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.
Rapid plasma reagin. Treponema pallidum, the bacterium that causes syphilis. The rapid plasma reagin (RPR), RPR titer, or RPR test refers to a type of rapid diagnostic test that looks for non-specific antibodies in the blood of the patient that may indicate a syphilis infection.