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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 _______.
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ectodermal; neural tube
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The brain and the spinal cord comprise what?
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CNS
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Cranial nerves and ganglia, spinal nerves and dorsal root ganglia, sympathetic and parasympathetic nerves and ganglia, enteric nervous system comprise what?
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PNS
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The Proencephalon, Mesencephalon, and Rhombencephalon are also known by what terms?
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forebrain, midbrain, hindbrain, respectively.
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The Proencephalon (forebrain)is made up by the _______ and the ______.
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Telencephalon; Diencephalon
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The cerebral hemispheres, the cerebral cortex, the subcortical white matter, the basal ganglia, and the basal forebrain nuclei comprise what?
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Telencephalon
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the thalamus, hypothalamus, and epithalamus comprise what?
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Diencephalon
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The Mesencephalon (midbrain) is made up by the ______, ______, and _____.
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cerebral peduncles, midbrain tectum, and midbrain tegmentum
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The Rhombencephalon (hindbrain)is comprised by the ______ and ______.
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Metencephalon and Myelencephalon
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The pons and cerebellum form the _______.
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Metencephalon
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The medulla is what component of the Rhombencephalon?
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Myelencephalon
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CSF is formed mainly by vascular tufts lying within the ______ and the ______.
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ventricles and choroid plexus
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CSF circulates from the _____ ventricles to the _____ ventricle, and then leaves the ventricular system via _____ in the ______ ventricle.
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lateral; third; foramina; fourth
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Once CSF leaves the ventricular system, it travels in the space between the _______ and ______ layers and is ultimately reabsorbed into the venous system.
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arachnoid and pia
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The CNS is covered by three membranous protective layers called _______.
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meninges
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Moving from innermost to outermost, the meminges are arranged in what order?
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pia, arachnoid, dura (i.e., "PAD")
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What plane has an orientation "toward the earth?"
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ventral (belly)
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What plane has an orientation "toward the sky?"
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Dorsal (back)
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What plane has an orientation "toward the snout?"
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Rostral (beak)
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What plane has an orientation "toward the tail?"
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Caudal (tail)
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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?
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below
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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?
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above
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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
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1=D, 2=C, 3=B, 4=A
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What are the three planes of section in CT and MRI?
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horizontal, coronal, sagittal
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