BIO201 - Ch 5 - Integumentary System - Marieb/Hoehn - Rio Salado
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
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| show | Epidermis & dermis.
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| show | Epidermis.
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| The __ makes up the bulk of skin. | show 🗑
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| The dermis is made up of __. | show 🗑
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| show | Dermis layer
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| How do nutrients reach the epidermis? | show 🗑
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| show | Hypodermis layer.
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| show | Hypodermis
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| Another name for the hypodermis is __. | show 🗑
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| The superficial fascia (hypodermis) is __. | show 🗑
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| They hypodermis layer contains __ tissue. | show 🗑
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| show | Anchors skin to muscles, but is loose enough to slide.
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| The fatty composition of the hypodermis acts as __ & __. | show 🗑
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| show | Hypodermis because of adipose tissue there.
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| show | Keratinized stratified squamous epithelium.
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| show | 4 cell types & 4-5 layers.
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| show | Keratinocytes.
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| show | Helps give epidermis its protective properties.
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| show | Produce keratin & are tightly connected.
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| 4 Types of cells in epidermis are __. | show 🗑
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| show | Stratum basale.
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| Keratinocytes undergo almost continuous __. | show 🗑
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| show | 25-45 days.
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| show | Spider-shaped epithelial cells - make melanin.
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| Melanocytes are found __. | show 🗑
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| show | Melanosomes.
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| show | Membrane-bound granules that store melanin.
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| Melanin is taken up by __. | show 🗑
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| show | Star-shaped phagocytes - help in immune sys - form network.
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| show | Associated w/merkel disk & nerve endings.
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| show | Sensory receptor for touch.
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| Langerhans' cells - aka __. | show 🗑
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| show | 5
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| Which layer is absent in "thin" skin? | show 🗑
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| Name the 5 skin layers acronym. | show 🗑
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| Skin layers from top to bottom are __? | show 🗑
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| show | Stratum Corneum
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| show | 3/4 of epidermal thickness - Keratin - Glycolipids waterproof the layer.
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| Which skin layer is waterproofed by glycolipids? | show 🗑
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| show | "Clear Layer" - flat dead keratinocytes - parallel arrays of keratin filaments.
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| Which layer of epidermis is called the "clear layer"? | show 🗑
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| show | Keratohyaline & lamellated granules.
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| show | Stratum Granulosum
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| show | In the Stratum Lucidum.
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| show | "Prickly Layer" - web-like intermediate filaments abundant in this level.
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| show | The Stratum Spinosum.
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| Stratum Basale | show 🗑
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| show | Stratum Basale/Stratum germinativum.
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| show | Help form keratin in upper layers.
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| show | "Plated" - contain waterproofing glycolipid.
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| show | Granulosum Layer
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| show | Keratinocytes
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| show | Basale Layer
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| show | Dermis.
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| show | Lower skin region - flexible connective tissue - innervated & vascularized.
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| Name the two dermis layers. | show 🗑
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| show | Thin areolar conn. tissue - "peglike" projections.
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| show | "Nipple".
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| show | Capillary loops, nerve endings, & messner's corpuscles.
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| show | Mounds of dermal tissue on which papillae lie.
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| Epidermal Ridges | show 🗑
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| Where do you find epidermal ridges? | show 🗑
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| Fingerprints are caused by? | show 🗑
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| Reticular Layer | show 🗑
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| show | Less dense regions in dermis - lines that run longitudinally in skin.
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| Flexure Lines | show 🗑
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| Striae | show 🗑
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| show | Melanin, carotene, & hemoglobin.
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| Melanin | show 🗑
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| show | Folate - needed for DNA synthesis.
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| Carotene | show 🗑
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| show | Turning blue from lack of oxygen.
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| Erythema indicates? | show 🗑
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| show | Fear, anemia, low blood pressure.
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| Bronzing indicates? | show 🗑
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| show | Clotted blood masses.
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| show | Epithelial bud
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| show | Reduced production of cadherin - breaks cell connections.
