cisterna (redirected from cisterna cerebellomedullaris posterior)

cisterna /cis·ter·na/ (sis-ter´nah) pl. cister´nae   [L.] cistern.

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cisterna cerebellomedulla´ris poste´rior  posterior cerebellomedullary cistern; the enlarged subarachnoid space between the undersurface of the cerebellum and the posterior surface of the medulla oblongata.

cisterna chy´li  the dilated part of the thoracic duct at its origin in the lumbar region.

perinuclear cisterna  the space separating the inner from the outer nuclear membrane.

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cis·ter·na (s-stûrn)

n. pl. cis·ter·nae (-n)

1. A cavity or enclosed space serving as a reservoir, especially for chyle, lymph, or cerebrospinal fluid.

2. An ultramicroscopic space or channel occurring between the membranes of the flattened sacs of the endoplasmic reticulum, the Golgi complex, or the two membranes of the nuclear envelope.

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cis·ternal adj.

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cisterna

pl. cisternae; cistern.

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cisterna cerebellomedullaris, cisterna magna

the enlarged subarachnoid space between the caudal surface of the cerebellum and the dorsal surface of the medulla oblongata.

cisterna chyli

the dilated portion of the thoracic duct at its origin in the lumbar region. Called also receptaculum chyli.

cisterna magna

see cisterna cerebellomedullaris (above).