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Integument Set II
Stack #176135
| Question | Answer |
|---|---|
| LANUGO | Delicate, unpigmented hair that cover the 5-6th month old fetus. |
| TERMINAL HAIRS | Long, coarse, and pigmented hair that replaces lanugo on the scalp, eyelids, and eyebrows and in various areas at puberty. |
| VELLUS HAIRS | Short, fine, and unpigmented hair that replaces the lanugo on the rest of the body. |
| SHAFT OF HAIR | Part of the hair that protrudes above the skin surface. |
| ROOT OF HAIR | The part of the hair below the surface of the skin. |
| MEDULLA | The central axis of the hair that contains soft keratin. |
| CORTEX | The large middle layer of the hair that contains hard keratin. |
| CUTICLE | A single layer of cells that forms the surface of the hair. |
| HAIR BULB | An expanded knob at the base of the hair root which contains the blood vessels for nourishment of the hair matrix which is where new hair forms. |
| MATRIX | Inside the hair bulb; undifferentiated cells that form new hair. |
| ARRECTOR PILI MUSCLE | Attached to the hair follicle; produce "goosebulbs" |
| SEBACEOUS GLANDS | Holocrine glands associated with the hair follicle; oil glands; prevents drying and protects against bacteria. |
| SEBUM | Oily, white substance rich in lipids. |
| SUDORIFEROUS GLANDS | Sweat glands |
| ECCRINE/MEROCRINE SWEAT GLANDS | Most common type of sweat gland; regulate temperature |
| APOCRINE SWEAT GLANDS | Sweat caused by emotional responses which has an odor (odorless at first, then bacteria attack it and an odor appears). |
| CERUMINOUS GLANDS | Earwax glands |
| NAIL ROOT | Part of the nail covered by skin |
| NAIL BODY | Visible portion of the nail. |
| NAIL MATRIX | Part of the nail beneath the nail fold |
| NAIL BED | The skin beneath the nail. |
| HYPONYCHIUM | Beneath the free edge of the nail body. |
| EPONYCHIUM | The cuticle. |
| LUNULA | The whitish crescent-shaped area at the base of the nail. |