CH 3: Integumentary System Flashcards
What are the four cardinal signs of inflammation?
redness, heat, pain, and swelling (edema)
define biopsy
removing tissue from a living person for laboratory examination
deconstruct the word biopsy
-opsy + bi-
(suffix) + (root)
= to view + life (from bios= life)
define cutaneous
pertaining to the skin
define the suffix -ous
pertaining to
define the root/combining form cutan/e-
skin
define subcutaneous
pertaining to below/under the skin
True or False: the prefixes sub- and hypo- both mean below
true
define the prefix sub-
below
define dermatology
medical specialty concerned with disorders of the skin
define the suffix -logy
study of
define the combining form dermat/o-
skin
define dermatologist
medical specialist in diseases of the skin
define the suffix -logist
one who studies, specialist
define dermatologic
pertaining to the skin and dermatology
define the suffix -ic
pertaining to
define etiology
the study of the causes of a disease
define the combining form eti/o
cause
define the prefix ex-
out of, away from
define the word root -crete
to separate
define the suffix -ion
action
define excretion
removal of waste products out of the body
define flora
microorganism (bacteria, fungi, & other pathogens)
What is flora most used in reference to?
microorganisms that cover the exterior (skin) and interior (gut) surfaces
define integument
the skin; the organ system that covers the body
define integumentary
pertaining to the covering of the body
adjective form of integument
define prognosis
forecast of the probable future course and outcome of a disease
define the prefix pro-
projecting forward
define the word root -gnosis
knowledge
define diagnosis
the determination of the cause of a disease
define secrete
to produce a chemical substance in a cell and release it from the cell
define vasoconstriction
narrowing of a blood vessel
What are vasoconstriction and vasodilation used for?
the body uses them to control inner temperature
define vasodilation
expansion/widening of a blood vessel
define the combining form vas/o
blood vessel
define the word root -constrict-
narrow
define the word root -dilat-
widen, open up
define adipose
body tissue containing or composed of fat; found in the hypodermis layer (below the skin)
define the word root adip-
fat
define the suffix -ose
full of
deconstruct the word adipose
-ose + adip-
(suffix) + (root)
= full of + fat
define analgesia
state in which pain is reduced or relieved;
condition without sensation of pain
define the prefix an-
without
define the word root -agles-
sensation of pain
define the suffix -ia
condition
define dermis
layer of skin that contains the sweat glands, sebaceous glands, hair follicles, and nail roots
define the suffix -al
pertaining to
define the word root derm-
skin
define dermal
pertaining to the skin
define epidermis
top/superficial layer of the skin
define the prefix epi-
above, upon
define the word root -dermis
skin
define hypodermis
loose connective tissue layer of skin below the dermis; location of adipose (fat) tissue
define hypodermic
pertaining to below the skin
True or False: Hypodermic is the same as subcutaneous
true
define intradermal
within the epidermis
define intradermal injections
injections that are given with a short needle that is introduced into the epidermis raising a small, raised wheal
define transdermal
going across or through the skin
define the prefix trans-
across, through
define intramuscular
within the muscle;
intramuscular injections provide systemic delivery of medications
define the word root -muscul-
muscle
define melanin
black pigment: the pigment that is responsible for skin color
it is also found in skin, hair, iris, and retina
define the word root melan-
black pigment
define the suffix -in
substance
define sebaceous glands
glands pertaining to wax;
glands in the dermis that open into hair follicles and secrete a waxy fluid called sebum (oil)
define wheal
a small, itchy swelling of the skin
What does wheal also refer to besides it’s definition?
the raised bleb (blister) produced by an intradermal injection, which does not itch
True or False: a Wheal is the same as hives
true
define allergy
a hypersensitivity reaction to an allergen
define dermatitis
inflammation of the skin
define the word root dermat-
skin
define the suffix -itis
inflammation
What’s the difference between dermatitis and cellulitis?
Cellulitis is an infection and inflammation of the skin, whereas Dermatitis is only an inflammation
define excoriation
scratch marks
define the word root -cori-
skin