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.
(Latin: circle) (-al= pertaining to) (orbit-=orbit) (peri-=around) The BONY socket that holds the eyeball.Orbital: Pertaining to the orbit. Periorbital: Pertaining to tissues AROUND the orbit to protect the eye.etina. (Latin: net) LIGHT-sensitive innermost layer of the eyeball found in the back of the eye. It is the final destination for light rays. It contains RODS which perceive only light, not color, and function mostly in dim lighting and CONES which have light-and color-activated sharpness.