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.
radial pulse that felt over the radial artery at the wrist. Riegel's pulse one that is diminished during respiration. slow pulse one with less than the usual number of pulsations per minute; called also vagus pulse and pulsus tardus. thready pulse one that is very fine and scarcely perceptible.