A PHYSIOLOGICAL AND HISTOLOGICAL STUDY OF THE FRONTAL CORTEX OF THE SEAL (PHOCA VITULINA)

Autor:	David McK. Rioch
Rok vydání:	1937
Předmět:	Frontal cortex medicine.anatomical_structure Cortex (anatomy) medicine Anatomy Biology Thionine stain General Agricultural and Biological Sciences biology.organism_classification Phoca
Zdroj:	The Biological Bulletin. 73:591-602
ISSN:	1939-8697 0006-3185
DOI:	10.2307/1537617
Popis:	The exposed cortex of the frontal lobes of the left hemispheres of six young seals (Phoca vitulina) under dial anaesthesia was stimulated electrically. Movements of the tail, both hind-flippers and the contralateral fore-flipper, neck and face were evoked. The cortical localization is charted in Fig. 2.Histological examination (thionine stain) of three frontal lobes revealed a well-developed cortex divisible into cytoarchitectural areas structurally similar to those in other carnivores, but differing in their extent and their relation to the sulci (Fig. 2).On the basis of a comparison of the seal with the terrestrial carnivores it is concluded that the degree of differentiation of the cortical representation is to be correlated with function and not with form.
Databáze:	OpenAIRE
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