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April 1931

THE HYPOTHALAMUS: A SEGMENTAL STRUCTURE AND A REGULATOR OF GLANDULAR ACTIVITY AND METABOLISM

Arch NeurPsych. 1931;25(4):824-828. doi:10.1001/archneurpsyc.1931.02230040158007
Abstract

Since the two major subjects in the title deal with the question of segmental and suprasegmental structures, on the one hand, and the control of glands on the other, some definitions are in order to clear the way for the presentation of the proofs which can be offered to substantiate the thesis of the paper.

By segmentation is meant a process of division of the body and its controlling nervous system from head to tail-end in such a manner that, in primitive animals at least, each segment is identical to each of the others. In the process of evolution changes have occurred in many segments, particularly in those of the cephalic and caudal ends. The intermediary segments in some instances are also modified. However, in spite of this, the segments of the body are recognized with comparative ease, and so far as their neural elements are concerned, each has an

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