A cytoarchitectonic volumetric comparison of the area gigantopyramidalis in wild and domestic sheep
- Peter EbingerAffiliated withInstitut für Zoologie der Tierärztlichen Hochschule Hannover
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The area gigantopyramidalis has been circumscribed on frontal serial sections of brains of mouflons (Ovis ammon musimon) and domestic sheep (Ovis ammon f. aries). A brief description of the topography and lamination of the area 4 is given.
By means of intraspecific-allometric methods this area has shown a decrease in volume by 29.9% in domestic sheep compared with wild sheep.
In view of the close relationship between size and function of a structure the reduction rates of the area gigantopyramidalis, the cerebellum and the basal ganglia are discussed as due to the special environmental changes caused by domestication.
Key wordsSheep Brain Motor cortex Domestication
- A cytoarchitectonic volumetric comparison of the area gigantopyramidalis in wild and domestic sheep
Anatomy and Embryology
Volume 147, Issue 2 , pp 167-175
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- Motor cortex
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- Peter Ebinger (1)
- Author Affiliations
- 1. Institut für Zoologie der Tierärztlichen Hochschule Hannover, Hannover, Germany