Introduction Flashcards
Atoms and molecules
Chemical Level
Cell, basic structural and functional unit of life
Cellular Level
Tissue, similar cells that perform a common function
Tissue Level
Organ, two or more kinds of tissues integrated to perform specific functions
Organ Level
Organism, has several organ systems which work together to maintain life
Organismal Level
Upright, feet parallel, eyes and palms forward
Anatomical Position
Imaginary lines or actual dissecting cuts (sections) which may be used to “section” the body or an organ
Planes of Reference
Divides the body or organ into unequal right and left portions
Sagittal
Divides the body or organ into equal halves (right and left portions)
Midsagittal
Divides the body or organ into anterior (front) and posterior (back) portions
Coronal (=Frontal)
Divides the body or organ into superior (top) and inferior (bottom) portions
Transverse (= Horizontal, Cross-Sectional)
Divides the body or organ into slanted, diagonal portions
Oblique
In front of; toward the front surface
Anterior
In back of; toward the back surface
Posterior
Toward the back side of the human body
Dorsal
Toward the belly side of the human body
Ventral
Closer to the head
Superior
Closer to feet
Inferior
At the rear or tail end
Cuadal
At the head end
Cranial (cephalic)