(biology) Any of the various membranes sections comprising some organelles like the Golgi apparatus and the endoplasmic reticulum.

plural of cisterna

(anatomy) A dilated sac at the lower end of the thoracic duct into which lymph from the intestinal trunk and two lumbar lymphatic trunks flows

A region in the brain posterior to the medulla oblongata, below the cerebellum; cerebrospinal fluid enters from the fourth ventricle.

plural of terminal cisterna

(anatomy) One of the areas of the sarcoplasmic reticulum of striated muscle cells, surrounding T tubules, that are able to store calcium and release it when an action potential courses down the T tubules.

(anatomy) Relating to cisterns or cisternae

(cytology) A proposed transport mechanism of protein through the Golgi apparatus in which the cisternae move, beginning at the cis face and progressing via the medial face to the trans face.