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A standard reference position used for describing location and directions on the
human body.
Anatomical Position
The basic unit that makes up all matter.
Atom
Science that studies the form and composition of the the body's structures.
Anatomy
Describes a position below or lower than another part of the body proper; near or
toward the tail (in humans, the coccyx, or lowest part of the spinal column); also
refer to as inferior
Caudal
Smallest independently functioning unit of all organisms; in animals, it contains
cytoplasm, composed of fluid and organelles
Cell
Compares values to their normal range; deviations cause the activation of an
effector
Control Center
Divides the body into dorsal and ventral (back and front, or posterior and
anterior) portions; also referred to as frontal portion
, frontal (coronal) section
Describes a position above or higher than another part of the body proper; also
referred to as superior
Cranial
Describes a position farther from the surface of the body
Deep
Changes an organism goes through during its life
Development
Describes a position farther from the point of attachment or the trunk of the body
Distal
Posterior body cavity that houses the brain and the spinal cord; also referred to
as posterior body cavity
Dorsal Body Cavity
Organ that can cause a change in value
- an organ (a gland or muscle) that becomes active in response to nerve impulses
Effector
The process whereby the undigested residue of food and the waste products of
metabolism are eliminated, material is removed to regulate the composition of
body fluids and tissues, or substances are expelled to perform functions on an
exterior surface.
Excretion
Two-dimensional, vertical plane that divides the body or organ into anterior and
posterior portions