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46 Cards in this Set

  • Front
  • Back
Cutaneous Membrane
1)Defined as:
2)Composed of:
3)Special Characteristics: A and B
1)skin
2)caratinizing stratified squamous epithelium with a dense fibrous connective tissue underlying dermis
3)A.exposed to air-dry membrane
B.fibrous connective tissue
Mucous Membrane
1)Defined as:
2)Lines:
3)Contain following tissues:
4)Characteristics:
1)composed of epithelium resting on a loose connective tissue membrane
2)Lines:all body cavities that open to the exterior (respiratory, digestive, urinary, reproductive)
3)stratified squamous epithelium(mouth and esophagus) or simple columnar epithelium (rest of digestive tracts)
4)Wet, moist, membranes that are continuously bathed in secretions. (urinary system is bathed in urine)
Serous Membranes
1)Defined as:
2)Lines:
3)Occurs in pairs:
a)
b)
4)Contains fluid called:
5)Defined as:
6)Specific names of serous membranes (depends on location)
1)
2) body cavities which are closed to exterior except for dorsal body cavities & joint cavities.
3) a)Parietal Layer- specific part of the wall of the ventral cavity.
b)Visceral Layer- covers the outside of the organs in cavity. 4)contains serous fluid.
5)the thin clear fluid which seperates serous layers and is secreted by both membranes.
6) Peritoneum, Pleua, Pericardium.
Peritoneum
lining of abdominal cavity and the covering of its organs

(neum like yum like eating food goes into stomache. peri= periwinkle. periwinkle cupcakes)
Pleura
surrounds lungs
(plural- 2 lungs)
FUNCTIONS OF SKIN
1)
2)
3)
4)
5)
6)
7)
1)insulate, cushions, protects
2)prevents water loss
3)regulates heat loss
4) acts as excretory system
5)manufactures proteins
6) synthesizes vitamin D
7) offers sensors
Epidermis
1)made of:
2) __ layers (strata
1) stratified squamous epithelium
2) FIVE
Five layers of epidermis: (bottom to top)
1)
2)
3)
4)
Defined as:
a)
b)
c)
5)
Defined as:
a)
b)
c)
d)
1)stratum basale- bottom layer. closest to dermis. contains epidermal cells that receive most nourishment from dermis.
2)stratum spinosum- lies just above stratum basale
3)stratum Granulosom-
lies just above stratum spinosum
4)Stratum Lucidum-
a)flattened cells that have died
b)occurs only where skin is hairless and extra thick (hand palms, feet soles)
c)lies just above stratum granulosom
5)Stratum Corneum
a)outermost layer
b)20/30 cell layers thick
c)abundant in carotene
d)provides durable overcoat for protection.
Dermis
1)Defined as:
a)
b)
TWO MAJOR REGIONS
1)
2)
1)your skin
a)strong, stretchy, envelope that helps to hold the body together.
b)made of dense fibrous connective tissue
TWO MAJOR REGIONS
1)Papillary
2)Reticular
Papillary Region
Defined as:
Characteristics of:
1)upper dermal region
2)uneven with finger-like projections which are called dermal papillae- they indent the epidermis causing fingerprints.
RETICULAR LAYER
1)Defined as:
2)Characteristics of:
1)deepest skin layer
2) contains blood vessels, sweat/oil glands, and deep pressure receptors.
HEMOGLOBIN
iron rich product on red blood cells (protein molecule on red blood cells)
CAROTENE
orange, yellow, pigment found in carrots and other orange, deep yellow, or leafy green vegetables.
MELANIN-
yellow, reddish, brown or black pigment
ERYTHEMA
1)described as:
2)indicates: (5)
1)redness
2)embarrassment, fever, hypertension(high blood pressure), inflamation, or allergy.
PALLOR/BLANCHING
1)described as:
2)indicates:
1)pale skin
2)emotional stress, anemia (low blood iron), low blood pressure, impaired blood flow into area.(blood stays elsewhere to protect organs)
JAUNDICE
1)described as:
2)signifies:
1)yellow skin
2)(often found in infants) generally a liver disorder where excess bile pigments are absorbed into the blood, circulated throughout body, and deposited into body tissues.
(Bile- gastric juice sent in stomache to digest food so bile is in blood stream)
BRUISES
1)described as:
2)indicates:
1)blue and black painful skin
2) where blood has escaped from circulation and has clotted in tissue space. blood clots causing bruises are called HEMATOMAS (medical term)
TWO TYPES OF EXOCRINE GLANDS
1)sebaceous
2)sweat
Sebaceous glands.
1)also called _____ _____
2)Found:
3)Produces:
1) oil glands
2) all over skin, except for hand palms and feet soles
3)Sebum- a mixture of oily substances and fragmented cells. it lubricates the skin and the hair.
Sweat glands.
1)also called
2)Two types:
1)
2)
1) sudoriferous glands
2) 1) eccrine
2)apocrine
ECCRINE GLANDS
1)defined as:
2)produces:
3)sweat reaches surface of skin through a _____
4)SWEAT IS VERY IMPORTANT IN REGULATION OF BODY TEMP.
1)numerous glands found all over body
2)sweat
3)a pore
APOCRINE GLANDS
1)Found in _ and _ areas of body.
2)Their ducts empty into:
3)Their secretions contain:
4)Begins functioning:
5)Activated by nerve fibers during
a)
b)
c)
1) 1) AXILLARY (ARMPIT
2) GENITAL
2)hair follicles
3)fatty acids and proteins
4)through puberty
5)a)pain
b)stress
c)sexual foreplay
HAIR FUNCTIONS
1)
2)
3)
1)GUARDS head against bumps
2)SHIELDS eyes (eyelashes)
3)KEEPS foreign particles out of respiratory system.
