Oooh the nerve to ask me this question!
The myelin sheath when present does these two things.
What is insulating the nerve from the surrounding tissue?
What is increasing the speed and efficiency of conduction?
Using a brain model, point out the 3 sulci and 2 fissures mentioned in the lab manual.
What are the central, lateral, and parieto-occipital sulci?
What are the transverse and longitudinal fissures?These are the number of pairs of spinal nerves.
What is 31 pairs?
This is broadly defined as the detection of changes in the internal and external environments.
What is sensation?
This cranial nerve passes through the hypoglossal canal of the occipital bone.
What is the CN XII hypoglossal nerve?
These are the nerves found in the sacral plexus.
What is SIPPS?
State the meningeal layers and spaces between the meninges starting from superficial to deep.
What is the dura mater, subdural space, arachnoid mater, subarachnoid space, and pia mater?
The two thicker portions of the spinal cord are called this.
What are the cervical and lumbar enlargements?
Using a plastic model, point out the location of the different papillae?
What is the foliate papilla on the lateral side of the tongue?
What is the circumvallate papilla on the posterior side of the tongue?
What is the filiform papilla, spread throughout the surface of the tongue?
What is the fungiform papilla, which is scattered on the surface of the tongue?This cranial nerve is described as a large mixed located on the lateral side of the pons.
What is the Trigeminal Nerve V?
Using the whiteboard, write the names of the glial cells that produces myelin in the PNS and CNS.
What are the oligodendrocytes for CNS?
What are the Schwann cells for PNS?
Using the white board, trace the flow of CSF.
What is from the lateral ventricles to the interventricular foramen, to the 3rd ventricle, to the cerebral aqueduct, to the 4th ventricle, to the central canal?
The filum terminale is described as this.
What is an extension of the pia mater that anchors the spinal cord to the coccyx?
Name the structures of the membranous labyrinth.
List all the sensory cranial nerves.
What are CN I Olfactory, II Optic, and VIII Vestibulocochlear nerves?
Using the torso ONLY plastic model, identify each nerve of the lumbar plexus.
What is the IIGOLF? Did you use the iliopsoas muscle group to identify them?
Explain the differences in the gray and white matter of the brain and spinal cord.
What is the superficial gray matter and deep white matter in the brain, while a superficial white matter and deep gray matter in the spinal cord?
What are the phrenic nerve and ansa cervicalis?
State the difference between rods and cones.
What is rods are for producing black and white vision only, while, cones are responsible for color and high acuity vision in bright light?
Using a brain plastic model, point out the CN X vagus and CN IX glossopharyngeal nerves.
What is the CN IX located superiolateral of the medulla oblongata and superior to the CN X?
Using the white board, TRACE the trunks, divisions, and cords of the brachial plexus.
What are the superior, middle and inferior trunks?
What are the anterior and posterior divisions for each trunks?
What are the lateral, medial, and posterior cords?
The diencephalon has three parts, match these functions with its three parts:
a) CEO of the endocrine system
b) gateway to the cerebral cortex
c) associated with the pineal gland
What is the epithalamus = c, hypothalamus = a, and thalamus = b?
The meningeal layer of the the dura mater found in the longitudinal fissure is called this.
What is the falx cerebri? What is the other one called?
Using a plastic model, point out the different tunics and an eyeball. State a structure found in each tunic.
What are fibrous, vascular, and nervous tunics?
List all the cranial nerves involved with the extrinsic muscles of the eyes.
What are CN III Oculomotor, CN IV Trochlear, and CN VI Abducens nerves?