mesencephalotomy

mesencephalotomy

 [mez″en-sef″ah-lot´ah-me]

surgical production of lesions in the midbrain for the relief of intractable pain.

mes·en·ceph·a·lot·o·my

(mes'en-sef'ă-lot'ŏ-mē),

1. The sectioning of any structure in the midbrain, especially of the spinothalamic tracts for the relief of intractable pain or the cerebral peduncle for dyskinesias.

2. A mesencephalic spinothalamic tractotomy.

[mesencephalon + G. tomē, incision]

mesencephalotomy

(mĕz′ĕn-sĕf′ə-lŏt′ə-mē, mĕs′-)

n.

Surgical sectioning of any structure in the mesencephalon, especially of the pain-conducting tracts for the relief of unbearable pain.

mes·en·ceph·a·lot·o·my

(mes'en-sef'ă-lot'ŏ-mē)

1. The sectioning of any structure in the midbrain, especially of the spinothalamic tracts for the relief of intractable pain or the cerebral peduncle for dyskinesias.

2. A mesencephalic spinothalamic tractotomy.

[mesencephalon + G. tomē, incision]