PARTS OF HAIR
Composed of 2 parts
1)
2)
3)Growth zone is called
4)Central core:
5)Central core is surrounded by:
6)which is surrounded by:
1)root
2)shaft
3)matrix
4)medulla
5)cortex
6)cuticle.
NAILES
1)Defined as:
2)COMPOSED OF:
a)
b)
c)
d)
e)
f)
1)scale like modifications of the epidermis.
a) free edge- (white tip)
b) body- (attached visible portion)
c) root- (embedded in skin)
d) nail folds- (lateral) (skin folds that overlap the borders of nails)
e)cuticle-thick proximal (close to point of attachment) nail fold)
f)lunula- crescent white of bottom of body
ATHLETE'S FOOT
1)
2)Results from:
1) itchy, red, peeling condition of the skin between the toes
2)fungus infection
BOILS/CARBUNCLES
1)
2)
3)Results from:
1)inflamation of the hair follicles and sebaceous glands.
2)common on the dorsal neck (back of neck)
3)bacterial infection
COLD SORES
1)or:
2)
3)caused by:
1)fever blisters
2)small fluid filled blisters that itch and sting
3)herpes simplex infection
CONTACT DERMATITIS
1)
2)caused by:
1)itching redness and swelling of the skin and it progresses to blisters
2)exposure of the skin to chemicals (poison ivy)
IMPETIGO
1)
2)caused by:
1)pink, water filled lesions that develop a yellow crust and eventually rupture
2)highly contagious staphylococcus infection
PSORIASIS
1)
2)caused by:
1)overproduction of skin cells that results in reddened epidermal lesions covered with a dry, silver scales.
2)autoimmune disorder (body attacks itself trying to fix itself)
BURNS
1)Defined as:
1)tissue damage and cell death caused by intense heat, electricity, UV radiation, or chemicals.
RULE OF NINES: PAGE 122 LEARN
1)Defined as:
1)body is divided into 11 areas-each area accounting for 9% (know total percentages)
BURN CLASSIFICATION
1)
2)
3)
1,2, and 3rd degree
FIRST DEGREE BURN
1)
2)
3)
4)
5)
1)only epidermis is damaged
2)area becomes red and swollen
3)causes temporary discomfort
4)also known as PARTIAL THICKNESS BURN
5)generally heals in 2-3 days.
SECOND DEGREE BURN
1)
2)
3)
4)
1)involves injury to epidermis and the upper region of the dermis
2)skin is red and painful sometimes w/ blisters
3)also known as PARTIAL THICKNESS BURN
4)regrowth of the epithelium can occur.
THIRD DEGREE BURN
1)
2)
3)
4)
5)
6)
1)destroy entire thickness of skin
2)makes skin blanched or blackened
3)burn area is not painful bc nerve endings are destroyed/dead
4)regeneration is not possible
5)skin grafting must be done
6)AKA-FULL THICKNESS BURN
TYPES OF CANCER:
1)
2)
3)
1)Basal cell carcinoma
2)Squamous cell carcinoma
3)Malignant melanoma
BASAL CELL CARCINOMA
1)
2)
3)
4)
5)
6)
1)least malignant
2)most common skin cancer
3)the stratum basale cells [bottom] are altered and don't produce carotene or offer a boundary between epidermis and dermis
4)generally can remove lesions
5)99% chance of a full cure
6)Relatively slow growing
SQUAMOUS CELL CARCINOMA
1)
2)
3)
4)
5)
6)
1)arises from cells of stratum spinosum
2)forms a shallow ulcer
3)grows rapidly
4)believed to be sun induced
5)if caught early, can be surgically removed or radiation therapy.
6)chance of complete cure is good
MALIGNANT MELANOMA
1)
2)
3)
4)
5)
1)cancer of melanocytes
2)acounts for about 5% of skin cancers
3)most cancers appear spontaneously, but some develop from pigment moles
4)early detection helps
5)survival rate is 50%
ABCD RULE
1)Defined as:
A)
B)
C)
D)
1)to see for cancer
A)Asymmetry- when two sides of pigmented spot/mole do not match
B)Border Irregularity-when borders of lesions not smooth but exhibit indentations
C)Color- if pigment in spot contains areas of different colors
D)Diameter- spot is larger than 6 millimeters in diameter.
STRATIFIED SQUAMOUS
1)Stratified
2)Squamous
2)Stratified Squamous:
a)
b)
c)
d)
1)more than 1 cell layer
2)flattened cells- concerned with absorption, secretion, and filtration. forms membranes where filtration of diffusion occurs.
3)
a)most common stratified epithelium in body
b)free edge cells=squamous
c)basement cells=cuboidal/columnar
d)in sites that have good amount of abuse or frictions(esophagus,mouth, skin)
SIMPLE COLUMNAR
1)simple
2)columnar
3)simple columnar
a)
b)
c)
d)
1)1 layer of cells
2)looks like column.
3)
a)made up of 1 layer of tall cells that fit close together
b)GOBLET CELLS- produce a lubricating fluid and are often found in it.
c)lines entire length of the digestive tract from stomach to anus.
d)epithelial membranes that line body cavities that are open are called MUCOSAE MEMBRANES.
SIMPLE SQUAMOUS
1)
2)
3)
4)
5)
1)single layer of thin squamous cells that rest on a basement membrane.
2)fits close together like floor tiles
3)usually forms membranes where filtration or exchange of substances by rapid diffusion occurs.
4)its in the air sacs of the lungs and forms in walls of capillaries.
5)simple squamous also forms SEROSAE(SEROUS) MEMBRANES- the slick membranes that line the ventral body cavity and cover the organs in that cavity.