A. ichthy (scaly) + osis (condition) = a condition of the skin that is dry and scaly
B. ichthy (dry) + osis (condition) = dry skin condition
C. ichthy (hidden) + osis (condition) = a hidden condition of the skin
D. ichthy (yellow) + osis (condition) = yellow skin condition
E. ichthy (hard) + osis (condition) = a hardening of the skin