Dermatology and histology

epidermis: outer layer of the skin

dermis

middle layer of skin

hypodermis

the layer of skin beneath the dermis, which serves as a storage repository for fat

median cubital vein (or antecubital vein)

The vein of choice because is it large and does not tend to move the the needle is inserted.

cephalic vein

Large vein on the outermost side of the upper arm

basilic vein

large vein on the inner side of the upper arm

thick skin

Covers the palms of the hands and soles of the feet

Has 5 layers of keratinocytes

thin skin

Covers most of the body

Has four layers of keratinocytes

nervous tissue

A body tissue that carries electrical messages back and forth between the brain and every other part of the body.

neuron

a nerve cell; the basic building block of the nervous system

glial cell

cells in the nervous system that support, nourish, and protect neurons

muscle tissue

A body tissue that contracts or shortens, making body parts move.

skeletal muscle

A muscle that is attached to the bones of the skeleton and provides the force that moves the bones.

cardiac muscle

Involuntary muscle tissue found only in the heart.

smooth muscle

Involuntary muscle found inside many internal organs of the body

epithelial tissue

A body tissue that covers the surfaces of the body, inside and out

squamous cell

flat, scale-like epithelial cell

cuboidal cell

cube shaped cells

columnar cell

column shaped cells

connective tissue

A body tissue that provides support for the body and connects all of its parts

loose (areolar) connective tissue

type of connective tissue with small amounts of cells, matrix, and fibers; found around blood vessels

adipose tissue

Tissue that stores fat.

dense irregular connective tissue

Function: able to withstand tension exerted in many directions; provides structural strength

Location: fibrous capsules of organs and joints; dermis of the skin; submucosa of digestive tract

dense regular connective tissue

Function: attaches muscles to bones or to muscles; attaches bones to bones; withstands great tensile stress when pulling force is applied in one direction

Location: tendons, most ligaments, aponeuroses

Cartilage

strong connective tissue that supports the body and is softer and more flexible than bone

bone

Dense, hard connective tissue composing the skeleton

extracellular matrix

The chemical substances located between connective tissue cells