Subcutaneous and Nail Anatomy Notes

A set of fill-in-the-blank flashcards covering subcutaneous anatomy and nail structures based on the provided notes.

The subcutaneous layer is also known as the .

hypodermis

The subcutaneous layer is composed of connective tissue, adipose tissue, and .

nerves and blood vessels

The subcutaneous layer stores energy in the form of .

fat

The connective tissue in the subcutaneous layer contains fibers, giving it strength and flexibility.

collagen and elastin

The adipose tissue is made up of cells.

fat cells

The subcutaneous layer contains various nerve endings and blood vessels, which provide to the skin.

sensation

Subcutaneous injections are commonly used because the subcutaneous layer has a blood supply.

rich

Subcutaneous injections are generally than intravenous injections.

less invasive

The thickest areas of the subcutaneous layer are the .

buttocks and thighs

The lunula is the crescent-shaped whitish area at the base of the nail plate; it is the visible part of the .

nail matrix

The lunula is white because the cells in this area are still young and have not yet been fully .

keratinized

The eponychium, also known as the , is the layer of skin that covers the base of the nail plate.

cuticle

The proximal nail fold is continuous with the and helps protect the nail matrix.

eponychium

The proximal nail fold is highly vascularized and contains numerous that supply nutrients to the nail matrix.

blood vessels

The hyponychium is the layer of skin that lies beneath the distal end of the nail plate; it serves as a seal, preventing dirt and debris from entering the space between the nail plate and the .

nail bed

The distal nail fold is the fold of skin that covers the distal end of the nail plate; it is continuous with the and helps to anchor the nail plate to the fingertip.

hyponychium

The distal nail fold is less vascularized than the proximal nail fold, but still contains numerous .

blood vessels