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| Sudoriferous Gland | show 🗑
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| show | Eccrine & apocrine
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| show | "Merocrine" - Simple, coiled, tubular gland - opens to a pore.
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| show | Hypotonic filtrate of blood released by exocytosis. 99% h2O.
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| show | Microbe-killing peptide in sweat.
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| pH of sweat? | show 🗑
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| Sweating is regulated by? | show 🗑
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| show | Misnomer - actually secretes by exocytosis - In axillary & genital - body odor.
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| What glands cause body odor? | show 🗑
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| show | Earwax - Cerumen secretions.
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| show | Oil gland - simple, branched, alveolar, holcrine.
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| The secretion of sebum is stimulated by __. | show 🗑
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| Seborrhea | show 🗑
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| show | Hair - hard keratin - keratinized
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| Red hair is colored by __. | show 🗑
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| Arrector Pili | show 🗑
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| 2 types of hair are? | show 🗑
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| Vellus Hair | show 🗑
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| Terminal Hair | show 🗑
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| Alopecia | show 🗑
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| Hirsutism | show 🗑
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| Nail Matrix | show 🗑
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| Skin's 3 types of barriers. | show 🗑
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| Acid mantle | show 🗑
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| Human defensin | show 🗑
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| show | Protective peptide secreted by wounded skin - good against Strep-A
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| Physical/Mechanical Barriers | show 🗑
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| Biological Barriers | show 🗑
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| How does DNA protect the body? | show 🗑
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| show | Most common skin cancer - 99% curable w/surgery.
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| show | Exteroceptors - Meissner's corpuscle, Merkel discs, & Pacinian.
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| show | Synthesizes Vit. D, disarm cancer chemicals, activate steroid hormones.
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| Fas | show 🗑
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| show | "A"ssymetry, "B"order irregularity, "C"olor, "D"iameter.
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| "Rule of 9's" | show 🗑
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| Partial-Thickness Burns | show 🗑
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| show | 3rd Degree Burns - Entire skin layers burned.
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| Eschar | show 🗑
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| show | 1. Over 25% are 2nd degree, 2) Over 10% are 3rd degree & 3) Facial, hands/feet have 3rd degree.
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| Epidermis, dermis & hypodermis derrived from? | show 🗑
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| show | Furry coat on fetus.
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| Vernix Caseosa | show 🗑
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| Matrix Metalloproteinases | show 🗑
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| Decubitus Ulcer | show 🗑
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| show | Hereditary disorders of keratin, collagen, or basement membrane - lack of cohesion between skin & mucosa. "Touch-me-nots".
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| Impetigo | show 🗑
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| Mongolian Spot | show 🗑
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| Porphyria | show 🗑
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| Sensations of touch & pressure picked up in which layer? | show 🗑
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| show | Flexure Lines
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| show | Melanocytes
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| The outtermost sheath of hair follicles are __. | show 🗑
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| The __ sweat glands are fairly unimportant in thermoregulation. | show 🗑
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| The destruction of the matrix of a hair bulb would result in its ability to __. | show 🗑
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| __ Must be activiated in the skin to enhance calcium metabolism. | show 🗑
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| Bedsores are called __. | show 🗑
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| show | Bronzing of skin - adrenal cortex is hypoactive.
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| Portion of hair w/in follicle is __. | show 🗑
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| Epithelial Membrane | show 🗑
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| show | Serous membranes
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| 3 examples of serous membranes. | show 🗑
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| show | Epithelial cells resting on a layer of loose connective tissue (lamina propria).
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| show | Mucosa
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| In most cases, mucosa are "__" membranes. | show 🗑
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| show | Epithelial
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| show | Parietal layer
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| In serous membranes __ layer covers the outside of the organs in a cavity. | show 🗑
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| __ membranes line body cavities that are closed to the exterior. | show 🗑
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| show | Female peritoneal cavity & dorsal body cavity
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| __ membranes line interior of blood vessels & the heart. | show 🗑
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| The entire wall of capillaries are composed of __. | show 🗑
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| show | Synovial
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