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Cisterna

Definition

noun, plural: cisternae

(general) A reservoir or tank for storing water, especially a tank for holding rainwater for later use.

(cell biology) A space containing fluid, such as those occurring between the membranes of flattened sacs of the Golgi apparatus and the endoplasmic reticulum, also between the two membranes of the nuclear envelope.

(anatomy) A reservoir or a closed space filled with body fluid like chyle, lymph, or cerebrospinal fluid.


Supplement

In neuroanatomy, cisternae refer to any of the openings in the subarachnoid space of the brain filled with cerebrospinal fluid. Some of the major subarachnoid cisternae are:


Word origin: Latin cisterna, from cista (“‘box’”), from Ancient Greek kistē, “‘box’”.

Related forms: cisternal (adjective).
Other derived terms:

Synonym: cistern.


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Biological Functions of...

... that proteins incorporate many sugars for signaling purposes: either glycoproteins or proteoglycans. For example: Secretory vesicles in the Golgi cisterna use mostly mannose, galactose, and NAG (N-Acetlyglucosamine) to make the necessary glycoproteins for export. Oh, and all those glycoproteins ...

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by kolean
Wed Jul 08, 2009 5:20 pm
 
Forum: Cell Biology
Topic: Biological Functions of...
Replies: 3
Views: 5160

need some help

... it sound sooooo out of place here 8) 5. Which is not true regarding Golgi body? a. analogous to dictyosome in plant structure b. has two faces c. cisterna or forming faces toward endoplasmic reticulum d. involve in packaging and secretion of cell products e. located near cell membrane My answer: ...

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by kabuto
Sat Apr 15, 2006 12:55 pm
 
Forum: Cell Biology
Topic: need some help
Replies: 3
Views: 1760

Trans-Golgi and Cis-Golgi

Yes. Trans-cisterna connects between RER to Golgi complex, to receive product from protein synthesis, then the protein undergoes glycosilation, step by step until it will transport to cis-cisterna for the final product. A vesicle ...

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by Dr.Stein
Fri Jul 29, 2005 7:03 am
 
Forum: Cell Biology
Topic: Trans-Golgi and Cis-Golgi
Replies: 3
Views: 9316


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