Medial eminence of floor of fourth ventricle

Medial eminence of floor of fourth ventricle
Not to be confused with Median eminence.
Brain: Medial eminence of floor of fourth ventricle
Gray709.png
Rhomboid fossa. (Medial eminence visible but not labeled.)
Human caudal brainstem posterior view description.JPG
Human caudal brainstem posterior view description (Eminentia medialis is #2)
Latin eminentia medialis fossae rhomboideae
Gray's subject #187 799
NeuroNames ancil-2137625571

In the human brain, the rhomboid fossa is divided into symmetrical halves by a median sulcus which reaches from the upper to the lower angles of the fossa and is deeper below than above. On either side of this sulcus is an elevation, the medial eminence, bounded laterally by a sulcus, the sulcus limitans.

In the superior part of the fossa the medial eminence has a width equal to that of the corresponding half of the fossa, but opposite the superior fovea it forms an elongated swelling, the colliculus facialis, which overlies the nucleus of the abducent nerve, and is, in part at least, produced by the ascending portion of the root of the facial nerve.

External links

This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained within it may be outdated.

v · d · eHuman brain: rhombencephalon, myelencephalon: medulla (TA A14.1.04, GA 9.767)
Dorsal
Surface
Posterior median sulcus · Posterolateral sulcus · Area postrema · Vagal trigone · Hypoglossal trigone · Medial eminence
Grey: other
White: Sensory/ascending
White: Motor/descending
Ventral
White: Motor/descending
Surface
Anterior median fissure · Anterolateral sulcus · Olive · Pyramid
Grey: Raphe/
reticular

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)
v · d · eHuman brain, rhombencephalon, metencephalon: pons (TA A14.1.05.101–604, GA 9.785)
Dorsal/
(tegmentum)
Surface
White: Sensory/ascending
White: Motor/descending
Other grey
Ventral/
(base)
White: Motor/descending
Surface
Basilar sulcus
Other grey: Raphe/
reticular

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)
v · d · eVentricular system, rhombencephalon, met- and myel-: fourth ventricle (TA A14.1.05.701–726, GA 9.797)
Roof (dorsal)
Floor/rhomboid fossa (ventral)
Apertures
Other
Tela chorioidea of fourth ventricle · Fastigium

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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