What is the epidermis?
most superficial layer of skin
Columnar, when referring to epithelial tissue means?
tall, column shaped cells
How does skin help maintain body temperature?
It insulates, vasoconstriction/dialation, goose bumps, sweating/shivering
What is the hair root?
The part of the hair implanted in the skin
What are the four main tissue types?
epithelial, connective, muscle and nervous
What is the dermis?
Middle layer, tough, leathery fibrous connective tissue
Simple, when referring to epithelial tissue means?
1 layer
What specific type of tissue is the subcutaneous layer made of?
loose connective tissue, adipose
This sturcture aids in the cooling of the body.
The sweat gland
This tissue would be found in the spinal cord.
Nervous
Name the layers of skin in order from superficial to deep.
epidermis, dermis, subcutaneous
Many layers of thin flat cells would be named?
stratified squamous
Why are tattoos permanent?
the dermis does not shed
This helps protect from UV radiation and provides skin with pigment.
melanin
This tissue type is found inside the walls of organs.
epithelial
What are the functions (at least 2) of the skin?
Protection, Water Balance, Temperature Regulation, Receptor Organs, Blood Reservoir, Vitamin D Production
One layer of square shaped cells would be named?
simple cuboidal
Name 4 contents of the dermis.
blood vessels, capillaries, nerves, hair shaft, hair follicle, arrector pili muscles, sweat glands, sebacous glands,
What is the function of subaceous glands?
secretes oil (sebum)
The most common type of skin cancer
What is basal cell carcinoma
When a injury happens and blood vessels break, what will form?
Clot
What 2 ways are epithelial tissues classified?
They are classified by shape and number of layers
What specific tissue type is the epidermis made up of?
stratified squamous epithelial
Why/how does acne occur?
Over production of sebum (oil), clogs pores
This tissue would be found in a tendon.
Connective