ABDOMEN. 165 



three coats, an external of connective and elastic tis- 

 sue, a median muscular, an internal mucous. 



Ovaries. — Situated in the abdominal cavity, hang- 

 ing to the sub-lnmbar region, a little posterior of the 

 kidneys. Modes of attachments : a fold of peritoneum 

 or broad ligament. Structure : a serous coat perito- 

 neal, a tunica albnginea and a tissue proper divided 

 into medullary and cortical layers ; in the latter are 

 found the Graafian vesicles, composed of a fibrous en- 

 velope and a granular membrane, which contains the 

 ovulam or ovum. Blood vessels : ramification of the 

 utero-ovarian artery. Lymphatics : go to the sub-lumbar 

 ganglion. Nerves come from the small mesenteric 

 plexus. ^. 



Oviducts. — Fallopian or uterine tubes. Situation : 

 in the broad ligament, near its anterior border ; begins 

 at the ovary by the pavilion or ostium abdominale, and 

 terminates in the cul de sac of the uterine horn by the 

 ostium uterinum. Structure: an external layer of se- 

 rous membrane, a middle muscular and internal mu- 

 cous. Functions : carries the ovulum to the uterus and 

 tlie seminal fluid to the ovulum. 



Uterus, — Situation : in the abdominal cavity, sub- 

 lumbar regions at tlie entrance to the pelvic cavity. 

 Division : A body and two cornua. Body has two 

 faces, superior and inferior ; an anterior extremity or 



