Concepts
Planes of the Body
Quadrants & Regions
Directional terms
Anatomical Combining Forms
100

This type of tissue supports, protects, and binds other tissue together. It includes cartilage, bone, tendon and fat and other soft padding tissue.

Connective Tissue

100

This plane divides the body into front half and back half.

Frontal or Coronal Plane

100

This region is in the central abdomen around the belly button

umbilical region

100

Farther away from the point of origin

Distal

100

This combining form refers to the heart

Cardi/o or card/i

200

The state of equilibrium that the body continually works to maintain

Homeostasis

200

This plane divides the body into top half and bottom half.

Transverse or horizontal plane

200
This quadrant is on the patient's right side and contains the appendix, small and large intestines.

RLQ or right lower quadrant

200

Closer to the midline of the body

Medial

200

This combining form refers to nerves

Neur/o

300

This structure separates the abdominal cavity from the thoracic cavity.

Diaphragm

300

This plane divides the body into right half and left half

Sagittal or median plane

300
This midline region literally means 'pertaining to below/deficient the stomach'

Hypogastric region

300

Closer to the surface

Superficial

300

This combining form refers to bones

Oste/o
400

This type of muscle is involuntary and lines organs, including the blood vessels, stomach, and intestines.

Smooth Muscle

400

Most trunk twisting motions take place in this plane.

Transverse plane

400

This quadrant is on the patient's left side and contains the stomach, spleen and left side of the liver.

LUQ or left upper quadrant

400

Toward the back

Posterior or dorsal

400

This combining form refers to the liver

Hepat/o

500

This cell type is unspecialized and is the precursor to all other cells in the body. 

Stem Cells

500

Jumping jacks typically take place in this plane of motion.

Frontal or coronal plane

500

This region is located at/under the patient's right ribs and translates to 'pertaining to below/deficient to cartilage'

right hypochondriac region

500

Toward the tail (as opposed to the head)

Inferior or caudal

500

This combining form refers to the throat

Pharyng/o