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54 Cards in this Set
- Front
- Back
Scientific method |
systematic approach to discovery |
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experimentation |
testing process |
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Theory or law |
Hypothesis that has gained confidence |
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Hypothesis |
Reasonable guess based on previous informal observations or previously tested explanations |
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Anatomy |
study of the structure of an organism and the relationship of its parts |
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Physiology |
Study of living organisms and their parts |
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Dissection |
Isolate and study the structural components or parts of the human body |
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Cells |
smallest "living" units of structure and function on our body |
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Tissues |
More complex than cells- organization of many cells that act together to perform a common function |
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Organs |
Larger and more complex than tissues- A group of several different kinds of tissues arranged in way that allow them to act as a unit to perform a special function |
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Systems |
Most complex units that make up the body-Organization of varying numbers and kinds of organs that can work together to perform complex functions for the body |
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Anatomical position |
Discussions about the body, the way its moves, its posture, or the relationship of one area to another assume that the body as a whole is in a specific position |
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Supine position |
Body when not in anatomical position- Body is lying face upward |
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Prone position |
Body when not in anatomical position- Body is lying face downward |
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Directional terms |
Describing relative positions of the body parts |
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Superior |
Toward the head- upper or above |
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Inferior |
toward the feet-lower or below |
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Anterior or ventral |
Front or in front of Ventral can be used in place of anterior-towards to front |
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Posterior or dorsal |
back or in back of dorsal-Can be used in place of anterior-towards to front |
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Medial |
Toward the midline of the body |
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Lateral |
Toward the side of the body or away from its midline |
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Proximal |
toward or nearest the trunk of the body or nearest point of origin of one of its parts |
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Distal |
Away from or farthest from the trunk or the point of origin of a body |
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Superficial |
nearer the surface |
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Deep |
farther away from the body surface |
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Sagittal |
Cut or section that is a lengthwise plane running from front to back |
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Frontal |
Lengthwise plane running from side to side |
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Tranverse |
Horizontal or crosswise plane-divides the body or any of its parts into upper and lower portions |
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Body cavities |
Location and subdivision of the dorsal and ventral body cavities |
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Two major body cavities |
Ventral and dorsal body cavities |
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Thoracic cavity |
Upper part of the ventral cavity- chest cavity |
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Mediastinum |
The thoracic cavity's midportion and subdivision of the thoracic cavity |
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Pleural cavities |
Thoracic cavities other subdivisions called the right and left pleural cavities |
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Abdomincal cavity |
lower part of the ventral cavity |
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Pelivic cavities |
Lower part of the ventral cavity |
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Abdominopelvic cavity |
Abdominal and pelvic cavity form one cavity because no physical partition seperates them |
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Diaphragm |
Muscular sheet that is dome-shaped and most important muscle for breathing |
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Four quadrants |
Right upper or right superior quadrant Right lower or right inferior quadrant Left upper or right superior quadrant Left lower or right inferior quadrant |
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Upper abdominopelvic regions |
right and left hypochondriac regions and epigastric region lie above an imaginary line across the abdomen at the level of the ninth rib cartilages |
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Middle regions |
The right and left lumbar regions and the umbilical region lie below an imaginary line across the abdomen at the level of the ninth rib cartilages and above the imaginary line across the abdomen at the top of the hip bones |
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Lower regions |
Right and left iliac(inguinal) regions and the hypogastric region lie below an imaginary line across the abdomen at the level of the top of the hip bones |
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Cranial cavity |
Space inside the skull that contains the brain |
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Spinal cavity |
Space inside the spinal column containing the spinal cord |
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Dorsal cavities |
Cranial and spinal cavities |
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Ventral |
Thoracic and abdominopelvic cavities |
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Two major portions of the body |
Axial and appendicular Axial- head, neck, torso and trunk Appendicular- upper and lower extremities |
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Atrophy |
Degenerative process resulting from disuse |
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Homeostasis |
relative constancy of the internal environment |
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feedback loop |
basic type of control system |
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sensor |
thermometer-detects change in temperature |
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Control center |
Thermostat that compares the actual temperature with the normal temperature and responds by activating the buildings furnace |
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Effector |
Has an effect on the controlled condition |
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Negative feedback loops |
oppose or negate a change in a controlled condition- ex shivering to respond the cold conditions |
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Positive feedback loops |
Temporarily amplify the change that is occurring-causes an ever-increasing rate of events to occur until something stops the process- example contractions before the birth of a baby |