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70 Cards in this Set
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Abdominopelvic cavity |
Division of the anterior (ventral) cavity that houses the abdominal and pelvic viscera |
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Anabolic |
Assembly of more complex molecules from simpler molecules |
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Anatomical position |
Standard reference position used for describing locations and directions on the human body |
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anatomy |
science that studies the form and composition of the body’s structures |
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Anterior |
describes the front or direction toward the front of the body |
also referred to as ventral |
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Anterior cavity |
larger body cavity located anterior to the posterior (dorsal) body cavity; includes the serous membrane-lined pleural cavities for the lungs, pericardial cavity for the heart, and peritoneal cavity for the abdominal and pelvic organs; also referred to as ventral cavity |
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Catabolism |
breaking down of more complex molecules into simpler molecules |
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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 referred to as inferior |
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Cell |
smallest independently functioning unit of all organisms; in animals, a cell contains cytoplasm, composed of fluid and organelles |
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Computed tomography (CT) |
medical imaging technique in which a computer-enhanced cross-sectional X-ray image is obtained |
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Control center |
compares values to their normal range; deviations cause the activation of an effector |
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Cranial |
describes a position above or higher than another part of the body proper; also referred to as superior |
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Cranial cavity |
division of the posterior (dorsal) cavity that houses the brain |
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Deep |
describes a position farther from the surface of the body |
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Development |
changes an organism goes through during its life |
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Differentiation |
process by which unspecialized cells become specialized in structure and function |
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Distal |
describes a position farther from the point of attachment or the trunk of the body |
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Dorsal |
describes the back or direction toward the back of the body |
also referred to as posterior |
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Dorsal cavity |
posterior body cavity that houses the brain and spinal cord |
also referred to the posterior body cavity |
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Effector |
organ that can cause a change in a value |
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Frontal plane |
two-dimensional, vertical plane that divides the body or organ into anterior and posterior portions |
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Gross anatomy |
study of the larger structures of the body, typically with the unaided eye; also referred to macroscopic anatomy |
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Growth |
process of increasing in size |
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Homeostasis |
steady state of body systems that living organisms maintain |
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Inferior |
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 referred to as caudal |
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Lateral |
describes the side or direction toward the side of the body |
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Magnetic resonance imaging (MRI) |
medical imaging technique in which a device generates a magnetic field to obtain detailed sectional images of the internal structures of the body |
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Medial |
describes the middle or direction toward the middle of the body |
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Metabolism |
sum of all of the body’s chemical reactions |
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Microscopic anatomy |
study of very small structures of the body using magnification |
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Negative feedback |
homeostatic mechanism that tends to stabilize an upset in the body’s physiological condition bypreventing an excessive response to a stimulus, typically as the stimulus is removed |
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Normal range |
range of values around the set point that do not cause a reaction by the control center |
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Nutrient |
chemical obtained from foods and beverages that is critical to human survival |
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Organ |
functionally distinct structure composed of two or more types of tissues |
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Organ system |
group of organs that work together to carry out a particular function |
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Organism |
living being that has a cellular structure and that can independently perform all physiologic functions necessary for life |
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Pericardium |
sac that encloses the heart |
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Peritoneum |
serous membrane that lines the abdominopelvic cavity and covers the organs found there |
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Physiology |
science that studies the chemistry, biochemistry, and physics of the body’s functions |
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Plane |
imaginary two-dimensional surface that passes through the body |
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Pleura |
serous membrane that lines the pleural cavity and covers the lungs |
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Positive feedback |
mechanism that intensifies a change in the body’s physiological condition in response to a stimulus |
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Positron emission tomography (PET) |
medical imaging technique in which radiopharmaceuticals are traced to reveal metabolic and physiological functions in tissues |
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Posterior |
describes the back or direction toward the back of the body |
also referred to as dorsal |
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Posterior cavity |
posterior body cavity that houses the brain and spinal cord |
also referred to as dorsal cavity |
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Pressure |
force exerted by a substance in contact with another substance |
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Prone |
Face down |
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Proximal |
describes a position nearer to the point of attachment or the trunk of the body |
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Regional anatomy |
study of the structures that contribute to specific body regions |
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Renewal |
process by which worn-out cells are replaced |
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Reproduction |
process by which new organisms are generated |
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Responsiveness |
ability of an organisms or a system to adjust to changes in conditions |
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Sagittal plane |
two-dimensional, vertical plane that divides the body or organ into right and left sides |
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Section |
in anatomy, a single flat surface of a three-dimensional structure that has been cut through |
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Sensor |
(also, receptor) reports a monitored physiological value to the control center |
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Serosa |
membrane that covers organs and reduces friction |
also referred to as serous membrane |
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Serous membrane |
membrane that covers organs and reduces friction |
also referred to as serosa |
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Set point |
ideal value for a physiological parameter; the level or small range within which a physiological parameter such as blood pressure is stable and optimally healthful, that is, within its parameters of homeostasis |
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Spinal cavity |
division of the dorsal cavity that houses the spinal cord |
also referred to as vertebral cavity |
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Superficial |
describes a position nearer to the surface of the body |
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Superior |
describes a position above or higher than another part of the body proper |
also referred to as cranial |
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Supine |
Face up |
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Systemic anatomy |
study of the structures that contribute to specific body systems |
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Thoracic cavity |
division of the anterior (ventral) cavity that houses the: -heart -lungs -esophagus -trachea |
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Tissue |
group of similar or closely related cells that act together to perform a specific function |
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Transverse plane |
two-dimensional, horizontal plane that divides the body or organ into superior and inferior portions |
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Ultrasonography |
application of ultrasonic waves to visualize subcutaneous body structures such as tendons and organs |
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Ventral |
describes the front or direction toward the front of the body |
also referred to as anterior |
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Ventral cavity |
larger body cavity located anterior to the posterior (dorsal) body cavity includes: -the serous membrane-lined pleural cavities for the lungs -pericardial cavity for the heart -peritoneal cavity for the abdominal and pelvic organs |
also referred to as anterior body cavity |
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X-Ray |
form of high energy electromagnetic radiation with a short wavelength capable of penetrating solids and ionizing gases; used in medicine as a diagnostic aid to visualize body structures such as bones |
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