Positional Terms
Anatomical Terminology
Basic Terminology
Body Regions/Cavities
Organ Systems
100

above something

superior

100
outside of something, outer layer

exo

100

increase in size while the shape remains stable

growth

100

the spine is in this cavity

spinal cavity

100

The heart and blood vessels are in this system. 

Circulatory or cardiovascular system

200

below something

inferior

200

plane that cuts the body into a front and back

frontal

200

breakdown of food into nutrients

digestion

200

The brain is in this cavity

Cranial

200

The stomach and intestines are in this system.

Digestive system

300

in front of

anterior

300

towards the body

'ad'

300

change in position

movement

300

The whole front side of the body

ventral

300
Our lungs and trachea are in this system.

Respiratory

400

behind something

posterior or retro

400

around something

peri

400

reaction to internal or external changes

responsiveness

400

The whole back side of the body

dorsal

400

Our kidneys and bladder are in this system.

Excretory or renal system

500

towards the center of the body

medial

500

middle layer

medi, meso

500

movement of one substance into another

absorption

500

The lungs are in this cavity

thoracic cavity

500

This systems protects us from invading pathogens.

Immune system

600

Cuts the body into a top and bottom half (plane)

transverse

600

muscular layer

myo

600

away from the body (not lateral)

'ab'

600

The bladder and reproductive organs are in this cavity

Pelvic cavity

600

Skin, nails and hair are in this system

Integumentary

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