Term
| What are the underlying strucutres that give shape to the skin? |
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Definition
| bone, cartilage, muscle, adipose tissue |
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Term
| What is the scientific study of the skin? |
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Definition
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Term
| Clinically what might an overall paleness of the integument indicate? |
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Definition
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Term
| Clinically what might an overall rednss of the integument indicate? |
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Definition
| Increased body temperature from excretion or infection |
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Term
| Clinically what might a localized redness of the integument indicate? |
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Definition
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Term
| What organ is the integument? |
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Definition
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Term
| Why is the skin considered an organ? |
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Definition
| It consists of all 4 primary tissue types |
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Term
| Which of the four primary tissue types make up the integument? |
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Definition
| All of them: Epithelium, muscle, connective and nervouse tissues |
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Term
| What are the two layers of the integument? |
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Definition
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Term
| What are the two layers of the integument? |
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Definition
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Term
| What layer of tissue lies just deep to the inegument? |
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Definition
| Subcutaneous Layer (Sub Q or Hypodermis) |
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Term
List the funcitons of the integument: (7) |
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Definition
- Protection
- Prevention of water loss
- Temperature regulation
- Metabolic regulation
- Immune defense
- Sensory reception
- Excretion by means of secretion
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Term
| What type of tissue makes up the epidermis? |
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Definition
| Keratinized Stratified Squamous Epithelium |
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Term
| The epidermis lacks blood vessels. What medical term describes this? |
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Definition
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Term
Where is thick epidermis found? |
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Definition
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Term
| Where is thin epidermis found? |
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Definition
|
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Term
| What three pigments contribute to skin color? |
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Definition
| Hemoglobin, Melanin, Carotene |
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Term
| What is a harmless localized overgrowth of melanin-forming cells? |
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Definition
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Term
| What is a yeallowish or brown spot caused by localied areas of excessive melanocyte activity rather than an increase in melanocyte number? |
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Definition
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Term
| What is a congenital anomaly that results in skin discoloration due to blood vessels that proliferate and form a benign tumor? |
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Definition
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Term
| What are contours of the skin surface that form ridge paterns on the palmar aspect of the hand and the plantar surface of the feet? |
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Definition
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Term
| What layer of the dermis is superficial and contains capillaries and sensory receptors? |
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Definition
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Term
| What layer of the dermis is deeper and contains large amounts of collagen and consists of primarily of dense irregular connective tissue? |
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Definition
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Term
| What are lines of cleavage? |
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Definition
| Parallel bundles of collagen and elastic fibers in the siin resulting from the direction of applied stress during routine movement |
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Term
| Why are lines of cleavage clinically important? |
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Definition
| Any procedure resulting in a cut at right angles to a cleavage line is usually pulled open due to recoil from cut elastic fibers resulting in slow healing and increased scarring |
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Term
| Nerve fibers are extensively dispersed throughout the dermis. What is this property of the distribution of nerves to or in a part of the body? |
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Definition
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Term
| What two processes change the diameter of blood vessels and in the skin help regulate body temperature and blood pressure? |
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Definition
| Vasoconstriciton and Vasodialation |
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Term
| What are the functions of the Subcutaneous Fat? |
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Definition
| protection, energy reservoir, thermal insulation |
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Term
| How does the distribution of subcutaneous fat differ between men and women? |
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Definition
Women: Thicker, Accumulate it primarily in the breasts, hips, and thighs
Men: Accumulate it at the neck, upper arms, abdomen, along the lower back and over the buttox |
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Term
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Definition
| Scalelike modifications of the epidermis that form the dorsal surfaces of the tips of the fingers and toes |
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Term
| What are the functions of the nails? |
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Definition
| Protection and improve grip |
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Term
| What is the area of active growth in a nail? |
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Definition
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Term
| What is the whitish semilunar area at the proximal end of a nail? |
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Definition
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Term
|
Definition
| A filament of keratinized cells |
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Term
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Definition
| A filament of keratinized cells |
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Term
| What is the fine unpigmented, downy hair that first appears on the fetus in the last trimester? |
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Definition
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Term
| What is the fine unpigmented or lightly pigmented hair found on the arms and legs? |
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Definition
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Term
| What is the usually coarse, pigmented hair found in the scalp, eyebrows, eyelashes, axilla, and pubic region and the faces of adult males? |
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Definition
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Term
| What is the base of the hair and lying within the dermis? |
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Definition
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Term
| What is the portion of a hair from the bulb to the surface? |
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Definition
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Term
| What is the portion of the hair that extends beyond the skin surface? |
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Definition
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Term
| What is the oblique tube of epithelium that surrounds a hair? |
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Definition
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Term
| What smooth muscles produce "goose bumps"? |
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Definition
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Term
| List the Six functions of hair as given by McKinley and O'Loughlin. |
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Definition
Protection
Heat retention
Facial expression
sensory reception
visual identification
chemical signal dispersal |
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Term
| What type of sweat gland functions in thermoregulation? |
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Definition
| Merocrine glands (eccrine) |
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Term
| What type of sweat gland produces a distinct odor? |
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Definition
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Term
| What type of gland produces sebum to keep the skin and hair from becoming dry? |
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Definition
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Term
| What type of gland is located within the ear? |
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Definition
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Term
| What glands produce milk? |
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Definition
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Term
| What germ layer gives rise to the epidermis? |
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Definition
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Term
| What germ layer gives rise to the epidermis? |
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Definition
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Term
| What germ layer gives rise to the dermis? |
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Definition
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