Flashcards
UNIT 4 TEST - integumentary system
Cards in this deck (53)
- 1appendages include what 3 things?1) hair
2) nails
3) exocrine glands - 2skin covers _#_ square inches of surface area, weighs about _#_ pounds, and receives __#__ of all blood circulating through body1) 3,000
2) 6
3) 1/3 - 35 functions of integumentary system?PTSDS-
1) Protection
2) Temp control
3) Synthesis & storage of nutrients
4) Dissipates water thru sweat
5) sensory reception - 4Describe epidermisupper layer; made of epithelial; can be divided into sublayers
- 5Describe dermislower layer; dense connective tissue
- 6Describe hypodermissubcutaneous layer; beneath dermis
- 7Epidermal (superficial) layer of skin is composed of ___, ____, ____, _____ cells that have NO nuclei1) stratified
2) squamous
3) keratinized
4) epithelial - 8What is keratinization?1) cells lose water
2) become filled with keratin
3) change shape and die - 9Name the 5 layers of the epidermis (from superficial to deep)CLGSB
1) Corneum
2) Lucidum
3) Granulosum
4) Spinosum
5) Basale - 10Describe Stratum BASALE (Germinativum)deepest layer; divide by mitosis;
has melanocytes that produce melanin - 11What 3 layers of epidermis make up the INTERMEDIATE STRATA?1) Spinosum
2) Granulosum
3) Lucidum - 12Stratum Spinosum AKAspiny layer
- 13Stratum Granulosum cells begin making ____.keratin
- 14Stratum Lucidum AKAclear layer
- 15_____ is the orange-yellow pigment that is naturally present in epidermal cellsCAROTENE
(think carrot - orange) - 16What 2 colors is melanin?brown or black
- 17______ manufacture and store melaninmelanocytes
- 18What stimulates Vitamin D3 synthesis?UV rays
- 19Melanin helps prevent skin damage by ____ ___ _____absorbing UV rays
- 20Long term damage includes premature ____.... and _____wrinkling; cancer
- 21Name the 7 structures found in the dermis1) blood vessels
2) nerves
3) lymph vessels
4) smooth muscles
5) sweat glands
6) hair follicles
7) sebaceous glands - 22The dermis is divided into 2 portions: the _____ and _______papillary
&
reticular - 23Papillary is made of _______ tissue (PARE)AREOLAR connective (loose)
- 24Reticular is made up of ____ tissue (RID)IRREGULAR DENSE
- 25Hypodermis is made up of ______ tissue (HADI)ADIPOSE
(and areolar) - 26Dermal Cutaneous Receptors is a fancy term for "________"nerves
- 27Dermal Cutaneous Receptors respond to _____, ________, and __________ changes1) pain
2) pressure
3) temperature - 28What are the 4 ACCESSORY STRUCTURES of the skin?1) hair
2) sebaceous glands
3) sweat glands
4) nails - 29Hair is composed of 3 parts. Name these parts and where they are located1) CUTICLE - OUTERMOST (cut out)
2) CORTEX - MIDDLE (corm)
3) MEDULLA - INNERMOST (me inner) - 30What are arrector pili? What does it cause?involuntary muscle that pulls on the hair follicle when it contracts
----> GOOSEBUMPS - 31What does the papilla contain? (hair anatomy)blood vessels and nerves
- 32Deeper cells of the hair follicle produce new cells via ______MITOSIS
- 33Hair color is determined by ______genetics
- 34Gray/white hair shows up when the melanin is absent in the hair. What part is it absent from???THE CORTEX
- 35What is sebum?oily substance; breaks down bacteria
- 36Where do sebaceous glands develop? what do they produce?along the walls of hair follicles.
PRODUCE SEBUM - 37Name the 2 types of sweat glandsAPOCRINE
&
MERCRINE (ECCRINE) - 38Apocrine glands excrete product where?INTO hair follicles
- 39Merocrine glands excrete product where?ONTO skin
- 40What do apocrine glands contain?water; sodium chloride; fats; protein
- 41What do merocrine glands contain?water; sodium chloride
- 42Nails are composed of ____ _______hard keratin
- 43What is the white crescent at end of the nail called?Lunula
- 44______ determines the color of the skinMelanin
- 45Ringwormfungal
- 46Psoriasisgenetic
- 47Wartsenvironmental
- 48Cold soresviral
- 49Impetigobacterial; in kids
- 50Shinglesviral
- 51Vitiligogenetics
- 52EczemaBacterial????
- 53Layer of skin that lacks blood vesslesEPIDERMIS
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- 5 SENIOR YEAR (ANATOMY) Flashcards on UNIT 4 TEST - integumentary system, created by Sophia Khan on 20/11/2015.
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- Sophia Khan
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