Definition of the Smooth ER. The smooth endoplasmic reticulum, or smooth ER, is an organelle found in both animal cells and plant cells. An organelle is a sub-unit within a cell that has a specialized function.The main function of the smooth ER is to make cellular products like hormones and lipids.he smooth endoplasmic reticulum, or smooth ER, is an organelle found in both animal cells and plant cells. An organelle is a sub-unit within a cell that has a specialized function.
Definition of suprailium. : a cartilaginous epiphysis at the sacral end of the ilium of some animals.
(N270, TG5-26) The suspensory muscle of the duodenum (also known as the ligament of Trietz) is a thin sheet of muscle fibers derived from the right crus of the diaphragm that suspends the fourth part of the duodenum (the duodenojejunal flexure or junction) from the posterior abdominal wall. 10.