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The corpora quadrigemina are reflex centers involving vision and hearing. It consists of groups of nerve cells-grey matter scattered in white matter. It basically connects the forebrain and the hind brain. It has four corpora quadrigemina which are the reflex centres of eye movement and auditory responses.
Corpora quadrigemina. 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 ...
The corpora quadrigemina are four mounds, called colliculi, in two pairs – a superior and an inferior pair, on the surface of the tectum. The superior colliculi process some visual information, aid the decussation of several fibres of the optic nerve (some fibres remain ipsilateral), and are involved with saccadic eye movements .
The descending upper fibers from the internal capsule continue on through the midbrain and are then seen as the fibers in the cerebral peduncles. [5] The corticopontine fibers are found in the outer and inner third of the cerebral peduncle, these are the cortical input to the pontine nuclei. [6]
5: Corpora quadrigemina 6: Cerebral peduncle 7: Superior medullary velum 8: Ependymal lining of ventricle 9: Pontine cistern of subarachnoid space. There is a choroid plexus in each of the four ventricles. In the lateral ventricles, it is found in the body, and continued in an enlarged amount in the atrium. There is no choroid plexus in the ...
Human vestibular system of the semicircular canals in the inner ear. The vestibular system, in vertebrates, is a sensory system that creates the sense of balance and spatial orientation for the purpose of coordinating movement with balance.
Scheme of roof of fourth ventricle. 1. Posterior medullary velum 2. Choroid plexus 3. Cisterna cerebellomedullaris of subarachnoid cavity 4. Central canal 5. Corpora quadrigemina 6. Cerebral peduncle 7. Anterior medullary velum 8. Ependymal lining of ventricle 9.
Pages in category "Corpora quadrigemina" The following 5 pages are in this category, out of 5 total. This list may not reflect recent changes. ...