Anatomy and Physiology of Animals ผศ. น. สพ. ชัยวัฒน์ จรัสแสง ภาควิชาศัลยศาสตร์และวิทยาการสืบพันธุ์

Female Reproductive System Ovary Oviduct Uterus - uterine horn - body - cervix Vagina Vulva

Hors e

Female reproductive system

Cattl e

Sow

Bitc h

Ovar y

Sow

Bitch

Oviduct Uterine tube or Fallopian tube Fertilization Cat,Pig,Sheep 3 days Cow 3-5 days Dog,Horse 8 days - infundibulum - ampulla - isthmus length 5-9 cm Dog Cow cm cm Pig Horse cm

Bitc h

Oviduct Frimbriae Mesosalpinx > Ovarian bursa Simple columnar epithelium Pseudostratified columnar epithelium Cilia Ampulla Longitudinal fold

The Uterus Horn or Cornua Body Neck or Cervix Type of Uterus Bicornuate uterus --> Ruminant,Pig Bipartite Uterus --> Horse Duplex Uterus ---> Rodents Simplex Uterus ---> Primate

Cervix Connect to Vagina - Cylindrical - Smooth muscle and dense fibrous tissue - internal uterine orifice - external uterine orifice - fornix Length Dog 1 cm Pig Cm Cow 6- 7 cm ---> 10 cm Horse 10 cm

Cervix Ruminant --> Annular ring Plicae circulares Fornix vaginae Pig ---> Screw

Body of Uterus Length Cow 3 cm Bitch2-3 cm Horse18-20 cm Pig 5 cm

Horn of Uterus Length - Dog 9-10 cm - Pig cm - Cow cm - Horse 25 cm intercornual ligaments Broad ligaments round ligament of the uterus

Uterus Function - Implantation - Endometrium glands --> uterine milk - Caruncles --> Ruminants -Pregnancy

Vagina Vestibule and Vulva Vagina - Cow cm - Horse cm - Pig,Small ruminants cm - Epithelium Stratified squamous epithelium cornify cell (Vaginal smear) exxept...Cow

Vestibule Minor vestibular glands --> Horse Major vestibular glands --> Ruminants Suburethral diverticulum Vulva Clitoris

Vessels Broad ligament - Ovarian artery or Utero – ovarian artery Uterus - Middle uterine artery Horse,Cow ---> Pregnancy diagnosis