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The cerebral peduncles (In Latin, ped-means 'foot'.) are the two stalks that attach the cerebrum to the brainstem. [1] They are structures at the front of the midbrain which arise from the ventral pons and contain the large ascending (sensory) and descending (motor) tracts that run to and from the cerebrum from the pons.
Inferior cerebellar peduncle is a thick rope-like strand that occupies the upper part of the posterior district of the medulla oblongata. The peduncles form the lateral border of the fourth ventricle, and form a distinctive diamond – the middle peduncle forming the central corners of the diamond, while the superior and inferior peduncles form ...
MRI showing injury due to brain herniation ... Brain herniation is a potentially deadly side effect ... hiatus with associated compression on the cerebral peduncles ...
Kernohan's notch is a cerebral peduncle indentation associated with some forms of transtentorial herniation (uncal herniation). [1] [2] It is a secondary condition caused by a primary injury on the opposite hemisphere of the brain. [3]
The interpeduncular cistern (or basal cistern [1]) is the subarachnoid cistern situated between the dorsum sellae (anteriorly) [2] and the two cerebral peduncles [1] [3] [2] at the front of the midbrain. [3] Its roof is represented by the floor of the third ventricle (i.e. posterior perforated substance, and the two mammillary bodies).
Superior cerebellar peduncles are connected together by the superior medullary velum, which can be followed upward as far as the inferior colliculi, under which they disappear. Below, they form the upper lateral boundaries of the fourth ventricle , but as they ascend they converge on the dorsal aspect of the ventricle and thus assist in forming ...
crus means ‘leg’ in Latin.) is the anterior portion of the cerebral peduncle which contains the motor tracts, traveling from the cerebral cortex to the pons and spine. The plural of which is cerebral crura. In some older texts, this is called the cerebral peduncle, but presently, it is usually limited to just the anterior white matter ...
The inferior cerebellar peduncle is the smallest of the three cerebellar peduncles. The upper part of the posterior district of the medulla oblongata is occupied by the inferior cerebellar peduncle, a thick rope-like strand situated between the lower part of the fourth ventricle and the roots of the glossopharyngeal and vagus nerves.