Commonly known as baldness, the medical term __________ describes the partial or complete loss of hair, most commonly on the scalp.

alopecia

The medical term __________ describes an ingrown toenail.

onychocryptosis

The condition known as __________ is characterized by small pinpoint hemorrhages that are less than 2 mm in diameter. These hemorrhages sometimes result from high fevers.

petechiae

Sleep __________ is the occurrence of excessive sweating during sleep.

hyperhidrosis

A/An __________ , also known as a welt, is a small bump that itches and can appear as a symptom of an allergic reaction.

wheal

A/An __________ specializes in diagnosing and treating disorders of the skin.

dermatologist

A/An __________ is a benign skin growth that has a waxy or "pasted-on" look that can vary in color from light tan to black and occur most commonly in the elderly.

seborrheic keratosis

Excessive sweating in one area or over the whole body is known as __________ .

hyperhidrosis

The condition known as __________ is characterized by the presence of excessive body and facial hair in women that usually occurs in a male pattern.

hirsutism

The condition known as __________ is a fungal infection of the nail.

onychomycosis

Any condition of unusual deposits of black pigment in different parts of the body is known as __________ .

melanosis

A/An __________ , which is usually caused by an injury, is a swelling of clotted blood trapped in the tissues.

hematoma

The term __________ means producing or containing pus.

purulent

A/An __________ is a small blister, less than 0.5 cm in diameter, that contains watery fluid.

vesicle

A/An __________ is a groove or crack-like break in the skin.

fissure

A/An __________ is an open lesion of the skin or mucous membrane resulting in tissue loss around the edges.

ulcer

Also known as itching, __________ is associated with most forms of dermatitis.

pruritus

Lupus __________ is an autoimmune disorder characterized by a red, scaly rash on the face and upper trunk.

erythematosus

A/An __________ is a cluster of connected furuncles.

carbuncle

Tissue death that is most commonly caused by a loss of circulation to the affected tissues is known as __________ .

gangrene