spinal cord and brainstem TERMS Flashcards
SOMATIC
skin (dermis), muscles & joint structures
SOMATOTOPY
stematic mapping / representation of the body in the NS
GREY MATTER
nerve cell bodies, synapses & interneurons
NUCLEI
groups of nerve cell bodies in the CNS
GANGLIA
groups of nerve cell bodies in the PNS
WHITE MATTER
nerve fibres / axons, myelinated
COLUMN
Area of white matter in the spinal cord
TRACT / FASCICULUS
group of similar ascending or descending nerve fibres
LEMNISCUS
“ribbon”, group of homogenous axons ascending through the brainstem
cerebral peduncles
cerebrum > midbrain
pons transverse fibres
travell to cerebellum
pons : basilar sulcus
basilar artery lies here
superior cerebellar peduncle
cerebellum > midbrain
middle cerebellar peduncle
cerebellum > pons
inferior cerebellar peduncle
cerebellum > medulla oblonganta