Skin Anatomy and Physiology

Flashcards covering the structure, layers, functions, and various derivatives of the skin as described in the lecture notes.

What is the skin and what is its primary role?

The skin is the outer covering of the body that protects the organism from the external environment.

What are the five functions of the skin?

The functions include protection, thermoregulation, excretion, sensation, and metabolism.

What is the name and function of the outer layer of the skin?

The outer layer is the Epidermis, and its function is protection.

Which layer is the middle layer of the skin and what does it contain?

The Dermis, which contains blood vessels, nerves, hair follicles, and glands.

What is the deepest layer of the skin and what type of tissue does it contain?

The Subcutaneous Layer, which contains fat tissue.

What are the primary functions of the Subcutaneous Layer?

The functions are energy storage and insulation.

What are the two specific functions of hair mentioned in the notes?

Protection and heat retention.

What is the specific function of hooves?

To protect the distal parts of the digits.

What is the purpose of horns?

Horns are used for protection and defense.

How do sweat glands contribute to body maintenance?

They produce sweat and help regulate body temperature.

What is produced by sebaceous glands and what is its role?

They produce sebum, which protects the skin and hair.

What is a mammary gland?

A mammary gland is a modified skin gland that produces milk.

What four types of sensation are provided by skin innervation?

Touch, pain, pressure, and temperature sensation.

What provides the blood supply to the skin and where is it mainly located?

Blood supply is provided by skin arteries and skin veins, which are mainly located in the dermis.