Cisterna magna

Cisterna magna
Brain: Cisterna magna
Gray768.png
Diagram showing the positions of the three principal cisterns in the brain. The cisterna magna is visible at the lower right.
Latin cisterna cerebellomedullaris
Gray's subject #193 876
System Ventricular
NeuroNames hier-533
MeSH Cisterna+Magna

The cisterna magna (or cerebellomedullary cistern) is one of three principal openings in the subarachnoid space between the arachnoid and pia mater layers of the meninges surrounding the brain. The openings are collectively referred to as cisterns. The cisterna magna is located between the cerebellum and the dorsal surface of the medulla oblongata. Cerebrospinal fluid produced in the fourth ventricle drains into the cisterna magna via the lateral apertures and median aperture.

The two other principal cisterns are the pontine cistern located between the pons and the medulla, and the interpeduncular cistern located between the cerebral peduncles.

Cerebral spinal fluid can also be obtained by puncture of the cisterna magna (cistern puncture).

v · d · eAnatomy: meninges of the brain and medulla spinalis (TA A14.1.01, GA 9.749/9.872)
Layers

Denticulate ligaments

Tela chorioidea (Tela chorioidea of third ventricle, Tela chorioidea of fourth ventricle) · Choroid plexus
Combined
Spaces

M: CNS

anat(n/s/m/p/4/e/b/d/c/a/f/l/g)/phys/devp

noco(m/d/e/h/v/s)/cong/tumr, sysi/epon, injr

proc, drug(N1A/2AB/C/3/4/7A/B/C/D)

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Look at other dictionaries:

  • cisterna magna — cisterna mag·na mag nə n, pl cisternae mag·nae .nē a large subarachnoid space between the caudal part of the cerebellum and the medulla oblongata * * * TA alternative for c. cerebellomedullaris posterior …   Medical dictionary

  • cisterna magna — noun A region in the brain posterior to the medulla oblongata, below the cerebellum; cerebrospinal fluid enters from the fourth ventricle …   Wiktionary

  • cisterna magna — …   Useful english dictionary

  • Magna — may refer to: Contents 1 Companies, products and institutions 2 Place names 2.1 Place names in England …   Wikipedia

  • cisterna cerebelomedular — cisterna magna: espacio entre la cara inferior del cerebelo y la posterior del bulbo imagen anatómica [véase http://www.iqb.es/diccio/c/ci.htm#cisterna cerebelomedular] Diccionario ilustrado de Términos Médicos.. Alvaro Galiano. 2010 …   Diccionario médico

  • cisterna pontis — cisterna pontocerebellaris [TA] pontine cistern: a large space ventral to the pons, continuous posteriorly with the cisterna magna and rostrally with the interpeduncular cistern; the basilar artery runs through it. It may be considered to be… …   Medical dictionary

  • cisterna mag|na — «MAG nuh», a large space in the brain enclosed by the arachnoid membrane, cerebellum, and medulla oblongata. ╂[< New Latin cisterna magna] …   Useful english dictionary

  • magna — see CISTERNA MAGNA, THERAPIA STERILISANS MAGNA …   Medical dictionary

  • 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 …   Medical dictionary

  • cisterna — 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 new mediacal dictionary

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