Flashcards in Chapter 35 Primary Intracranial Neoplasm Deck (18):
Frontal and parietal lobes are separated by?
Frontal and temporal lobes are separated by?
Parietal and occipital lobes are separated by?
What constitute Diencephalon
Thalamus and pineal region
What is the function of internal capsule?
It carries motor fibers(UMN) from cortex to brainstem and spinal cord
What cranial nerve nuclei are located in mesencephalon/midbrain?
CN III, IV, proprioceptive division of V
Superior and inferior colliculi in midbrain regulate?
Superior colliculi regulate eye movement
Inferior colliculi regulate hearing impulse
Which is the only cranial nerve exit dorsally from midbrain?
CN IV Trochlear
Which cranial nerve nuclei are located in Pons?
Motor and tactile sensory nuclei for trigeminal nerve
Which cranial nerve emerge from lateral surface of pons?
What cranial nerves emerge between pons and medulla?
CN VI, VII, VIII
What cranial nerve nuclei are located in medulla?
CN VI, VII, VIII, IX, X, XI, XII
Describe CSF pathways
Lateral ventricle -> Foramina of Munro -> Third ventricle -> Aqueduct of Sylvius -> Fourth Ventricle -> Midline Foramen of Magendie and two Lateral Foramina of Luschka -> Subarachnoid space
CSF resorption occurs at?
Arachnoid granulation or Pacconian granulations
What percentage incidence of primary brain tumor in children associated with prophylactic cranial irradiation for acute leukemia?
What are the causes associated with development of CNS tumors?
Occupational Farmer, petro-chemical worker
Arrange brain tumors that cause edema in descending order