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Lab 01, Page 5 of 38
Use the hemisected brain for the study of the lateral, basal and medial surfaces of the cerebrum. Note that no two brains, nor two halves of the same brain, are quite alike in their surface pattern. Many of the major sulci and gyri, however, are generally constant in shape and position. Do not let the inconsistent use of the terms fissures and sulci disturb you. The term fissure is supposed to indicate a groove that is deeper than a sulcus, but many times the words are used interchangeably.
The brain consists of the following subdivisions:
Prosencephalon (forebrain)
Brain Stem
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