Term
|
Definition
Prevents drying out
Protection
Maintains temperature
Waste management
Synthesizes vitamin D |
|
|
Term
| Layers of Integumentary System |
|
Definition
Epidermis - outer layer
Dermis - middle layer
Hypodermis - inner layer |
|
|
Term
|
Definition
Germinativum (Basal)
Spinosum
Lucidum
Corneum |
|
|
Term
|
Definition
Keratinocytes - produce keratin
Melanocytes - produce melanin
Merkel Cells
Langerhans Cells |
|
|
Term
| Germinativum (Basal) Layer |
|
Definition
Bottom layer
Keratin cells
produce new cells |
|
|
Term
|
Definition
Spiny layer
Holds things together
Desmosomes
Waterproof |
|
|
Term
|
Definition
Middle layer
Paw pads
Thick area |
|
|
Term
|
Definition
Clear layer
Thick
Keratin fibers
Waterproof |
|
|
Term
|
Definition
Top layer
Dead skin cells
|
|
|
Term
|
Definition
|
|
Term
|
Definition
Hair like folds
knoblike elevations
Tactile hair - whiskers
Epidermal papillae |
|
|
Term
|
Definition
Dense irregular tissue
Hair follicals
Blood vessels
nerve endings
Glands |
|
|
Term
|
Definition
|
|
Term
|
Definition
Areolar tissue
Loose
Scruff
Continuous with the dermis
Stores fat for nutrition |
|
|
Term
|
Definition
Presence or absence of melanin granules
The more granules, the darker the skin
MSH
Protects from the sun |
|
|
Term
|
Definition
Fat and connective tissue with exocrine sweat glands
Toughest skin
Has all epidermal layers
Conical papillae |
|
|
Term
|
Definition
Top of the nose in cats, dogs, pigs, and sheep
|
|
|
Term
|
Definition
The muzzle of cows and horses
Three layers; basal, spinous, corneum |
|
|
Term
|
Definition
Vestigial
Dark, horny structures found on the legs of horses |
|
|
Term
| Cutaneous Puches in Sheep |
|
Definition
Infolding of skin
Glandular
Infraorbital, interdigital and inguinal
Secrete fatty yellow substance |
|
|
Term
|
Definition
Camo
Temperature regulation |
|
|
Term
|
Definition
Shaft
Follicle
Root
Hair bulb
Papillae |
|
|
Term
|
Definition
Cuticle
Cortex
Medulla
Touch receptor |
|
|
Term
|
Definition
Anagen phase - growth
Catagen phase - inbetween
Telogen phase - rest
Shedding
Genes, hormones, sunlight, and temperture affect growth |
|
|
Term
|
Definition
Melanocytes - melanin
Colors are determined by how much melanin |
|
|
Term
|
Definition
Primary/guard hairs - one hair coming out of a primary follicle
Long and silky
Secondary hairs - manys hairs coming out of a secondary follicle
Short and dense
Tactile hairs - whiskers (thick and movable)
|
|
|
Term
|
Definition
Small, smooth muscle
Atached to each follicle
Innervated by sympathetic nervous system |
|
|
Term
|
Definition
Sebaceous
Sweat
Tail
Anal |
|
|
Term
|
Definition
Dermis
Single duct emptying into a follicle
Secretes seabum - oils thats protect and moisterize |
|
|
Term
|
Definition
Dermis
Waste and heat regulation
Eccrine - pads - empty into skin
Apocrine - throughout body - empty in follicle
|
|
|
Term
|
Definition
Dog - dorsal tail coccigital 5 - 7
Cat - whole tail
Secretes sebacous and aprocrine
Species recognization |
|
|
Term
|
Definition
Vestigial
located 5 - 7 o'clock around anus |
|
|
Term
|
Definition
Hard over coverings of the distal digits
Nail
Traction, defense, mark territory |
|
|
