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24 Cards in this Set

  • Front
  • Back
The CNS arises from a sheet of ________ cells that folds over during embryological development to form the _______.
ectodermal; neural tube
The brain and the spinal cord comprise what?
CNS
Cranial nerves and ganglia, spinal nerves and dorsal root ganglia, sympathetic and parasympathetic nerves and ganglia, enteric nervous system comprise what?
PNS
The Proencephalon, Mesencephalon, and Rhombencephalon are also known by what terms?
forebrain, midbrain, hindbrain, respectively.
The Proencephalon (forebrain)is made up by the _______ and the ______.
Telencephalon; Diencephalon
The cerebral hemispheres, the cerebral cortex, the subcortical white matter, the basal ganglia, and the basal forebrain nuclei comprise what?
Telencephalon
the thalamus, hypothalamus, and epithalamus comprise what?
Diencephalon
The Mesencephalon (midbrain) is made up by the ______, ______, and _____.
cerebral peduncles, midbrain tectum, and midbrain tegmentum
The Rhombencephalon (hindbrain)is comprised by the ______ and ______.
Metencephalon and Myelencephalon
The pons and cerebellum form the _______.
Metencephalon
The medulla is what component of the Rhombencephalon?
Myelencephalon
CSF is formed mainly by vascular tufts lying within the ______ and the ______.
ventricles and choroid plexus
CSF circulates from the _____ ventricles to the _____ ventricle, and then leaves the ventricular system via _____ in the ______ ventricle.
lateral; third; foramina; fourth
Once CSF leaves the ventricular system, it travels in the space between the _______ and ______ layers and is ultimately reabsorbed into the venous system.
arachnoid and pia
The CNS is covered by three membranous protective layers called _______.
meninges
Moving from innermost to outermost, the meminges are arranged in what order?
pia, arachnoid, dura (i.e., "PAD")
What plane has an orientation "toward the earth?"
ventral (belly)
What plane has an orientation "toward the sky?"
Dorsal (back)
What plane has an orientation "toward the snout?"
Rostral (beak)
What plane has an orientation "toward the tail?"
Caudal (tail)
In humans, the terms Ventral, Dorsal, Rostral, and Caudle apply as if the person is on all fours like a dog ____(above or below?)____ the midbrain?
below
In humans, the terms Ventral, Dorsal, Rostral, and Caudle apply to the brain as if the person is standing upright ____(above or below?)____ the midbrain?
above
Match the terms 1-4 with their corresponding locations A-D: 1=Anterior, 2=Posterior, 3=Superior, 4=Inferior; A=below, B=above, C=rear, D=forward/front
1=D, 2=C, 3=B, 4=A
What are the three planes of section in CT and MRI?
horizontal, coronal, sagittal