Which cell is phagocytic?
Divides the body into left and right halves
Found in low concentrations in the CNS
Connects Weinecki's to Brocca's
Where did cerebellum develop from?
Which is not in the forebrain?
Which are derived from neural crest cells?
Which lobe deals with emotions?
How much CSF in a normal cross section?
Anterior cerebral artery
Which artery crosses corpus callosum?
Induction of ectoderm
What is the importance of the notochord?
Most common synapse
What is gray matter in the midbrain?
What connects the third and lateral ventricles?
Dorsal in the spinal cord and lateral in the brain stem
Which are sensory?
Vision in the
Great cerebral vein of Galen
Internal structures of the brain drained by
Adjacent to the midbrain is the
What drains the cranium?
What makes the CSF?
What is a bundle of nerve fibers in the CNS?
Posterior cerebral artery
What artery supplies the visual cortex?
Which microglial cell myelinates the CNS?
Which microglial cell myelinates the PNS?
Which are neural crest cells?
What lines the ventricles
What kind of fiber is the corpus callosum?
Where is the cerebellum?
During a lumbar puncture, what is not punctured?
What lobe is somatosensory?
Where is CSF located?
What is gray matter of midbrain?
What is most rostral part of CNS?
Which week does nervous system development start in embryo?
Which develops from the telencephalon?
What cell type is in the DRG?
What is the area for speech?
2nd order neurons
Sensory info arriving at one side of the body or head typically reaches the cerebral cortex on the other side. The axons that cross the midline to accomplish this are
Which pathway carries pain sensation to the cerebrum?
63 y/o man has loss of discriminative touch, vibratory sense, and proprioception in right arm. Where are the cell bodies located for the 2nd order neurons in the pathway located?
Dermatome of upper arm
Free nerve ending
This is a type of nociceptor
Stimulus of a stretch receptor
Follicular receptor is a
Which is not encapsulated?
Which is for vibration?
Pain sensation to the cerebellum
Left arm/leg weakness
what does not contain corticobulbar fibers?
Patellar reflex is
Fibers cross =
Decrease over time
Aging motor units
How many neurons involved in a reflex?
Upper arm =
Golgi tendon organ
This prevents excessive contraction
These receptors are within the body
Lateral vestibular nucleus
The vestibulospinal tract nucleus is located here
Tegmentum of pons, medulla, and midbrain
Reticular formation is in the
Gray matter of spinal cord
Alpha motor neurons are where?
Proprioceptive sensation of lower limb is from where?
Tract that turns your head in response to a stimulus
Which reflex requires synapses over several spinal segments?
Area of skin innervated by a single nerve and its receptors is called a
Internal arcuate fibers
What are the crossing fibers of the gracile nucleus called?
Posterior spinocerebellar tract originates from which nucleus?
In Dorsal root ganglion
Gracile nucleus/fasciculus is located where?
Reticular activating system
Level of awareness
What is involved in pupillary light reflex?
Cold/warm water in the ear
I, VII, X
Nerves involved in Special Visceral Afferent
Trigeminal and facial
Two nerves involved in corneal reflex
Branch of trigeminal nerve that is motor
These are concentrated in the fovea
They go to the anterior 1/3 of tongue (they don't really)
Which is not true of nerves of the solitary tract?
What do these things have in common?
What does CN VI control?
What is sensory organ for dynamic equilibrium?
Hypoglossal nerve is
Utricle and Saccule
If you run into a tree
What nerve does taste on epiglottis?
CN III (Oculomotor)
Which nerve has parasympathetic component?
Shine light -> Right eye no contraction left eye contraction, what nerve is damaged?
What functional component is parasympathetic?
Which nerve innervates the muscles of mastication?
Where do ganglia cells not terminate?
Right abducens, left oculomotor
When looking at something on the right
Ascending MLF ends in
Pharyngeal and laryngeal muscles innervated by muscle fibers from
Afferent limb of reflexes/Modulates cardiac and respiratory function
What does the solitary tract convey?
If there is a lesion here you can't taste
Trigeminal and Facial nerves
What innervates the tensor timpani and stapes?
Primary decussation of auditory?
Number of functional components of brainstem?
Many crossovers = Exact hearing
Which is true (crossovers and hearing)
What is not a direct target of axon cells?
Of nerves 4, 7, 8, and 10, which has a different function?
What is not a part of the auditory cortex?
Opthalmic, trigeminal, spinal trigeminal, and primary sensory area
Order of ascending pathway of conscious awareness?
What is not made by the anterior pituitary?
Where do Perkinje fibers project?
All of the above (DRG, pain, distention)
Autonomic afferents carry what?
Olfactory tract is an outgrowth from where?
Preganglionic sympathetic fibers are what?
Fimbrae of Hippocampus to Mammillary body
Fornix originates from where and goes to where?
Major decussation of auditory is
Which of the following is not part of the epithalmus?
Which of the olfactory crosses over?
Organ of Corti...
Hypothalamus is separated by what?
What senses pain in the face?
Intention tumor would be caused by a lesion to which?
Substantia Nigra/Dopamine Depletion
What is a Basal Ganlia problem?
Resistance to passive movement
Dorsal Motor Nucleus of Vagus
Parasympathetic innervation to the heart is from what?
Olfactory nerve body is in what?
Glomeruli of olfactory bulb
Olfactory axon synapses in what?
Where is the reward center?
Which is not part of the Basal Ganglion?
Inferior Olivary nucleus
Climbing fibers originate where?
Lateral geniculate nucleus
Which thalamic nucleus is involved with the visual cortex?
S2-S4 fibers are what?
Cochlear nucleus receives afferents from where?
Which is not involved in motor movement?
This can't be mapped in the brain
Olfactory glomeruli contain fibers of what?
Neurons of the posterior pituitary
Vasopressin is released from where?
Monty Python rabbits running
These cross over the contralateral olfactory
What is not part of epithelial?
Which area is postrema/Outside the blood brain barrier?
Pelvic Splanchnic related to what?
Postganglionic lacrimal gland is what?
Dorsal motor nucleus of Vagus
Innervation of the heart comes from where?
Internal Salivitory Nucleus
Preganglionic GVE of Otic gland?
The hypothalamus secretes this
Lateral geniculate nucleus is for what?
Every 1-3 months
Olfactory epithelium is replaced how often?
If you inject intravenous dye it shows where?
White rami communicans are found where?
Memory related to what?
This contains olfactory receptor cells
CNS is from what germ layer?
Cerebral cortex can have up to how many lamina?
What artery supplies lateral cerebrum?
Between 3rd and 4th ventricles
Where is Cerebral aqueduct?
Ectoderm to form the neural plate
Notochord stimulates the _____ to form the _____
Follicular/Merkel/Free nerve endings
Wich receptors are not myelinated?
Middle cerebral artery
What artery runs along the lateral sulcus?
Inferior olivary nucleus
What is not part of auditory pathway?
Scala media contains what?
Intermediate olfactory striae
Which olfactory striae is involved in conscious perception of smell?
What olfactory striae is contralateral?
Trigmeninal (afferent) and Facial (efferent)
Corneal blink reflex involves?
How many functional components are in the brainstem?
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