Gross Brain Flashcards
What is the Neuraxis?
The long axis of the brainstem
Brain Subdivisions
Rhombencephalon, Mesencephalon, Prosencephalon
division of rhombencephalon
Myelencephalon, Metencephalon
division of prosencephalon
diencephalon, telencephalon
division that produces Medulla Oblongata
myelencephalon
division that produces pons and cerebellum
metencephalon
division that produces “in between brain”
diencephalon
division that produces cerebral hemispheres
telencephalon
ventrical that forms rhombencephalon
4th
ventrical that forms telencephalon
lateral ventricals (1st and 2nd)
ventrical that forms diencephalon
3rd
ventrical that forms mesencephalon
cerebral aqueduct
small molecule neurotransmitters
Glutamate, GABA, ACh
Monoamines
Dopamine, Norepinephrine, Epinephrine, Seratonin
Neuropeptides
ACTH, Substance P
A group of nerve cell bodies in the CNS
nucleus
A group of nerve cell bodies in the PNS
Ganglion
Ipsilateral
axon terminates on the same side as the cell body
Contralateral
axon terminates on the opposite said as the cell body
bilateral
the axon divides and runs and terminates on both sides
commissure
fibers pass directly from one side of the brain to the other
Meninges
Dura Mater, Arachnoid mater, pia mater
two layers of dura mater that line the skull
Endosteal, Meningeal
Dura Septa
Falx cerebri, tentorum cerebelli (tentorial incisure)