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10 Cards in this Set
- Front
- Back
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5 Layers of the epidermis |
Stratum corneum, lucidum, granulosum, spinosum, basale |
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Melanocytes are located in this epidermal layer |
Stratum basale |
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Carotene is located in this epidermal layer |
Stratum corneum |
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Two pigments that influence skin color |
Melanin and carotene |
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Most common form of skin cancer |
Basal cell carcinoma |
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Three layers of the skin |
Epidermis, dermis and hypodermis |
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Accessory structures of hairs |
Shaft, root, root hair plexus, cuticle, cortex, medulla, matrix, arrector pilli and sebaceous gland. |
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Two types of Exocrine glands |
Sebaceous and sweat |
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Nail structures |
Nail body, Nail bed, lunula, nail root, eponychium (cuticle), hyponchium |
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Healing time of bone vs cartilage |
The reason that bone injuries heal faster than cartilage injuries has to do with the ability of the cells in each tissue to respond to injury by dividing and making new tissue. The cartilage that makes up the slippery, gliding surfaces of your joints, like knees, wrists, between your vertebrae, is inhabited by specialized cells called “chondrocytes.” They live within the cartilage and are pretty inactive once the bones have formed and grown to full size. They respond very little to injuries, and they hardly ever divide after growth is complete. Damage to the joint cartilage (“articular cartilage”) can be very painful and crippling, whether from an injury or from arthritis. Bone, on the other hand, is covered by cells that can divide and make new bone. |
