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Capp #7
Integumentary System
| Hint | Answer |
|---|---|
| Hair-Composition | Keratin, Melanin |
| Hair- Function | protection from injury, sun, heat loss, or foreign particles |
| Hair- nerve ending | Sensitive to touch |
| Hair- oil | Sebaceaous gland |
| Hair - muscle | Arrector pili |
| Sebaceaous Gland | Secrete Sebum (oil) |
| Sebeceaous Gland - location | Every where but palms and soles |
| Sebaceaous Gland - function | prevent skin from drying out, inhibits bacterial growth and keeps skin flexible |
| Acne | over-production of sebum with bacterial growth (pimple) |
| Sudoriferous glands | Secrete sweat, directly onto skin |
| Sudoriferous glands- function | Regulate body temp (evaporation), eliminate waste (urea) |
| Eccrine gland (sudoriferous gland) | Most common type, forehead, palms and soles with watery secretion |
| Apocine gland (sudoriferous)- location | "smelly areas", axilla, inguinal, breast regions |
| Apcine gland (secretetion) | Phermones attracts- oposite sex |
| Ceruminous glands | Secrete ear wax (modified sudoriferous gland) |
| Ceruminous gland function | traps foriegn particles and bugs to prevent damage to ear |
| Mammary glands secrete | Milk |
| Mammary gland is modified | Sudoriferous gland |
| Nipple | pigmented projection where all milk ducts empty |
| Areola | circular pigmented area around nipple, rough due to oil glands |
| Mammary gland function | Lactation (synthesis, seccretion and ejection of milk |
| Nails are composed of: | hard keratin plates |
| Nail- function | Grasp/manipulate objects, protection end of finger or toe |
| Nails grow: | 1 mm per week |