Chapter 4- Integumentary System Flashcards
The structure of the integumentary system is from superficial to Deep, it is made up of 3 layers?
- Epidermis
- Dermis
- Subcutaneous tissue (Ct to help maintain the cutaneous)
What are the functions of the Integumentary System ?
- Protection (barrier, cushioning, monitoring(sensory
nerves),UV) - Thermoregulation (constrict through the cold and dilates in the
heat) - Blood Reservoir- (8-10% of the blood is in the dermis)
- Excretion
- Vitamin Synthesis (helps with Vitamin D Synthesis and Calcium
Absorption)
The Epidermis is a ————layer, —————-epithelium and ……………?
- superficial layer
- stratified squamous epithelium
- avascular
There are 4 epidermal cells ; 1…………..2…………3………..4……………?
- Keratinocytes
- Melanocytes
- Langerhans Cells
- Merkel Cells
Produce Melanin?
Melanocytes
———–responsible for ———- ———– and ———– ———- and helping to remove them.
- Langerhans
- recognizing , foreign
- harmful, antigens
——involved in the sensation of touch ?
Merkel Cells
Majority of the Epidermal Cells are keratinocytes? True or False
True
Keratinocytes produce ——–?
keratin (cells are keratinized)
Keratinocytes deeper cells constantly ———-?
- divide ( as a protection)
There 5 layers to the epidermal layer ;
1———-2———3———–4 ———-5———–?
- Stratum basale
- Stratum Spinousum
- Stratum Granulosum
- Stratum Lucidum
- Stratum Corneum
————–flat, dead keratinocytes that are shed.
Stratum Corneum
—————flat, dead keratinocytes
Stratum Lucidum
———–cells that are dying
Stratum Granulosum
Stratum———provides ———and ————to the skin
- Spinosum
- Strength
- Flexibility
Stratum basale aka ………?
Stratum Germinativum
Continuous mitosis occurs in the ……………. ………………..layer ?
Stratum Basale
——- ———is single row of ———–anchored to the basement membrane
- Stratum, Basale
- keratinocytes
collagen and elastin is located in the ——-
dermis
———–connective tissue layer separating epidermis and the underlying adipose layer.
Dermis
The Dermis contains
- ———- and nerves
- ———-; touch receptors
- ——- —— ——- : Pain, ———
- ———- corpuscles : ———-, ———-
- ——-and ——-glands, and ——-are also embedded in the———- and continue through to the ———–
- blood vessels
- Meissner corpuscles
- Free nerve endings: Pain, Temperature
- Pacinian corpuscles; pressure, vibration
- Sweat and oil glands, and hair - Dermis-Epidermis
Subcutaneous tissue is aka ?
-Hypodermis , Adipose and areolar tissue
Subcutaneous tissue serve as ?
- Shock absorber
2. Insulator (Temp Regulation)
Skin Colour Identifiers Part I:
- Cyanosis :——
- Yellow:———-
- Yellow-Orange:——-
- Red/Pink:———–
- Blue
- Jaundice
- Carotene
- Hemoglobin
Skin Colour Identifiers Part I:
- Redness(erythema):———–
- Blue/Black————-
- Yellow/Green ———
- Pale yellow to tan to black ——–
- Inflammatory response
- New bruising
- Old bruising
- melanin
Hair is one of the —————?
appendages off the skin
About Hair Part I:
- The hair is produced in the ————
- The hair is dead, ———– ——
- ————is responsible for hair color
- ———–glands:———-the hair
- hair follicle
- dead, Keratinized cells
- Melanin
- Sebaceous , Lubricates
About Hair Part II:
1.——- ——– ———-: contract to pull the hair uptight
2. —— ——-, the portion of hair that projects beyond the skin surface.
3. ——– ———, the part of the hair deep to the shaft that
penetrates into the dermis.
4. —— ———, the portion surrounding the root
- Arrector Pili Muscle
- Hair Shaft
- Hair Root
- Hair Follicle
What are the 3 functions of the hair ?
- Protection ( scalp , eyelashes, filtration)
- Thermoregulation
- Sensation
There are 3 glands in the integumentary system?
- Sebaceous (Oil) glands
- Sudoriferous (Sweat) Glands
- Ceruminous Glands
- ——- ———, secretes ——-. It is all over the skin except ——— and ———-.
- Sebum keeps the ——- ——–, prevents hair from becoming ——/——, and kills ——- ———/
- Sebaceous glands, sebum, plams, soles
2. Skin moist, dry/brittle, surface bacteria
- ————–release ———-through pores and ——- ——-
- Sudoriferous functions in ———– and ——- ———-
- Sudoriferous/ Sweat glands , Sweat, hair follicles
2. thermoregulation and waste removal
- ———-located in the external ———-and produce ——- (——– ——–).
- It helps prevent ——— ———- from ——– the ear.
- Ceruminous, ear, Cerumen (ear wax).
2. foreign bodies, entering
- Nails are —— plates of tightly Packed, ——-, ——-,
keratinized —— ———-? - Nails Functions; ———-, small object ——–, ———-,
——– ——– ——–?
- hardened, hard, dead, epidermal cells
- protection, manipulation, scratching, health status
information.
- The Sun can damage the ——– form —– —————
- DNA ——–
- ———-and ——–fibre damage
- skin , acute overexposure
- Damage
- Collagen, elastic fibre damage
Agin Skin characterizes by the following;
- Skin becomes ——–
- ———-decreases in number
- ———-loses its elasticity
- ——– ——– decrease in number and are not as ——-
- thinner
- Fibroblasts
- Elastin
- Collagen Fibre, functional