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Skeletal & Integumen
Chapter 12 & 13 Tuesday nite class
| Question | Answer |
|---|---|
| deepest layer of the epidermis | stratum germinativum |
| contains blood and lymph vessels, and never endings | dermis as a whole |
| serves as a protective cushion for the upper skin layers | Epidermis as a whole |
| found in the thick skin of the hands and feet | stratum lucidum |
| outer-most layer of skin containing completely keratinized cells | stratum corneum |
| this layer is 3 to 5 cells deep | stratum granulosum |
| layer between the stratum germanativum and granulosum that is also named the "pricky layer" | stratum spinosum |
| this layer of skin is avascular because the nutrients & oxygen diffuse from the rich supply of blood in the underlying dermis | Epidermis |
| skin color can be determined by the amount of oxygen present in teh capillaries of the ____? | dermis |
| UV light from the sun stimulates the formation of _____ and therefore darkens the skin. | Melanin |
| a rough protein found in the epidermis, serves to protect the surface of the skin by Waterproofing it and contributing to the body's immune defenses | Keratin |
| Unnatural paleness or lack of color in the skin is referred to as ____? | Skin Pallor |
| these glans secrete sweat | Sudoriferous |
| the dermis layer is composed of 70% of ____? | Collagen |
| Pouch like depressions in the skin that enclose the hair shaft | hair follicles |
| muslces in the hair that pull the hair upright on the skin. | Arrector Papillae |
| hair is made up of ____ filaments arising from a specialized follicle in the dermis | Keratin |
| detects light touch (pressure), monitor vibration and adapts to stimuli slowly | Meissner Corpulse |
| respond to superficial pressure and skin displacement | Merkel Disk |
| Deep-pressure sensitive, perceives proprioceptive information about joint positions, and adapt to stimuli | Pacinian Corpulse |
| Stimulated by lowering temperatures and are found widely distributed in the subcutaneous layer | Krause end bulbs |
| detects pain and is located in all parts of the body | Free never ending |
| a receptor that alerts us when experiencing deep or continuous pressure or when teh temperature is increased | Ruffini end organs |
| alerts us of goose bumps on the skin, a small breeze, or perhaps an intrusive insect | hair-follicle receptor |
| process of blood cell formation occuring in red marrow of long bones | hemopoiesis |
| small round bone found in tendons | sesamoid |
| cylindrical shaft of a long bone | diaphysis |
| cavity located within the center of the diaphsis | medullary |
| dense fibrous sheath surrounding a diaphysis | periosteum |
| end of a long bone | epiphysis |
| grown portion of a long bone | metaphysis |
| bone-forming cell | osteoblast |
| synoymous with the word joint | arthrosis |
| places on bones where muscles, tendons and ligaments attach and where nerve and blook vessels pass | bony markins |
| inner region of a joint capsule lined with synovial membranes | cavity |
| freely movable joints | diarthroses |
| lateral rotation of the forearm so that the palm is turned up | supination |
| movement toward the median plane | adduction |
| extension of the ankle so that the toes are pointed downward | plantar flexion |
| flexing the ankle dorsally so that the toes are moving toward the shin | dorsiflexion |
| movement backward | retraction |
| elevation of the medial edge of the foot so that the sole is turned inward | inversion |
| occurs when distal end of a joint moves in a circle and the proximal end is relatively fixed | circumduction |
| movements away from median plane | abduction |
| movement occuring when a bone moves around its own central axis | rotation |
| movement forward | protraction |
| joint where only rotation is permitted | pivot |
| joint with the greatest range of movement | ball and socket |
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leahc2311
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