Anatomy and Cell Biology 3319 Lecture Notes - Lecture 4: Levator Ani, Pubic Symphysis, Ductus Arteriosus
23 Jun 2016
School
Department
Professor
Document Summary
We will talk about the accessory organs which are not part of the gi tract but contribute to it s. i. is composed of duodenum, jejunum, and ileum. As food leaves the stomach, it goes through these successively. Ileum is continuous with the large intestine which ascends, crosses, and descends into the anal canal. Duodenum can be separated into 4 parts (superior, descending, transverse, ascending) Most important is the descending b/c that"s where secretions from pancreas and liver and. Within the belly of the letter c of the duodenum, the pancreas is nestled. We can see the duodenum has ridges (plicae circulares) and it appears somewhat similar to the. The whole gi tract is about 9 metres. The si is about 6 metres; so it makes up 2/3 of the gi tract. Gallbladder is tucked underneath the liver; it"s a storage site for bile (which is made in the liver)
