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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.
Function. This small artery supplies the superior colliculus, inferior colliculus, and tectum of midbrain. References This page ...
The tegmentum is the location of several cranial nerve nuclei. The nuclei of CN III and IV are located in the tegmentum portion of the midbrain. The nuclei of CN V to VIII are located in the tegmentum at the level of the pons. The nuclei of CN IX, X, and XII are located in that of the medulla. [citation needed]
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]
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.
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]
The commissure of superior colliculus, also called the commissure of superior colliculi is a thin white matter structure consisting of myelinated axons of neurons and joining together the paired superior colliculi. [1] It is evolutionarily one of the most ancient interhemispheric connections.
Definitions of abbreviations. IC = Inferior colliculus EE (Excitatory excitatory) type neurons are characterized by excitatory responses to monaural stimulations of both ears. This response may either be higher than the monaural response (EE– facilitation) Or lower (EE– occlusion)