Definition of colliculus in English:
colliculus
nounPlural colliculikəˈlɪkjʊləskəˈlikyələs
Anatomy Any of a number of small swellings in the roof of the midbrain, involved in vision and hearing.
Example sentencesExamples
- Each sensory input is distributed across the superior colliculus to form a neural ‘map’ in a particular layer of the nucleus.
- This decussation occurs in the midbrain tegmentum at the level of the inferior colliculi.
- For example, the analysis found a relative increase in the distance between the superior colliculus and the splenium of the corpus collosum in patients.
- The posterior thalamic or pulvinar nuclei project backwards over the superior colliculi of the midbrain.
- Normally it extends caudally over the superior colliculi of the midbrain.
Derivatives
adjective
Anatomy However, some collicular neurons are known to exhibit ipsilateral inhibitory regions.
Example sentencesExamples
- The responses of Müller cells were stronger following intraocular injections of collicular proteoglycan than as a result of the Wallerian degeneration of 80% of retinal ganglion cells.
- Cerebellotectal pathways in the macaque: Implications for collicular generation of saccades.
- Unilateral kindling of the inferior collicular cortex does not transfer to the contralateral seizure sensitive site or alter [3H] flunitrazepam and [35S] TBPS binding.
Origin
Mid 19th century: from Latin, diminutive of collis 'hill'.