a circumscribed thickening of the keratin layer of the epidermis as a result of repeated friction or intermittent pressure.
Synonym: callositas, callus, keratoma, poroma, tyle, tyloma.
Origin: L. Fr. Callosus, thick-skinned
You will also like...
Organisms employ different strategies to boost its defenses against antigens. Humans have an immune system to combat pat..
Earth was created around 4.5 billion years ago and life began not long after. Primitive life likely possessed the elemen..
The arthropods were assumed to be the first taxon of species to possess jointed limbs and exoskeleton, exhibit more adva..
Homeostasis is essential to maintain conditions within the tolerable limits. Otherwise, the body will fail to function p..
Bryophytes are a plant group characterized by being nonvascular. They include the mosses, the liverworts, and the hornwo..