Changes

**At the cranial border of the mesentry it turns medially to become the '''transverse colon'''.

**At the cranial border of the mesentry it turns medially to become the '''transverse colon'''.

*The transverse colon runs from the right side of the abdomen to the left side of the abdomen.

*The transverse colon runs from the right side of the abdomen to the left side of the abdomen.

**Cranial to the transverse colon is the [[Monogastric Stomach - Anatomy & Physiology|stomach]], and caudal to it is the [[Small Intestine - Anatomy & Physiology|small intestine]] and cranial mesenteric artery.

**Cranial to the transverse colon is the [[Monogastric Stomach - Anatomy & Physiology|stomach]], and caudal to it is the [[Small Intestine Overview - Anatomy & Physiology|small intestine]] and cranial mesenteric artery.

*The '''descending colon''' continues on from the transverse colon running caudally on the left.

*The '''descending colon''' continues on from the transverse colon running caudally on the left.

**It then passes more medially as it enters the pelvic cavity

**It then passes more medially as it enters the pelvic cavity

**Motility in most species is brought about by segmentation and [http://en.wikipedia.org/wiki/Peristalsis| peristalsis].

**Motility in most species is brought about by segmentation and [http://en.wikipedia.org/wiki/Peristalsis| peristalsis].

**Antiperistalsis also occurs and is particularly important in horses, ruminants and rodents.

**Antiperistalsis also occurs and is particularly important in horses, ruminants and rodents.

***Chyme is transported towards the [[Small Intestine - Anatomy & Physiology|small intestine]] so as to fill the [[Caecum - Anatomy & Physiology|caecum]].  

***Chyme is transported towards the [[Small Intestine Overview - Anatomy & Physiology|small intestine]] so as to fill the [[Caecum - Anatomy & Physiology|caecum]].  

***In the horse the antiperistaltic movements delay the movement of chyme from the ventral to the dorsal colon, which increases the time chyme is available for fermentation in the ventral colon.

***In the horse the antiperistaltic movements delay the movement of chyme from the ventral to the dorsal colon, which increases the time chyme is available for fermentation in the ventral colon.

*''Mass movements'' move the content of the large intestine into the [[Rectum - Anatomy & Physiology|rectum]].

*''Mass movements'' move the content of the large intestine into the [[Rectum - Anatomy & Physiology|rectum]].