Ch 4 Anatomy

Question 1

Onyx

Answer 1

Nail

Question 2

Onycomycosis

Answer 2

Disease of the nail due to vegetable parasitic fungus

Question 3

Onychocryptosis

Answer 3

Abnormal overgrowth of the nail with inward curvature (Ram’s horn nail)

Question 4

Onychosis

Answer 4

general term for nail disease

Question 5

Onychomadesis

Answer 5

Complete loss or shedding of the nail plate

Question 6

Onycholysis

Answer 6

Nail loosens from nail bed

Question 7

Onychia

Answer 7

Inflammation of entire nail unit or portion of the unit

Question 8

Onychophagy

Answer 8

Bitten nail

Question 9

Pterygium

Answer 9

Wing like structure abnormal scaring of the eponychium

Question 10

Hangnail

Answer 10

Cuticle around nail splits

Question 11

Paronychia

Answer 11

Infection of tissue around the nail

Question 12

Plicatured nail

Answer 12

Deformity, edges of nail plate are folded at a 90% angle

Question 13

Trumpet/Pincer Nail

Answer 13

As nail grows towards the end of fingertip, edges of nail plate begin to curl inward

Question 14

Pyogenic Granuloma

Answer 14

Severe inflammation, red lump of tissue grows up from nail bed

Question 15

Specialized ligament

Answer 15

Anchor the matrix and nail bed to the underlying bone

Question 16

Furrows/Corrugations

Answer 16

Long lengthwise ridges or grooves

Question 17

Eponychium

Answer 17

Cuticle, crescent of toughened skin around the base of the fingernails and toenails that partially overlaps the lunula (proximal)

Question 18

Hyponychium

Answer 18

Toughened skin underneath the free edge

Question 19

Nail folds

Answer 19

Folds of skin form the nail grooves

Question 20

Eggshell nail

Answer 20

Thin, white curved over free edge

Question 21

Keratin

Answer 21

Protein found in nails, skin, hair

Question 22

Lunula

Answer 22

Visible portion of the matrix bed

Question 23

Melanonychia

Answer 23

Dark or black band (line) on nail plate

Question 24

Fungus

Answer 24

Vegetable parasite

Question 25

Leukonychia

Answer 25

White spot or streaks on the nail (leukos=white)

Question 26

Mold

Answer 26

Fungus infection on non living objects

Question 27

Inflammation

Answer 27

Red and sore

Question 28

Infection

Answer 28

Evidence of pus

Question 29

Matrix

Answer 29

The womb, mother of the nail. The basis substance from which a thing is made or develops