Ichthy/o means "dry" or "scaly".
The medical term for "pertaining to scales or covered with scales" is "squamous." This term is commonly used to describe certain types of epithelial cells or skin conditions characterized by scale-like appearance.
The medical term for the abnormal condition of dry and scaly skin is xeroderma. This condition can be caused by various factors such as dry air, skin conditions like eczema, or certain medications. Treatment typically involves applying moisturizers and avoiding triggers that worsen the dryness.
Seborrheic dermatitis, sometimes known as dandruff or cradle cap.
Xeroderma is a condition of Xero = dry + derma = skin. It is a common complaint of winter weather with the scalp, lower legs, arms, knuckles, sides of abdomen and thighs being most affected. The adjective form is "xerodermic" (-ic = pertaining to).
xeroderma
The flakes are called scale or scales. It can be fine scale (like winter-dried skin or "ashiness") or coarse scale (as with psoriasis).
scabies
The snakes skin was VERY scaly.
Scaly Francolin was created in 1857.
Reptiles, such as snakes, lizards, and turtles, have dry, scaly skin and lay eggs to reproduce. They are ectothermic, meaning they rely on external sources of heat to regulate their body temperature.
Derived from two Greek words meaning "fish" and "disease," ichthyosis is a congenital (meaning present at birth) dermatological (skin) disease that is represented by thick, scaly skin.
That is the correct spelling of "scaly" (having scales, or similarly rough).