One of the long, slender, conducting cells of the phloem that do not form a constituent element of a sieve tube, but which are provided with relatively unspecialized sieve areas, especially in the tapering ends of the cells that overlap those of other sieve cells. Sieve cells are typically associated with gymnosperms.

plural of sieve cell

A kind of specialized cell located in the lower leaf epidermis of plants. Pairs of guard cells surround tiny stomatal airway pores and regulate their opening and closing.

Any of the sensory receptors of both the auditory system and the vestibular system in all vertebrates.

(medicine) cytotherapy.

(zoology) A cell in annelids, with a similar function to the liver

plural of Clara cell

plural of club cell

(anatomy, cytology) A dome-shaped cell with short microvilli, found in the bronchioles of the lungs, and capable of secreting glycosaminoglycans, in order to to protect the bronchiole lining.

Synonym of club cell