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Chapter 4
Integumentary System and Body Membranes
| Question | Answer |
|---|---|
| dry membrane, outermost protective boundary | Epithelial membranes |
| keratinized stratified squamous epidermis | Superficial epidermis |
| mostly dense connective tissue | underlying dermis |
| surface epithelium , lines all body cavities that open to the exterior body surface | Mucous membranes |
| surface simple squamous epithelium, underlying areolar connective tissue | Serous membrane |
| outer | pariteal |
| inner | visceral |
| abdominal cavity | peritoneum |
| around the lungs | pleura |
| around the heart | denardium |
| synovial membrane | connective tissue membrane |
| helping to reduce friction to our joints | synovial fluid |
| outer layer of the skin | Epidermis |
| containing fibroblasts, adipocytes and macrophages | Dermis |
| they are tear resistant | Dermis |
| most superficial stratum of the epidermis | Stratum corneum |
| It consist of dead squamous cells filled with keratin | Stratum corneum |
| thin layer of cells is found only in the thick skin | stratum lucidum |
| due to further changes to the keratinocytes as they pushed from the stratum spinousm | Stratum granulosum |
| spriny appearance due to protruding cell processes that join the cells via structure | Stratum Spinosum |
| consist of cuboidal or columnar cells that undergo mitotic divisions about every 19 days | Stratum basale |
| deep to dermis is the | hypodermis |
| subcutaneous layer and this is a adipose tissue they anchor the skin to underlying organs | hypodermis |
| group of pigments primarily responsible for skin, hair, and eye | melanin |
| color is yellow to brown to black | melanin |
| package melanin to vesicles | Melanosome |
| they help bind our body together | dermis |
| upper dermal region | papillary layer |
| deepest skin layer | reticular layer |
| prevent bacteria to enter deeper into the body tissue | Phagocytes |
| consists of collagen and elastic fibers | Phagocytes |
| yellow, brown or black pigments | Melanin |
| orange - yellow pigment from some vegetables | carotene |
| red coloring from blood cells in dermis capillaries | Hemoglobin |
| oxygen content determines the extent of red coloring | Hemoglobin |
| they produce oils | Sebaceous Glands |
| keeps our skin soft and moist | Sebum |
| also called sudoriferous glands | Sweat glands |
| open viaduct to pore on skin surface | Eccrine |
| they produce sweat | Eccrine |
| ducts empty into hair follicles | Apocrine |
| epithelia tissue, very flexible and fast growing tissue | Hair |
| consists of large cells and air spaces | Central Medulla |
| covers the medulla | Cortex |
| outside of cortex | Cuticle |
| dermal and epidermal sheath surrounding hair root | hair follicle |
| outer part and is mostly composed of dermal connective tissue | Fibrous sheath |
| provied blood supply to the matrix inside the hair bulb | Hair Papilla |
| small bands of smooth muscle cells They are the one that keeps your hair erected | Arrector Pill |
| scale-like modifications of the epidermis | Nails |
| is found all at the proximal area and responsible for nail growth | Nail Matrix |
| proximal nail fold that projects onto the nail body | Eponychium |
| caused by fungal infection, also known as tinea pedis | Athlete's foot |
| caused by bacterial infection | Boils and Carbuncles |
| inflammation of the hair follicles and sebaceous glands | Boils and Carbuncles |
| caused by virus - herpes simplex virus, usually caused by U.V light exposure | cold sores |
| exposures cause allergic reaction | contact dermatitis |
| caused by bacterial infection, usually develop around mouth and nose | Impetigo |
| caused by over production of our skin cells | Psoriasis |
| tissue damage and cell death caused by heat, electricity, UV radiation or chemicals | Burns |
| way to determine the extent of burns | rule of nines |
| each area represents about? | 9% |
| only epidermis is damaged | First-degree burn |
| epidermis and upper dermis are damaged | Second-degree burn |
| destroys entire skin layers | Third-degree burn |
| abnormal cell mass | cancer |
| does not spread | Benign |
| metastasized to other parts of the body | Malignant |
| most common type of skin cancer | Basal cell carcinoma |
| arises from stratum spinosum, fast growing and they metastasize easily to the lymph nodes | Squamous cell Carcinoma |
| most deadly of skin cancer | Malignant Melanoma |
Created by:
arri019
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