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Head & Neck Q2.1

Ventricles & CSF

QuestionAnswer
What structure are ventricles derived from? Neural Tube
What separates the right and left lateral ventricles at the midline? Septum Pellucidum
What is the midline ventricle that separates the right and left portions of the thalamus? Third Ventricle
What connects the right and left portions of the thalamus? Massa Intermedia
What are the two openings that connect that lateral ventricles to the third ventricle? Interventricular Foramen
What is the narrow channel passing along the mid-line through the midbrain? (Hint: Connects the third and fourth ventricles) Cerebral Aquaduct
What structure is the midline ventricle located between the base of the cerebellum and the posterior side of the brainstem? Fourth Ventricle
What is the very narrow space running down the center of the spinal cord? Central Canal
What two spaces does the cerebrospinal fluid occupy? Ventricles, Central Canal, and Subarachnoid Space
What are the three functions of cerebrospinal fluid? 1. To act as a shock absorber for the brain and spinal cord2. To transport nutrients and remove waste products3. To maintain proper ion (Na+, K+) balance for nervous tissue
What continuously produces cerebrospinal fluid? Choroid Plexus
Where is the choroid plexus located? In the walls of the lateral, third, and fourth ventricles
Via what structure is cerebrospinal fluid continuously removed from the subarachnoid space? Arachnoid Granulations
Created by: enroth
 

 



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