Subdivision of digestive tract that connects the stomach to the large intestine and is where much of the digestion and absorption of food takes place (with the exception of ruminants). The mammalian small intestine is long and coiled and can be differentiated histologically into: duodenum, jejunem, ileum[WP,cjm,Kardong].
stomach +
striated border microvillus layer
stylopharyngeus muscle
sublingua
suprarostral cartilage +
tailgut
terminal part of digestive tract +
tongue +
tongue muscle +
tongue taste bud
tooth of lower jaw +
tooth of upper jaw +
triangular ligament of liver
upper digestive tract +
upper esophagus
velar vocal fold
vermiform appendix +
wall of intestine +
Y-shaped fibrocartilage skeleton of ventral pouch +