Anterior median fissure of the medulla oblongata information
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Anterior median fissure of the medulla oblongata
Section of the medulla oblongata at about the middle of the olive. (Anterior median fissure labeled at bottom center.)
Details
Identifiers
Latin
fissura mediana anterior medullae oblongatae
NeuroNames
700
TA98
A14.1.04.001
TA2
5984
FMA
83734
Anatomical terms of neuroanatomy
[edit on Wikidata]
The anterior median fissure (ventral or ventromedian fissure) contains a fold of pia mater, and extends along the entire length of the medulla oblongata: It ends at the lower border of the pons in a small triangular expansion, termed the foramen cecum.
Its lower part is interrupted by bundles of fibers that cross obliquely from one side to the other, and constitute the pyramidal decussation.
Some fibers, termed the anterior external arcuate fibers, emerge from the fissure above this decussation and curve lateralward and upward over the surface of the medulla oblongata to join the inferior peduncle.
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Themedullaoblongata or simply medulla is a long stem-like structure which makes up the lower part ofthe brainstem. It is anterior and partially inferior...
Theanteriormedianfissure (ventral or ventromedian fissure) contains a fold of pia mater, and extends along the entire length ofthemedulla oblongata:...
The posterior median sulcus ofmedullaoblongata (or posterior medianfissure or dorsal median sulcus) is a narrow groove; and exists only in the closed...
surface by way of the anteriormedianfissure, and arch backward over the pyramid. Reinforced by others which emerge between the pyramid and olive, they...
the level ofthemedullaoblongata, although they do cross over in the spinal level they innervate. They then synapse at theanterior horn with the lower...
the middle medulla Cross-section ofthe inferior medulla From the front In the medial part ofthemedulla is theanteriormedianfissure. Moving laterally...
The accessory, vagus, and glossopharyngeal nerves correspond with the posterior nerve roots, and are attached to the bottom of a sulcus named the posterolateral...
pia mater along the anteriormedianfissure.[citation needed] On its course the artery takes several small branches (i.e. anterior segmental medullary...
between the cerebellum and themedullaoblongata. It receives CSF from the fourth ventricle via themedian aperture (foramen of Magendie). The cisterna...
The spinal cord is a long, thin, tubular structure made up of nervous tissue that extends from themedullaoblongata in the brainstem to the lumbar region...
fossa ofthe cranium. The primary fissure in the vermis curves ventrolaterally to the superior surface ofthe cerebellum, dividing it into anterior and...
Hind-brain of a human embryo of three months—viewed from behind and partly from left side. Section ofthemedullaoblongata at about the middle ofthe olive...
and cuneate nuclei of themedullaoblongata. These second-order neurons begin in the gracile and cuneate nuclei in themedulla. They receive input from...
distinguished in the cerebellum: the flocculonodular lobe, theanterior lobe (rostral to the "primary fissure"), and the posterior lobe (dorsal to the "primary...
1913, Sterzi published a study on the development of mammalian central arteries in the spinal medulla, medullaoblongata, and pons (Sterzi, 1913). He observed...
on the contralateral side ofthe brainstem via climbing fibers. Although the inferior olive lies in themedullaoblongata and receives input from the spinal...
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