Descriptionary

radial keratotomy a series of surgical incisions made in the cornea to cure nearsightedness, a proce­dure pioneered in the Soviet Union.

retina the innermost layer of the eyeball on which light rays are focused and converted to electrical sig­nals to be sent to the brain.

retinitis pigmentosa a hereditary disorder charac­terized by progressive destruction of the retina's rods, resulting ultimately in blindness.

retinoblastoma a malignant tumor of the retina.

retinology study of the retina and its diseases and disorders.

sclera the white of the eye.

strabismus group of eye disorders including cross- eyes, walleyes, squinting, and general uncoordinated eye movement.

stye a staph infection of the eye producing a painful abscess at the margin of an eyelid.

trachoma a contagious disease affecting the con­junctiva and cornea that can result in blindness, com­monly found in tropical regions.

20-20 vision normal vision at 20 feet.

vascular retinopathies a group of disorders caused by diminished blood flow to the eyes, causing visual defects.

vitreous humor the clear jelly in the large chamber behind the lens.

walleye strabismus with one or both eyes pointing outward. Also, an eye with a light-colored iris.

HAIR

achromotrichia lack of color in the hair; graying. depilate to remove hair. depilatory any substance that removes hair. electrolysis removing hair with an electric needle. hirsute hairy.

hirsutism abnormal hairiness on face and chest, especially in women. Also known as hypertrichosis.

male pattern baldness progressive balding thought to be caused by hormones.

melanocytes cells in the roots that give color to hair.

paratrichosis growth of hair in abnormal or odd places.

poliosis premature graying of the hair.

trichology the study of hair diseases.

widow's peak a V-shaped point of hair crowning the forehead.

Beards

a la Souvaroff a style in which the mustache joins with the sideburns, the chin left clean-shaven.

alfalfa early American slang for a beard.

anchor a short, pointy beard worn at the edge of the chin with a fringe extending up to the center of the bottom lip.

Assyrian a long beard having plaits or spiral curls. aureole a rounded beard.

barbiche a small tuft of hair under the bottom lip. Also known as a barbula.

beaver early 20th-century slang for a beard or a man with a beard.

Belgrave a medium-length, neatly trimmed beard that may be square-cut, rounded, rounded with a point, or pointed.

burnside a mustache joined with sideburns, with the chin clean-shaven, named after General Ambrose Burnside in the 19th century.

cadiz a Spanish-style, pointed beard of medium length.

cathedral beard a long, flowing beard that broad­ens at the bottom like a fishtail, worn by clergy mem­bers in mid-16th to 17th century.

ducktail a neatly trimmed, long slender beard resembling the tail of a duck.

Dundreary whiskers whiskers grown long and hanging off the sides of the face while the chin is left clean-shaven.

forked a beard either combed or cut into two differ­ent branches or wisps. See swallow-tail.

goatee a small, pointed beard, resembling that of a goat.

Imperial a long tuft of hair extending down from beneath the lower lip, named after that worn by Napoleon III in 1839.

Jewish a long, bushy, untrimmed beard, as that pre­scribed in the book of Leviticus in the Old Testament.

Lincolnesque a medium-length beard and sideburns worn without a mustache.

muttonchops side whiskers or sideburns trimmed to resemble mutton chops.

Old Dutch beard a short, square-cut beard with a clean-shaven upper and lower lip.

Olympian beard a very long, thick beard. Also known as a patriarchal beard.

pencil beard a thin ridge of beard extending from the bottom lip to the chin.

Raleigh a pointed beard, with the facial por­tion being closely trimmed, named after Sir Walter Raleigh.

Roman T a small, rectangular tuft hanging below the lower lip and accompanied with a straight or rect­angular mustache to form the letter T.

Satyric tuft a chin tuft, as that worn by the Satyrs, the half-goat, half-man creatures from Greek mythology.

screw beard a short, slender beard that is twisted or twined, popular in the 17th century. Any twisted beard.

Shenandoah a spade beard.

spade a pointy or rounded beard resembling a spade.

stiletto a long, slender, pointed beard.

swallow-tail a thickly forked beard resembling the tail of a swallow.

tile a long, square-cut beard.

Trojan a thick, square-cut, curly beard of medium length.

Uncle Sam a beard as that worn by the cartoon figure Uncle Sam.