cisterna

(si stʉr)

noun pl. cisternae

Anat. a cistern; specif., any of the enlarged spaces below the arachnoid

Origin: L: see cistern

Related Forms:

See cisterna in American Heritage Dictionary 4

noun pl. cis·ter·nae (-nē)
  1. Anatomy A fluid-containing sac or cavity in the body of an organism. Also called reservoir.
  2. Cytology One of the saclike vesicles that comprise the endoplasmic reticulum.

Origin:

Origin: Latin, cistern; see cistern

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Related Forms:

  • cis·terˈnal adjective

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