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Medical Terminology > Chapitre Trois: Symptomatic Terms > Flashcards

Chapitre Trois: Symptomatic Terms Flashcards

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USMLE® Step 1 flashcards
1
Q

lesion

A

an area of pathologically altered tissue (primary & secondary)

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2
Q

primary lesions

A

lesions arising from previously normal skin

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3
Q

macule/macula

A

a flat, discolored spot on the skin up to 1 cm across (e.g. freckle)

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4
Q

patch

A

a flat, discolored areao on the skin larger than 1 cm

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5
Q

papule

A

(elevated, palpable) a solid mass on the skin up to 0.5 cm in diameter

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6
Q

plaque

A

(elevated, palpable) a solid mass greater than 1 cm in diameter and limited to the surface of the skin

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7
Q

nodule

A

(elevated, palpable) a solid mass greater than 1 cm the extends deeper into the dermis [L. nodulus: little knot]

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8
Q

tumor

A

(elevated, palpable) a solid mass larger than 1-2 cm

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9
Q

wheal

A

an area of localized skin edema (swelling) (e.g. hive)

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10
Q

vesicle

A

little bladder; an elevated fluid-filled sac (blister) within or under the epidermis up to 0.5 cm in diameter

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11
Q

bulla

A

a blister lager than 0.5 cm (e.g. second degree burn

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12
Q

pustule

A

a pus-filled sac (e.g. pimple)

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13
Q

erosion

A

gnawed away; loss of superficial epidermis, leaving an area of moisture but no bleeding (e.g., area of moisture after rupture of a vesicle)

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14
Q

secondary lesions

A

lesions that result in changes in primary lesions

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15
Q

ulcer

A

an open sore on the skin or mucous membrane that can bleed and scar; sometimes accompanied by infection

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16
Q

excoriation

A

a scratch mark

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17
Q

fissure

A

a linear crack in the skin

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18
Q

scale

A

a thin flake of exfoliated epidermis

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19
Q

crust

A

a dried residue of serum (body liquid), pus, or blood on the skin (e.g. as seen in impetigo)

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20
Q

vascular lesions

A

lesions of a blood vessel

21
Q

cherry angioma

A

a small, round, bright red blood vessel tumor on the skin, often on the trunk of the elderly

22
Q

telangiectasia, spider angioma

A

a tiny, red blood vessel lesion formed by the dilation of a group of blood vessels radiating from a central arteriole, most commonly on the face, neck, or chest (telos=end)

23
Q

purpuric lesions

A

purpura; lesions resulting from hemorrhages into the skin

24
Q

petechia

A

spot; reddish-brown, minute hemorrhagic spots on the skin that indicate a bleeding tendency; a small purpura

25
Q

eccymosis

A

bruise; a black and blue mark; a large purpura

26
Q

cicatrix of the skin

A

a mark left by the lealing of a sore or wound, showing the replacement of destroyed tissue by fibrous tissue (cicatrix = scar)

27
Q

keloid

A

an abnormal overgrowth of scar tissue that is thick and irregular (kele = tumor)

28
Q

epidermal tumors

A

skin tumors arising from the epidermis

29
Q

nevus

A

a congenital malformation on the skin that can be epidermal or vascular; also called a mole

30
Q

dysplastic nevus

A

a mole with precancerous changes

31
Q

verruca

A

an epidermal tumor caused by a papilloma virus, also called a wart

32
Q

comedo

A

a plug of sebum (oil) within the opening of a hair follicle

33
Q

closed comedo

A

a comedo below the skin surface, with a white center (whitehead)

34
Q

open comedo

A

a comedo open to the skin surface, with a black center caused by the presence of melanin exposed to air (blackhead)

35
Q

eruption

A

appearance of a skin lesion

36
Q

erythema

A

redness of skin

37
Q

prurtius

A

severe itching

38
Q

rash

A

a general term for skin eruption, most often associated with communicable disease

39
Q

suppuration

A

production of purulent matter (pus)

40
Q

urticaria

A

hives; an eruption of wheals on the skin accompanied by itching (urtica=stinging nettle)

41
Q

xeroderma

A

dry skin

42
Q

pediculosis

A

infestation with lice that causes itching and dermatitis

43
Q

scabies

A

a contagious disease caused by a parasite (mite) that invades the skin, causing an intense itch, most often at articulations between the fingers or toes, elbow, etc.

44
Q

tinea

A

a group of fungal skin disease identified by the body part affected

45
Q

vitiligo

A

a condition caused by the destruction of melanin that results in the appearnce of white patches on the skin

46
Q

actinic keratoses, solar keratoses

A

caused by excessive exposure to the sun

47
Q

seborrheic keratoses

A

benign, wart like tumors

48
Q

systematic lupus erythematosus

A

affects many body organs

Medical Terminology (11 decks)

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