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skin vocab
anatomy unit 4
| Question | Answer |
|---|---|
| epithelial membranes | cutaneous, mucous, and serous membranes covering and lining membrane |
| cutaneous membranes | two layers dermis, and epidermis, dry membrane that holds organs and covers and protects tissue |
| mucous membrane | epithelium laying on areolar connective tissue (lamina propria) lines body cavities open to outside moist membranes |
| serous membrane | lines compartments in ventral cavity, occur in pairs with a parietal (inside) and visceral(outside) layers with serous fluid inbetween |
| parietal membrane | the outer layer of a serous membrane that lines the inner walls of body cavities |
| visceral membrane | the inner layer of a serous membrane that adheres directly to the surface of an internal organ |
| peritoneum | serous membrane lining the abdominal cavity |
| Pluera | serous membrane surrounding the lungs |
| pericardia | serous membrane surrounding the heart |
| synovial memebrane | composed of loose areolar connective tissue only line fibrous capsule around the joints |
| integumentary system | the skin and its appendages |
| keratin | fibrous protein that makes up the epidermis |
| cutaneous sensory receptors | specialized nerve structures in the skin that convert external physical and chemical stimuli into electrical nerve signals |
| epidermis | the outermost layer of the skin in human anatomy, serving as a tough protective barrier against water loss, pathogens, and UV radiation |
| dermis | is the thick, fibrous middle layer of human skin located directly beneath the epidermis and superficial to the subcutaneous fat layer providing strength and elasticity |
| hypodermis | innermost layer of the skin made up mostly of fat cells providing insulation |
| stratum basale/germinativum | deepest layer of the epidermis made of stem cells connected to the dermis by basement membrane |
| stratum spinosum | second deepest layer of epidermis |
| stratum granulosum | 3rd most superficial layer of epidermis below stratum lucidum |
| stratum lucidum | second most superficial layer, only on thick hairless skin(palms and soles of feet) |
| stratum corneum | most superficial layer of densely keratinized cells |
| melanin | skin pigment in between yellow brown and black produced by melanocytes stored in stratum basale |
| dermal papillae | peglike projections from the superficial surface indent the epidermis many carrying capillary loops |
| sebaceous gland | oil glands with ducts usually opening into a hair follicle |
| sudoriferous glands | sweat glands eccrine, and apocrine glands opening into pores through ducts or hair follicles |
| hair follicle | a tube-like skin structure located in the dermis and epidermis that anchors the hair root and produces the hair shaft |
| lunula | the visible, pale, crescent-shaped area located at the base of a fingernail or toenail part of the nail matrix |
Created by:
vincdrea