Term
| What is the primary organ of the INTEGUMENTARY System? |
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Definition
| The primary organ is the SKIN. |
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Term
| In addition to the SKIN, what APPENDAGES are included in the INTEGUMENTARY System? |
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Definition
It includes:
Hair & nails; Sweat & oil glands; Receptors of pain, pressure, touch, and tempurature. |
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Term
| What is the difference between the terms "DERMAT-" and "INTEGUMENT-"? |
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Definition
| "DERMAT-" refers only to the skin. "INTEGUMENT-" refers to the skin and the appendages as a whole. |
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Term
| How much does the INTEGUMENTARY System weigh/what percetage of the body's weight? |
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Definition
| 20lbs or 16% of the body's total weight. |
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Term
Name the four major functions of the skin.
(hint: PPAE) |
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Definition
| Protection, Perception, Absorption, Excretion. |
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Term
| What three things does the SKIN protect the body from? |
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Definition
| Invasion by bacteria, underlying tissue from injury, loss of body fluid. |
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Term
| Which system does the SKIN work with to provide a sense of touch? |
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Definition
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Term
| What does our sense of touch help us perceive? |
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Definition
| Pain, heat, cold, and pressure. |
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Term
| What does the SKIN absorb? |
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Definition
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Term
| What do the HAIR FOLLICLES and GLANDS absorb? |
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Definition
| Vital vitamins and minerals. |
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Term
| What three things does the SKIN excrete? |
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Definition
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Term
| What are the two alternate important functions of the SKIN, which were discussed in the lecture? |
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Definition
| Appearance and Protection/Defense (specifically, nails) |
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Term
| What happens to BLOOD VESSELS when the tempurature control center of the brain senses that the body is TOO HOT? |
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Definition
| They DILATE so heat can ESCAPE the skin's surface. |
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Term
| What happens to BLOOD VESSELS when the tempurature control center of the brain senses that the body is TOO COOL? |
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Definition
| They CONSTRICT to PREVENT heat loss from the skin surface. |
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Term
| Name the three layers of the SKIN. |
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Definition
| Epidermis, Dermis, Hypodermis/Subcutaneous Tissue |
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Term
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Definition
| The top layer of the skin. |
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Term
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Definition
| The middle layer of the skin. |
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Term
| What is the HYPODERMIS or SUBCUTANEOUS TISSUE? |
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Definition
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Term
| What is found in the DERMIS layer of the SKIN? |
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Definition
| Blood vessels, sweat & oil glands, nerves, hair follicles, small amounts of fat. |
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Term
| What is found in the HYPODERMIS layer of the SKIN or SUBCUTANEOUS TISSUE? |
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Definition
| Blood vessels, nerves, and most of the fatty tissue. |
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Term
Name the four APPENDAGES of the SKIN.
(Hint: SOHN) |
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Definition
| Sweat glands, Oil glands, Hair, and Nails. |
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Term
| When hair growth originates, what is the small cluster of cells called? |
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Definition
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Term
| Where is the HAIR PAPILLA found? |
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Definition
| At the base of each follicle. |
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Term
| What are the hairs on a new born baby called? |
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Definition
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Term
| What are the two parts of a HAIR? |
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Definition
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Term
| What is the ROOT of a HAIR attached to? |
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Definition
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Term
| What is the visible part of a HAIR called? |
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Definition
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Term
| What is the SHAFT of a HAIR made of? |
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Definition
| Dead cells, impregnanted with Keratin. |
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Term
| What must be alive for a HAIR to grow? |
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Definition
| The cells in the PAPILLA. |
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Term
| What is the name of the small smooth muscle that is attached to the base of the DERMAL PAPILLA and HAIR FOLLICLE? |
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Definition
| ARRECTOR PILI or PILOMOTOR |
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Term
| What does CONTRACTION of the PILOMOTOR cause? |
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Definition
| It causes hair to stand on end, and it causes goosebumps. |
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Term
Name the three major parts of the NAIL.
(Hint: CLN) |
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Definition
| Cuticle, Lanula, Nail Body. |
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Term
What are the three major types of GLANDS?
(Hint: SSC) |
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Definition
| Sudoriferous (sweat glands), Sebacious, Ceruminous. |
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Term
| What are the two sub-types of SUDORIFEROUS (SWEAT) glands? |
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Definition
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Term
| What do ECCRINE glands produce? |
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Definition
| Transparent watery liquid called perspiration. |
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Term
| What do ECCRINE glands help eliminate? |
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Definition
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Term
| What is the term for DUCTS that come from the ECCRINE glands? |
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Definition
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Term
| Where are APOCRINE glands found? |
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Definition
| In the armpits and genital areas. |
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Term
| What type of secretion do the APOCRINE glands produce? |
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Definition
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Term
| Where do SEBACEOUS glands grow? |
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Definition
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Term
| What is the term for the OIL excretion of SEBACEOUS glands? |
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Definition
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Term
| What does the accumulation of SEBUM cause? |
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Definition
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Term
| Where are CERUMINOUS glands found? |
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Definition
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Term
| What do CERUMINOUS glands produce? |
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Definition
| Cerumen, also known as ear wax. |
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Term
| What is the purpose of CERUMEN or EAR WAX? |
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Definition
| To keep the ear drum pliable and keep it from from drying out |
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Term
| What do the terms AREOLAR and ADIPOSE refer to? |
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Definition
| Fatty tissue of the skin. |
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Term
| What does the SUBCUTANEOUS TISSUE or the HYDODERMIS connect? |
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Definition
| It connects the DERMIS to the underlying muscle. |
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Term
| What does the SUBCUTANEOUS TISSUE protect? |
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Definition
| It protects the underlying structure. |
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Term
| What does the SUBCUTANEOUS TISSUE store? |
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Definition
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Term
| What does the fat in the SUBCUTANEOUS TISSUE provide? |
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Definition
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Term
| What is the SUPERFICIAL FACIA comprised of? |
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Definition
| AREOLAR and ADIPOSE tissue (Fatty tissue) |
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Term
| What does MELANIN do to the skin? |
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Definition
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Term
| What does VITAMIN D do for the body? |
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Definition
| Helps in the absorbtion of Calcium. |
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Term
| How is MELANIN and VITAMIN D stimulated in the body? |
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Definition
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