Chapter 2 Body Structure Flashcards
Anterior
Toward the front of the body, organ, or structure
Anter=anterior, front
-ior=pertaining to
Anteroposterior
Pertaining to the front and back of the body or passing from the front to the back of the body
Inferior
Pertaining to below, lower, or toward the tail
Infer= lower, below
-ior=pertaining to
Scan
Process of using a moving device or a sweeping beam of radiation to produce images of an internal area, organ, or tissue of the body.
Cellular level
Molecules combine to form cells, the basic structural and functional units of the body
Tissue level
Groups of cells that work together to perform a specialized function
Organ level
Structures that are composed of two or more different types of tissue; they have specific functions and usually have recognizable shapes.
System level
Related organs with a common function; also called “organ-system level”
Organism level
Collection of body systems that makes up the most complex level: a living human being. All parts of the human body functioning together constitute the total organism.
Anatomical position
Person stands erect, eyes look staight ahead, the arms are at the sides of the body with the palms of the hand turned forward, and the feet are parallel to one another and flat on the floor.