Directional Terms
The Cell
Key Terms
Body Systems
Miscellaneous
100

Away from the head

inferior

100

The outside layer of the cell

cell membrane

100

Imaginary line that divides the patient's face into equal right and left sides

midsagittal plane

100

funtion: breathing

Respiratory System

100
study of the shape and structure of the body

anatomy

200

Nearer to the front of the body

anterior

200

gel-like substance that holds the organelles

cytoplasm

200

Three imaginary lines used to divide the body into sections

body planes

200

funtion: coordination of body activities

nervous

200

the four levels of organization from simplest to most complex

cells, tissues, organs and body systems

300

Nearer to the midline of the body

medial

300

simplest organizational level of the body

cell

300

Pertaining to the body region that consists of the arms and legs

appendicular

300

function: produce offspring

reproductive

300

region which contains the head, neck and trunk

axial region

400

Further from the attachment of an extremity

distal

400
Control Center of the Cell
nucleus
400

Contains the heart, lungs, esophagus, and trachea

thoracic cavity

400

function: release hormones

endocrine

400

four types of tissue

connective, muscle, epithelial, nervous

500

on the back

dorsal

500

Contains the DNA

chromosomes

500

Term for the specialization function of cells.

differentiation

500

function: first line of defense

integumentary

500

immature, unspecialized cells of the body

stem cells

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