Diencephalon Anatomy Flashcards
name the four parts of the diencephalon
thalamus
epithalamus
hypothalamus
subthalamus
what does the epithalamus become?
pineal gland
what is role of pineal gland?
secrete melatonin and regulate circadian rhythms
name the six subnuclei of the thalamus
VPL (ventralposterolateral) VA (ventral anterior VL ventral lateral VPM ventralpostero medial LGN lateral geniculate nucleus MGN medial geniculate nucleus
what is the input to the VPL?
spinothalamic and dorsal column medial lemniscus
what is the senses that the VPL receives?
vibration, pain, pressure, proprioception, touch and temp
where does the VPL project to?
somatosensory cortex
what is the input of the VPM (ventral posteromedial)
trigeminal and gustatory pathway
what are the sensed of the VPM?
face sensation and taste
where does the VPM project to?
somatosensory cortex
what is the input to the lateral geniculate nucleus?
CNII, optic chiasm and optic tract
what is the sense of the lateral geniculate nucleus?
vision
where does the lateral geniculate nucleus project from the thalamus?
primary visual cortex
what is the input of the medial geniculate nucleus?
superior olive and inferior colliculus of the tectum
what is the sense of the medial geniculate nucleus?
hearing