8 (C) Skin Flashcards
What are the 3 layers of the skin
Epidermis
Dermis
Superficial fascia
Which layer of the skin has loose CT containing fat
Superficial fascia
Thick skin (another term)
Non hairy -> Glabrous
Thick skin can be found where
Hands
Soles of feet
Epidermis is made up of what type of epithelium
Keratinised Stratified Squamous epithelium
Which layer of the skin is very thin // absent
Stratum Lucidem
What are the 3 types of non-epithelial cells present in the epidermis
Melanocytes
Merkel cells
Langerhans
Sebaceous Glands // Hair follicles are absent on what?
Thick skin
Arrector pilli muscles are found in what layer?
Dermis
Arrector pilli muscles have what innervation? What does it also supply
SNS
Sebaceous glands
The Dermis contains what type of collagen fibres?
Irregular bundles of collagen fibres
The dermis is split into what 2 layers (outer to inner)
Papillary
Reticular
Papillary structure in the dermis –>
Superficial // loosely woven
Reticular structure in the dermis –>
Thicker // denser
Epidermal downgrowths ==>
Rete Bridges
Dermal upgrowths ==>
Dermal Papillae
A blister has caused seperation of what?
Epidermal junction
Which epidermis layer has the most active division of cells
Stratum basale
Hair follicles can be encircled with what?
Fast mechanoreceptors nerve endings
Hair follicles develop from the epidermis?
true