Term
| What are three special characteristics of neurons that distinguish them from other kinds of cells? |
|
Definition
| Extreme longevity, Amitotic (do not divide), High Metabolic rate |
|
|
Term
| What fluid fills the ventricles of the brain and the central canal of the spinal cord? |
|
Definition
| Cerebrospinal Fluid (CSF) |
|
|
Term
| Are the ventricles continuous with one another? |
|
Definition
|
|
Term
| In what parts of the brain are the third and fourth ventricles and the cerebral aqueduct located? |
|
Definition
Third: Diencephalon
Fourth: Dorsal to pons and superior to medulla
Cerebral Aqueduct: Between the diancephalon and the pons |
|
|
Term
|
Definition
| Eleveated ridges of tissue |
|
|
Term
|
Definition
| Shallow grooves that separate gyri |
|
|
Term
| Parts of the Diencephalon |
|
Definition
| Hypothalamus, thalamus, pineal gland/pineal body, pituitary gland, mamillary bodies |
|
|
Term
|
Definition
| Corpora quadrigemina: Superior Colliculi, Inferior Colliculi |
|
|
Term
|
Definition
|
|
Term
| What parts of the brain comprise the brain stem? |
|
Definition
| Midbrain, pons, medulla oblongata |
|
|
Term
| Ventral surface of a human brain model |
|
Definition
| Olfactory bubl, optic nerves, optic chiasma, optic tracts, mammillary bodies, pituitary gland, pons, medulla oblongata |
|
|
Term
| Saggital Section of a human brain model |
|
Definition
| Corpus callosum, third ventricle, fourth ventricle, thalamus, hypothalamus |
|
|
Term
|
Definition
| Dura Mater, arachnoid mater, pia mater |
|
|
Term
|
Definition
| Falx cerebri, falx cerebelli, tentorium cerebelli |
|
|
Term
|
Definition
| fold that dips into the longitudinal fissure between cerebral hemispheres |
|
|
Term
|
Definition
| Fold that continues vertically through the cerebellum |
|
|
Term
|
Definition
| fold that "tents" over the cerebellum horizontally |
|
|
Term
| Which is the innermost meningeal layer? |
|
Definition
|
|
Term
| What is the outermost meningeal layer? |
|
Definition
|
|
Term
| What is the name of the space between the arachnoid mater and the pia mater? What is contained within that space? |
|
Definition
| Subarachnoid space. CSF and also contains the largest blood vessels serving the brain |
|
|
Term
| What is the name of the space between the dura mater and the arachnoid mater? |
|
Definition
|
|
Term
| What are the dural septa? What is their function? |
|
Definition
| Dural septa: dura mater extends inward to form flat partitions that subdivide the cranial activity which limit excessive movement of the brain within the cranium |
|
|
Term
| What is the falx cerebri attached to at its anterior end? |
|
Definition
| Cristae Galli of the ethmoid bone |
|
|
Term
| Where does the spinal cord begin and end? |
|
Definition
| Foramen magnum > 1st or 2nd Lumbar vertebrae |
|
|
Term
| What protects the spinal cord from injury? |
|
Definition
|
|
Term
| What fills the subarachnoid space of the spine? |
|
Definition
|
|
Term
| What is a lumbar puncture? Where is the needle inserted? Why is the needle inserted at this location? What fluid is obtained by the procedure? |
|
Definition
| A procedure to withdraw CSF to test. Taken from L4/L5. Its close enough to the spinal cord to withdraw CSF without stabbing the spinal cord |
|
|
Term
| What is the cauda equina? |
|
Definition
| The "Horses Tail". Nerves extending inferiorly from spinal cord |
|
|
Term
|
Definition
| Interlacing nerve networks formed by ventral rami that branch and join one another lateral to the vertebral column |
|
|
Term
| Parts of a cross section of the spinal cord |
|
Definition
| Central canal, dorsal root ganglion, posterior (dorsal) median sulcus, anterior (ventral) median fissure, dorsal root, ventral root, Gray Matter, and White Matter |
|
|
Term
| Parts of the Gray Matter of the spinal cord |
|
Definition
| Posterior (dorsal) horns, anterior (ventral) horns, lateral horns, gray commisure |
|
|
Term
| Parts of the White Matter |
|
Definition
| Posterior funiculus, lateral funiculus, anterior funiculus |
|
|
Term
|
Definition
| Pia, arachnoid, and dura mater |
|
|
Term
| How do gray and white matter differ? |
|
Definition
Gray matter: All non-myelinated
White Matter: Myelinated funiculi |
|
|
Term
| What is contained within the dorsal root ganglion? |
|
Definition
| Cell bodies of the associated sensory neurons |
|
|
Term
| What does the word funiculus mean? |
|
Definition
| Myelin-covered axons, dense collections of myelinated fibers |
|
|
Term
| What is contained within the epidural space? |
|
Definition
|
|
