164 EQUINE ANATOMY. 



fundus, and a posterior separated from the vagina by 

 the neck or cervix of the uterus. Tlie cornua have an 

 inferior curvature, a superior, shorter ; an anterior and 

 posterior extremity. Modes of attachment : A sus- 

 pensory or broad ligament. Interior offers many mu- 

 cous folds and three compartments or cavities, one for 

 the body, two for the cornua. Tlie former is prolonged 

 in the vagina hy the Jleur epanouie. Structure: a se- 

 rous tunic peritoneal, a muscular coat with longitudi- 

 nal and circular fibres, a mucous membrane raised, into 

 folds, containing many simple or ramified glands. 

 Blood vessels : branches of the uterine and utero-ova- 

 rian arteries. Lymphatics, numerous. Nerves sup- 

 ported by the small mesenteric and pelvic plexuses. 



Intestines« — Division : Small and large. 



Small intestine. — Length, twenty-four yards. Form, 

 cylindrical. Course, from the right sac of the stomach, 

 runs forward, turns backwards round the base of the 

 ccecum, passes to the left flank, forms many circumvo- 

 lutions, returns to the right and ends in tlie ccecum, 

 below the origin of the large colon. Mode of attach- 

 ments: by the stomach, coecum, and principally the 

 mesentery. Interior has longitudinal folds, villi, glan- 

 dular and follicular openings, communicates with the 

 stomach by the pyloric opening, and with the coecum 

 by the ileo-coecal valve ; near the former it shows the 



