In MRI Studies of Brain Anatomy in Identical Twins Discordant

question 28

Multiple Choice

In MRI studies of brain anatomy in identical twins discordant for schizophrenia, the schizophrenic twin usually

• A) had smaller lateral and third ventricles.
• B) had larger lateral and third ventricles.
• C) had a larger anterior hippocampus.
• D) showed a smaller corpus callosum.
• E) had a thinner cerebral cortex.

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Definitions:

Anatomical Description

involves detailing the structure, position, and relationships of body parts to one another.

Olecranon Fossa

A large depression located on the posterior aspect of the humerus, accommodating the olecranon of the ulna when the arm is extended.

Olecranon Process

The bony projection at the upper end of the ulna, forming the point of the elbow.

Ulnar Notch

A small depression on the distal end of the radius bone, where it articulates with the head of the ulna bone in the forearm.