Brain Flashcards
what is the term for brain
encephalon
what is the term for neuronal bodies
perikarya
telencephalon
cerebral cortex, basal nuclei, limbic system
diencephalon
epithalamus, thalamus, hypothalamus
mesencephalon
midbrain
metencephalon
cerebellum and pons
myelencephalon
medulla oblongata
what contributes to the brachial plexus
C6-T2
what contributes to the lumbosacral plexus
L4-S3
what is the end of the spinal cord called
conus medullaris
how many cervical spinal cord segments are there
8
what extends caudally from the conus medullaris
cauda equina
dividing the spinal cord in half dorsally is the ________ median __________ and ventrally is the ____________ median ___________
dorsal median sulcus, ventral median fissure
the blood supply to the spinal cord is (2)
ventral spinal artery and paired dorsolateral spinal arteries
the ventral spinal artery supplies
the grey matter and inner white matter
the dorsolateral spinal arteries supply
the outer white matter
the spinal cord arteries receive blood from
vertebral, thoracic vertebral, intercostal and lumbar arteries
another term for longitudinal fissure
falx cerebri
another term for transverse fissure
tentorum cerebelli
in general, ___________ brains in small animals
smoother
what separates the two cerebellar hemispheres
the cerebellar vermis
the basal ganglia consists of the
globus pallidus and putamen
what produces CSF
choroid plexus
the ventricular system is continuous with the ____________ and _____________ space
central canal and subarachnoid space
where can CSF go from the fourth ventricle
either 1) to the central canal or 2) through lateral apertures into the subarachnoid space
the cerebral aquaduct is flanked by the ________ dorsally and _______ ventrally
tectum; tegmentum
at the termination of the spinal cord, the dura continues as the
filum terminale
where does the epidural space lie
between the vertebrae and the dura