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Integumentary System
| Question | Answer |
|---|---|
| Skin | Intact skin is the first line of defense for the immune system. It waterproofs the body and is the major receptor for touch |
| sebaceous glands | secrete sebum (oil) to lubricate the skin and discourage the growth of bacteria |
| sweat glands | Secrete sweat to regulate body temperature and water content and to excrete some metabolic waste |
| hair | aids in controlling the loss of body heat |
| nails | protect the dorsal surface of the last bone of each finger and toe |
| root word for SKIN | cutane/o, derm/o |
| root word for SEBACEOUS GLANDS | seb/o |
| root word for SWEAT GLAND | hidr/o |
| root word for HAIR | pil/i, pil/o |
| root word for NAILS | onych/o, ungu/o |
| Diaphoresis | means sweating |
| hirsutism | abnormal hairiness |
| alopecia | baldness |
| onchyomycosis | fungal infection of the nail |
| dermatitis | inflammation of the upper layers of skin |
| contact dermatitis | localized allergic reaction caused by contact with allergen |
| dermatosis | general term meaning skin lesion |
| Port wine stain | large, reddish discoloration of the face or neck |
| strawberry hemangioma | soft, raised birthmark. Usually resolve by age 7 |
| eczema | acute or chronic skin condition characterized by vesicles, pustules, scales and crusts |
| erythema | any redness of the skin |
| rosacea | chronic condition of unknown cause that produces tiny pimples and broken blood vessels |
| cellulitis | infection of the connective tissue causing severe inflammation within layers of the skin |
| gangrene | tissue necrosis (death). Usually associated with loss of circulation |
| impetigo | highly contagious bacterial skin infection. Pustules become crusted and rupture |
| tinea | ringworm, a fungal disease of the skin |
| pediculosis | lice |
| Eyes | receptor organ for sense of sight |
| iris | controls the amount of light entering the eye |
| retina | converts light images into electrical impulses and transmits them to the brain |
| lens | focuses rays of light on the retina |
| ear | receptor organ for the sense of hearing. also helps in maintaining balance |
| outer ear | transmits sound waves to the middle ear |
| middle ear | transmits sound waves to the inner ear |
| inner ear | receives sound vibrations and transmits them to the brain |
| scleritis | inflammation of the sclera |
| iritis | inflammation of the iris |
| otalgia | ear pain |
| stapedectomy | surgical removal of stapes |
| eustachitis | inflammation of the eustachian tubes |
| myringitis | inflammation of the tympanic membrane |
| otorrhagia | bleeding from the ear |
| myringotomy | surgical incision into the ear drum (tympanic membrane) |
| vertigo | dizziness, loss of balance |
| tinnitus | ringing or buzzing sound in the ear |
| otoplasty | surgical repair of the pinna |
| auditory ossicles | malleus, incus and stapes |
| myopia | nearsightedness. Light rays focus in front of the retina |
| hyperopia | farsightedness. light rays focus beyond the retina. common after age 40 |
| glaucoma | group of diseases caused by increase in intraocular pressure |
| conductive hearing loss | outer or middle ear does not conduct sound vibrations to the inner ear normally |
| noise-induced hearing loss | loss of sensitive hairlike cells of the inner ear - usually caused by repeated exposure to intense, loud noises |
| otitis media | inflammation/infection of the middle ear. most commonly seen in young children |