pilo-, pil-, pili- +

(Latin: hair)

Don't confuse the words in this pilo-, pil- group with the pil- or "plunder, heap up" unit.

pilomotor
1. A reference to the arrector muscles, the contraction of which produces cutis ansertina (goose flesh) and the erection of the hairs.
2. Causing movements of hairs, as the arrectores pilorum.
pilonidal
1. Pertaining to, characterized by, or having a nidus or tuft of hairs.
2. A reference to a cyst containing hair as a nucleus or nidus.
pilose, pilosity
1. Used to describe plant parts that are covered with soft hair.
2. Hairy; covered with hair; downy.
3. Covered with fine soft hair.
pilosebaceous
1. A reference to the unit consisting of a hair follicle and a sebaceous gland.
2. Relating to the hair follicles and sebaceous glands.
pilosis
1. A condition of hairiness.
2. The abnormal growth of hair.
pilosism
Excessive hairiness.
pilpul
An ingenious, hair-splitting, penetrating argument, especially in Jewish Talmudic study.
pilus (s), pili (pl)
1. One of slender hair-like structures covering some plants.
2. One of the threadlike appendages of the skin consisting of a slender, flexible shaft of cornified cells embedded by its root in a follicle; hair.