Lecture 1 - Derm terminology -___- Flashcards
epidermis vs dermis: where are blood vessels located? where are merkel cells? where are langerhans cells? where are nerves?
dermis,
epidermis,
epidermis,
dermis
macules/patches:
both are flat or raised?
macules are less than ____ cm, patches are greater.
example?
flat;
1;
freckle
a ____ is an elevated solid skin lesion less than 1 cm. a _____ is greater than 1 cm in diameter.
papule, plaque
a nodule is larger than a papule ( > 1 cm) and is caused by a proliferation of cells into the ______. what do you call it if its greater than 2 cm?
mid-deep dermis;
tumor
a ____ is a papule or nodule that contains fluid and is fluctuant
cyst
a ____ is a small fluid containing blister < 1 cm. what is it called if its greater than 1 cm?
vesicle, bulla
what is an example of a papule?
what about a plaque?
acne or mole;
psoriasis
a ____ is a vesicle containing pus. it is filled with what kind of cells? a ____ is a localized collection of PUS
pustule;
PMNs;
abscess
a wheal is a transient smooth _____. caused by swelling in the ____. example is ____
papule (or plaque);
dermis;
hives (urticaria)
an ulcer is a loss of ____ and _____. an erosion is loss of part of the _____
epidermis, part of dermis;
epidermis
a _____ is flaking off of the stratum corneum. what is an example?
scale;
ezcema, psoriasis
a crust is dried _____
exudate
______ is an area of thickened epidermis due to chronic rubbing.
lichenification
desquamation is classical seen following what infection?
scarlet fever (strep pyogenes)
a _____ is a scar that extends beyond its borders. classically see on what body part?
keloid;
ears