you're penis.
Infected patients have thickened, crusty areas all over their bodies, including over the scalp. Their skin is scaly. Their fingernails may be thickened and horny.
allergy
Yes eczema is the correct spelling for the scaly, itchy rash.
It's a dermatological condition where the glands produce too much sebum and the skin gets crusty, scaly and/or oily.
Ringworm is a skin and scalp disease caused by several different kinds of fungi. Ringworm on the scalp usually makes a bald patch of scaly skin. People with ringworm on other parts of their skin can have a ring-shaped rash that is reddish and may be itchy. The rash can be dry and scaly or wet and crusty. If the rabbit has anything like this then it is most likely ringworm and you shouldn't touch it because you can get the ringworm.
if your budgie has crusty stuff around its beak and cere and on its legs. its best to take it to the vet, this sickness is called scaly face and is contagious. my budgie comet had it and it was probably one of the reasons why he died
The deuteromycete fungus Tinea can cause a disease in humans called tinea pedis, commonly known as athlete's foot. This condition often results in itchy, red, and scaly skin between the toes.
psoriasis
Many flat, red, scaly, itchy lesions called "pintids" occur either near the primary lesion, or scattered around the body. Pintid lesions progress through a range of color changes, from red to bluish-black.
amphibians
Cowboys loved a colorful phrase! This means mean and stingy. You wouldn't want to be called a scaly fellow.
Reptiles.