pithing


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pithing

 [pith´ing]
destruction of the brain and spinal cord by thrusting a blunt needle into the vertebral canal and cranium, done on animals to destroy sensibility preparatory to experimenting on their living tissue.

pithing

[pith′ing]
Etymology: AS, pitha
the destruction of the central nervous system of an experimental animal in preparation for physiological research. It is usually done by inserting a blunt probe through a foramen.

pithing

(pith'ing) [ME. pithe]
Destruction of the central nervous system by the piercing of brain or spinal cord, as in vivisection. This is done on experimental animals to render them insensible to pain and to inhibit controlling effects of the central nervous system during research and experimentation.
See: decerebration

pithing

1. destruction of the brain and spinal cord by thrusting a blunt needle into the vertebral canal and cranium, done on animals to destroy sensibility preparatory to experimenting on their living tissue.
2. an abattoir method of euthanasia; the animal is stunned by a captive bolt pistol and a cane or coiled wire passed into the cranium through the hole. The brain is destroyed by moving the cane about.