Chp5 Integumentary Sustem Flashcards
Stages in regeneration after an injury?
• 1.2,3,4
Are tickets genetic?
• no
Large quantities of Keratin are found in the epidermal layer called
• Stratum corneum
Water loss through evaporation of fluid that has penetrated through the skin is termed
• insensible loss
Characteristics of epidermis
- Multilayered
- Flexible
- Serves as UV radiation protection
- Contains desmosomes
Glands that discharge an oily section into hair follicles
•sebaceous glands
Primary pigment contained in the epidermis are?
- Carotene
2. Melanin
Protein that permits stretching and recoiling of skin?
• Elastin
In penetrating wounds; what divides to produce mobile cells that repair the dermis?
• Fibroblast
Why is an elderly person more prone to skin infections?
• They have fewer dendritic cells in the skin of the elderly
Layer of skin that contains bundles of collagen and elastic fibers responsible for the strength of the skin is?
• reticular layer
Why is pigment melanin important?
- usually shade of brown and black
- protects DNA from damaging effects of UV radiation
- produced from amino acid tyrosine
- produced by cells called melanocytes
Dense connective tissue that surrounds a muscle and blends with tendon?
• deep fascia
Body’s first tissue response to any injury?
• inflammation
Framework connective tissue between the skin and the U delaying muscles is called?
• Superficial fascia
