Central Nervous System: Brain | Central Nervous System: Spine | Peripheral Nervous System: Spine | Peripheral Nervous System: Cranial Nerves | Embryologic Perspective |
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What is a sulcus?
A groove between two gyri.
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What is inside the central canal?
Cerebrospinal fluid
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What is a plexus?
Network of fibers/nerves in a particular part of the the spinal cord
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What nerves are responsible for smell and vision?
Olfactory and optic
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What brain vesicles/sections are developed in a 3-4 week embryo?
Prosencephalon, mesencephalon, rhombencephalon
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What are the four lobes of the cerebral cortex?
Frontal Lobe, parietal lobe, occipital lobe, temportal lobe
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What the spinal cord is mainly composed of.
Gray and white matter.
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How many plexus are there in the spine?
Four bundles of them in spine.
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How many cranial nerves are there?
Twelve of these in the brain.
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What brain vesicles/sections are developed in a 5 week embryo?
Telencephalon,Diencephalon, mesencephalon, metencephalon, myelencephalon.
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What is Broca's area?
Area of the brain responsible for language and controlling speech movements.
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What are descending tracts?
Roads from the brain that carry motor commands.
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Name the four major nerve plexus in the spine?
Cervical, brachial, lumbar, and sacral
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What nerves are responsible for eye movement?
Oculomotor, trochlear, and abducens all have the same function.
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What is cephalic flexure?
Major curve between the brain stem and forebrain that allows humans to see forward versus upward.
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What is the limbic system?
A collection of structures involved in emotion, memory and behavior.
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What is cauda equina?
Long bundle of nerves that resemble a horse's tail
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What are the three main nerves in the sacral plexus?
Sciatic, tibial, common peroneal
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What nerves runs through the jugular foramen?
Glossopharyngeal, Vagus, and Accessory have the same passage into the skull.
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What is spina bifida?
Birth defect where the spinal cord does not develop properly. Can create protrusion outside body or cause vertebral column to not fully grow.
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What are the senses of body position and movement?
Proprioception and kinesthesia.
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What is a lateral horn?
Gray horn found only in the thoracic, upper lumbar, and sacral regions of the spinal cord.
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What is the specific origin of the brachial plexus?
C5-T1
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Where is the vagus nerve's central connection?
Medulla oblongata is the central connection.
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What is the Greek root word for "pros"? Example: prosencephalon.
Greek root for "in front"
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