Skin, Hair and Associated Glands Flashcards
Functions Of Skin?
Protection
Immunity
Sensory
Secretion
Production
Storage
Thermoregulation
Communication
pH of dog and cats skin
Canine pH- 7.4
feline pH- 6.4
Vitamin D helps to absorb what mineral? and in what organ?
Calcium Ca+
absorbed in the instestines
Structure Of Skin
Made up of what 3 layers
- Epidermis
- Dermis
- Hypodermis/subcutaneous
Thickness of skin in a dog
- Dogs 0.5 – 5 mm
Thickness of skin in a cat
- Cats 0.4 – 2 mm
Is the Epidermis avascular?
Yes
What type of tissue is the epidermis layer?
Stratified squamous epithelial tissue
How many cells thick is the stratified squamous epithelial tissue in the epidermis?
- 4-5 cells thick
Layers of the epidermis?
From least superficial
- Stratum basale/germinativum layer.
-Stratum spinosum
-Stratum granulosum - Stratum lucidum
- Stratum corneum
How long does it take for cells to migrate from stratum Basale > stratum granulosum
Approx 22 days
Dermis contains?
- Blood vessels
- Lymph vessels
- Nerves
- Glands
- Hair follicles
Dermis tissue type?
Dense connective tissue
What is the tissue is the Hypodermis/Subcuticular Layer of skin?
Loose connective tissue
Fat cells
Elastic fibres
The mechanoreceptors ‘Pacinian Corpuscles’ found in the skin detects?
pressure and vibration.