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48 Cards in this Set

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  • Back
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Name 6 functions of the Integumentary system
1) chemical barrier
2) physical barrier
3) temperature regulation
4) sensory
5) metabolic
6) excretion
Three layers of canine skin
Epidermis, Dermis, Hypodermis
Name 4 cell types of the epidermis and give their purpose
1)keratinocytes- make keratin for waterproofing
2)melanocytes- melanin for UV
3) Langerhans cells- help fight invading microorganisms
4) Merkel cells- involved in sense of touch
Name the 5 layers of Epidermis in dogs
1) Stratum basale
2) Stratum spinosum
3) Stratum granulosum
4) Stratum lucidum
5) Stratum corneum
"Cher Likes Getting Skin Botoxed" (from superficial to deep)
Which epidermal layer is not found on most of the canine body, and where is it found?
Stratum lucidum, found only in thick and hairless skin, such as paw pads.
In which stratum do you find Langerhans cells?
St. spinosum
Which epidermal layer helps prevent deydration?
Stratum granulosum
Which epidermal layer consists mostly of dead cells?
Stratum corneum
Which epidermal layer is the home of dividing cells?
Stratum basale
In which epidermal layers do you find melanocytes?
Throughout epidermis
What sort of tissue makes up the dermal layer?
Connective tissue
What are the layers of the dermis?
1) papillary- loose connective tissue
2) reticular- dense connective tissue
The papillary layer is ______ to the epidermis
deep to the epidermis
The reticular layer is _______ to the papillary layer.
deep to the papillary
The Hypodermis is also known as
Subcutis/ subcutaneous layer/ superficial fascia
Name 5 functions of the hypodermis:
1) anchors skin to underlying structures
2) Allows skin to slide relatively freely over structures
3) Absorbs shock
4) Insulates
5) Contains Pacinian corpuscles (sensitive to heavier touch)
Name 4 things that make up the integumentary system
skin, hair, nails, glands
Which layer anchors skin to underlying structures:
a) epidermis b) dermis c) hypodermis?
C) hypodermis
Which layer contains oil glands and sweat glands?
a) epidermis b) dermis c) hypodermis?
B) Dermis
Which layer absorbs shock and insulates?
a) epidermis b) dermis c) hypodermis?
c) hypodermis
Which layer protects from UV damage?
a) epidermis b) dermis c) hypodermis?
a) epidermis
Which layer contains Pacinian corpuscles?
a) epidermis b) dermis c) hypodermis?
C) hypodermis
Paw pads have how many epidermal layers, and which is the thickest
have all 5 epidermal layers, stratum corneum is thickest
Paw pads are made up of:
insulating fat and connective tissue
Where do you find exocrine sweat glands in a dog?
paw pads only
Which three epidermal layers are found in the Planum Nasale?
Str. basale, spinosum, corneum
The skin of the Planum Nasale contains no _____
glands (also no str. granulosum, or lucidum)
Name four types of glands in the dog.
1) Sudoriferous (sweat)
2) tail
3) anal
4) sebaceous
Sebaceous glands are found everywhere but ____
on the paw pads
Anal glands are normally expressed during ______
defecation (or when the dog runs into a plate glass door)
Most sebaceous glands have a single gland that empties into ____
a hair follicle
Name three uses for claws.
Predatory/ protective
digging
traction/ movement
Describe the three types of animal hair.
1) primary- guard hairs (one in a compound follicle)
2) secondary- several (up to 15 in one follicle)
3) tactile/sinus- surrounded by venous cavity, sensory nerves
Where do you find tactile/ sinus hairs?
found on sides of muzzle and over eyes.
Describe a double coat.
Long primary hair w/ shorter undercoat
Name 5 subtypes of double coat and name a breed that has it.
1) Corded- puli, commodor
2) Long- poodle, afgan
3) Broken- terrier
4) Medium- cockers, setters, corgis
5) Curly- port water dogs, irish springer spaniels
Describe a single coat and name a breed that has it.
has just a primary hair, no undercoat, greyhound, dobie, maltese, great dane, papillion
What metabolic functions are performed by the skin?
stores nutrients, synthesizes Vitamin D
What substances are excreted through the integumentary system?
sweat, water, salt, organic waste
Name 5 benefits of massage on the integumentary system.
1) transmits psychological benefits of touch
2) oils (used on furless areas) can protect and nourish skin
3) Increased circulation helps to maintain healthy skin
4) Helps remove dry scaly skin
5) Reduces excessive scar tissue
How does massage stimulate vasomotor activity in skin?
by creating increased circulation and heat
What is one benefit of increased circulation in the skin?
bringing additional nutrition
Stimulating the sudiferous glands would cause increased _________.
Insensible perspiration
hyperemic
reddish pink
Stimulated sebaceous glands produce _____.
This helps improve:
sebum

improves skin's condition, texture and tone
How does skin help regulate temperature?
sweat glands eliminate excess body heat.
Tail glands are most active during _________ and _______.
Puberty and estrus
Tail glands are used for:
scent marking and ID