Exam 1 Flashcards
What is the stratum lucidium?
Clear layer
What is the stratum corneum
Horny layer
What is the stratum granulosum?
Granular layer
What is the stratum spinosum?
Prickle cell layer
What is the stratum germinativum?
Basal cell layer
What is the function if the clear layer of skin?
It cushions and protects and is found on the hands and feet
What protein and pigment are found in the prickle cell layer?
Protein - keratin
Pigment - melanin
What are the 3 stages of the hair growth cycle?
Anagen
Catagen
Telogen
What is telogen?
Resting
What is Catagen?
Changeable transition
What is anagen?
Active or growing
What are the 2 types of hair found on the body?
Vellus
Terminal
What is vellus hair?
Fine hair which covers most the body is usually uh pigmented and has shallow follicles
What is terminal hair?
Storing pigmented hairs with deep follicles the grow on the scalp eyebrows under the arms and pubic areas
What are the 2 layers of the dermis?
Papillary
Reticular
What is collagen?
A protein found in white fibrous connecting tissue
What does collagen do?
In the skin it provides strength and resilience
What is elastin?
A protein that allows the stub the stretch then regain its shape
Desquamation is?
Shedding dead skin cells from the horny layer of the epidermis
What is keratinisation?
The process of cells hardening
What is carotene?
A pigment found in the granular layer of the epidermis
What is dermatitis?
An inflammation of the skin
What causes dermatitis?
Irritants
