| APTN | anterior pretectal nucleus |
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| pretectal area | A narrow, transversally oriented rostral zone of the mesencephalic tectum, bounded caudally by the superior colliculus, rostrally by the habenular trigone, and laterally by the pulvinar thalami; the area contains several nuclei that receive fibres from the optic tract; it has bilateral efferent connections with the Edinger-Westphal nucleus of the oculomotor nuclear complex by way of which it mediates the pupillary light reflex. Synonym: pretectal region, pretectum. (05 Mar 2000) |
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| pretectal nucleus | Group of cells, constituting several subnuclei, located rostral to the superior colliculus in the "pretectal" area; receive input from retinal ganglion cells (via the optic tract) and project bilaterally to the Edinger-Westphal nucleus; relay centre for pupillary light reflex pathway. (05 Mar 2000) |
| pretectal region | A narrow, transversally oriented rostral zone of the mesencephalic tectum, bounded caudally by the superior colliculus, rostrally by the habenular trigone, and laterally by the pulvinar thalami; the area contains several nuclei that receive fibres from the optic tract; it has bilateral efferent connections with the Edinger-Westphal nucleus of the oculomotor nuclear complex by way of which it mediates the pupillary light reflex. Synonym: pretectal region, pretectum. (05 Mar 2000) |
| pretectal |
transitional zone of the brainstem between the midbrain and diencephalons.
Ãâó: www.utoronto.ca/neuronotes/NeuroExam/glossary.htm
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| pretectal a. |
an area at the junction of the mesencephalon and diencephalon, extending from a position dorsolateral to the commissure of the epithalamus toward the cranial colliculus, within which is situated the pretectal nucleus; called also pretectal region.
Ãâó: www.mercksource.com/pp/us/cns/cns_health_library.j...
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| pretectal r. |
area pretectalis.
Ãâó: www.mercksource.com/pp/us/cns/cns_health_library.j...
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