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The brachium of superior colliculus (or superior brachium) is a branch that extends laterally from the superior colliculus, and, passing to the thalamus between the pulvinar and the medial geniculate nuclei, is partly continued into an eminence called the lateral geniculate nucleus, and partly into the optic tract.
Download as PDF; Printable version; ... Function. This small artery supplies the superior colliculus, inferior colliculus, and tectum of midbrain. ...
English: Diagram of the superior colliculus of the human midbrain (shown in dark red) and surrounding regions. The superior colliculus is surrounded by a red ring and transparent red circle to indicate its location. A: Midbrain; B: Pons; C: Medulla oblongata; D: Spinal cord; E: Fourth ventricle; F: Arbor vitae; G: Flocculus; H: Tonsil; I ...
Inferior colliculi; Superior colliculi; Pretectum; Tegmentum. Periaqueductal gray; Rostral interstitial nucleus of medial longitudinal fasciculus; Midbrain reticular formation; Dorsal raphe nucleus; Red nucleus; Ventral tegmental area. Parabrachial pigmented nucleus; Paranigral nucleus; Rostromedial tegmental nucleus; Caudal linear nucleus ...
Diagram of the midbrain, sectioned at the level of the superior colliculus (Central tegmental tract not labeled, but region is visible.) Axial section of the Brainstem (Pons) at the level of the Facial Colliculus (Central tegmental tract not labeled, but region is visible.)
The red nucleus or nucleus ruber is a structure in the rostral midbrain involved in motor coordination. [1] The red nucleus is pale pink, which is believed to be due to the presence of iron in at least two different forms: hemoglobin and ferritin. [2]
In humans, the tectospinal tract (or colliculospinal tract) is a decussating extrapyramidal tract that coordinates head/neck and eye movements. [1]It arises from the superior colliculus of the mesencephalic (midbrain) tectum, and projects to the cervical and upper thoracic spinal cord levels. [2]
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.