular shape, there is no Ccavity in fundus.
Length of uterine cavity; 6.5-7cm
Cervical canal is fusiform (spindle) and measure 2.5cm