cisterna

SYN: cistern. [L. an underground cistern for water, fr. cista, a box]

- c. ambiens [TA] SYN: ambient cistern.

- c. basalis SYN: interpeduncular cistern.

- c. caryothecae the space between the internal and external membranes of the nuclear envelope; may be continuous in places with cisterns of the endoplasmic reticulum. SYN: cistern of nuclear envelope, perinuclear space.

- c. cerebellomedullaris lateralis [TA] SYN: lateral cerebellomedullary cistern.

- c. cerebellomedullaris posterior [TA] SYN: posterior cerebellomedullary cistern. See cerebellomedullary cistern.

- c. chiasmatica [TA]

- c. chiasmatis [TA] SYN: chiasmatic cistern.

- c. chyli [TA] a dilated sac at the lower end of the thoracic duct into which the intestinal trunk and two lumbar lymphatic trunks open; it occurs inconsistently and when present is located posterior to the aorta on the anterior aspect of the bodies of the first and second lumbar vertebrae. SYN: chyle cistern, ampulla chyli, chylocyst, Pecquet cistern, Pecquet reservoir, receptaculum chyli, receptaculum pecqueti.

- c. cruralis SYN: interpeduncular cistern.

- c. fossae lateralis cerebri [TA] SYN: cistern of lateral cerebral fossa.

- c. interpeduncularis [TA] SYN: interpeduncular cistern.

- c. laminae terminalis [TA] SYN: cistern of lamina terminalis.

- c. lumbalis [TA] SYN: LUMBAR CISTERN51.

- c. magna posterior cerebellomedullary cistern.

- c. pericallosa [TA] SYN: pericallosal cistern.

- c. perilymphatica SYN: perilymphatic space.

- c. pontis SYN: pontocerebellar cistern.

- c. pontocerebellaris [TA] SYN: pontocerebellar cistern.

- c. quadrigeminalis [TA] SYN: quadrigeminal cistern. See cistern of great cerebral vein.

- cisternae subarachnoideae [TA] SYN: subarachnoid cisterns, under cistern.

- subsurface c. a cistern of the endoplasmic reticulum that lies close to the plasma membrane; such cisternae occur especially in the cell bodies of neurons.

- terminal cisternae pairs of transversely oriented tubules of the sarcoplasmic reticulum occurring at regular intervals in skeletal muscle fibers; together with an intermediate T tubule they make up a triad.

- c. venae magnae cerebri quadrigeminal cistern.

* * *

cis·ter·na sis-'tər-nə n, pl -nae -.nē CISTERN: as

a) CISTERNA MAGNA

b) CISTERNA CHYLI

c) one of the interconnected flattened vesicles or tubules comprising the endoplasmic reticulum

* * *

n. (pl. cisternae)

1. one of the enlarged spaces beneath the arachnoid that act as reservoirs for cerebrospinal fluid. The largest (cisterna magna) lies beneath the cerebellum and behind the medulla oblongata.

2. a dilatation at the lower end of the thoracic duct, into which the great lymph ducts of the lower limbs drain.

* * *

cis·ter·na (sis-turґnə) gen. and pl. cisterґnae [L.] 1. [TA] cistern: a closed space serving as a reservoir for lymph or other body fluid, especially one of the enlarged subarachnoid spaces containing cerebrospinal fluid. 2. an ultrastructural, membrane-lined space occurring in the endoplasmic reticulum and Golgi complex.