right upper quadrant, left upper quadrant, right lower quadrant, left lower quadrant
About 9 regions describing locations in the abdominal and pubic areas of the body.Left and Right hypochondrica and epigastric, left and right lumbar and umbilical, left and right illiac and hypgastric
standard position in which the body is facing forward, feet are parallel, and the arms are at the sides with palms facing forward
the study of body structure
relating to or consisting of an appendage or appendages
any weakening or degeneration (especially through lack of use)
situated on or along or in the direction of an axis
includes the stomach, spleen, liver, pancreas, small intestine, most of large intestine, kidneys and ureters.
this determines the next action in a feedback system by sending output to an effector (brain)
(anatomy) a muscular partition separating the abdominal and thoracic cavities
cutting so as to separate into pieces
an organ (a gland or muscle) that becomes active in response to nerve impulses
the act of conducting a controlled test or investigation
a circuit that feeds back some of the output to the input of a system
metabolic equilibrium actively maintained by several complex biological mechanisms that operate via the autonomic nervous system to offset disrupting changes
negative feedback loop
Situation in which a change in a certain direction provides information that causes a system to change less in that direction. Compare positive feedback loop.
organization (structural levels)
processes and functions of an organism
planes of section
positive feedback loop
Situation in which a change in a certain direction provides information that causes a system to change further in the same direction. Compare negative feedback loop.
lying face downward
lying face upward
in that a law is an analytic statement, usually with an empirically determined constant. A theory may contain a set of laws, or a theory may be implied from an empirically determined law.
any device that receives a signal or stimulus (as heat or pressure or light or motion etc.) and responds to it in a distinctive manner
the cavity enclosed by the cranium
Contains the cranial cavity and the vertebral canal; brain and spinal cord.
the part of the thoracic cavity between the lungs that contains the heart and aorta and esophagus and trachea and thymus
contains the reproductive organs and urinary bladder.
the cavity in the thorax that contains the lungs
contains the spinal cord
the cavity in the vertebrate body enclosed by the ribs between the diaphragm and the neck and containing the lungs and heart
includes the front of the body (thoracic, abdominal, and pelvic cavities)