hemithermoanesthesia

hem·i·ther·mo·an·es·the·si·a

(hem'ē-ther'mō-an'es-thē'zē-ă),
Loss of sensibility to heat and cold affecting one side of the body.

hemithermoanesthesia

(hĕm″ē-thĕr″mō-ăn″ĕs-thē′zē-ă) [Gr. hemi-, half, + therme, heat, + an-, not, + aisthesis, sensation]
The unilateral loss of sensitivity to heat and cold.