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Lecture 27. Gross anatomy brain (1809 words) |
 | The gross anatomy of the brain is organized by embryonic regions. |
| Like the precentral gyrus, the postcentral gyrus is somatopically organized in the mediolateral direction, with cells in the medial portion of the gyrus responding to tactile stimulation of the foot and cells in the lateral part of the gyrus responding to tactile stimulation of the face, jaw, and tongue. |
| The boundary between the parietal and occipital lobes is not clear cut on the gross brain, but in general it is considered to be a hypothetical line drawn from the parieto-occipital fissure dorsally to the preoccipital notch ventrally. |
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