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Abdominal Cavity
The largest hallow body cavity in humans and many animals, and holds the bulk of the
viscera. It is located below (inferior to) the thoracic cavity, and above the pelvic cavity.
Abdominopelvic Cavity
Division of the anterior (ventral) cavity that houses the abdominal and pelvic viscera.
Anatomical Position
A standard reference position used for describing location and directions on the human
body.
Anatomy
Science that studies the form and composition of the the body's structures.
Anterior Cavity
Larger body cavity located anterior to the posterior (dorsal) body cavity; includes the
serous membrane-lined pleural cavities of the lungs, pericardial cavity of the heart, and
peritoneal cavity for the abdominal and pelvic organs; also referred to as ventral cavity.
Atom
The basic unit that makes up all matter.
Body Plane
An imaginary lines drawn through the body to separate the body into sections.
, Caudal
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
Cell
Smallest independently functioning unit of all organisms; in animals, it contains
cytoplasm, composed of fluid and organelles
Control Center
Compares values to their normal range; deviations cause the activation of an effector
Coronal Section
Divides the body into dorsal and ventral (back and front, or posterior and anterior)
portions; also referred to as frontal portion
Cranial
Describes a position above or higher than another part of the body proper; also referred
to as superior
Cranial Cavity
Division of the posterior (dorsal) cavity that houses the brain
Cross Section
In anatomy, a transverse cut through a structure or tissue.
Deep
Describes a position farther from the surface of the body
Development
Changes an organism goes through during its life