desquamation

from WordNet (r) 3.0 (2006)

desquamation
    n 1: loss of bits of outer skin by peeling or shedding or coming
         off in scales [syn: {desquamation}, {peeling}, {shedding}]

from The Collaborative International Dictionary of English v.0.48

Desquamation \Des`qua*ma"tion\, n. [Cf. F. desquamation.] (Med.)
   The separation or shedding of the cuticle or epidermis in the
   form of flakes or scales; exfoliation, as of bones.
   Desquamative