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Biology 253 notes
Terms in this set (60)
The language of anatomy and physiology begins with?
the definition of the anatomical position
The anatomical position is one where a person is?
standing with their feet flat on the floor, facing you, with their palms turned forward
these are the anatomical language equivalent of the anatomical regions
these are terms used to indicate the location of structures relative to one another
laying face up
laying face down
back (same as posterior for humans)
front (same as anterior for humans)
closer to a point of attachment
further away from a point of attachment
away from the midline of the body
between two structures
a point closer to the midline of the body
closer to the surface of the body
away from the surface of the body
What do planes do?
planes provide a point of reference to indicate the direction in which a specimen has been cut
results in "two sides"; a left and a right
results in a "top and a bottom"; a superior and inferior portion
Frontal (coronal) Plane
results in a "front and back"; anterior and posterior portion
any plane that is not parallel or perpendicular to the floor
How may levels of organization are they?
Name the levels of organization from simplest to most complex
5. Organ System
provides protection (hair, skin, nails, and associated glands)
provides protection and support (bones, skull)
used for movement of the human body (muscles such as the biceps brachii)
removes foreign substances from the blood and lymph (lymph nodes, spleen, tonsils, thymus)
exchanges oxygen and carbon dioxide between blood and air (lungs, nose, trachea, pharynx, larynx)
performs digestion, absorption of nutrients, and elimination of wastes (stomach, esophagus, small/large intestine, pancreas, liver, gallbladder)
regulatory system that controls activities of the human body (brain, spinal cord, nerves)
regulatory system that controls activities of the human body (pituitary gland, ovaries, testes, pancreas, thyroid gland, adrenal glands)
transports nutrients and wastes (heart, arteries, veins, blood)
removes wastes from the blood and eliminates liquid wastes via urine (kidneys, bladder, urethra, ureters)
produces gametes (sperm or egg) and promotes sexual characteristics of each gender (testes, penis, prostate gland in males; ovaries, uterus, vagina, breasts in females)
What are the two major body cavities?
1. Dorsal body cavity
2. Ventral body cavity
Dorsal body cavity
named because the two cavities that make it up are found to be closer to the dorsal surface of the body
What are the two subdivisions of the dorsal body cavity?
1. Cranial cavity
2. Vertebral cavity
located within the skull; houses the brain
located within the vertebral column; houses the spinal cord
What is the 2nd most important body cavity called?
Ventral body cavity
Ventral body cavity
named because the three cavities that make it up are found to be closer to the ventral surface of the body
What are the 3 subdivisions of the ventral body cavity?
1. Thoracic cavity (chest)
2. Abdominal cavity
3. Pelvic cavity
Thoracic cavity houses..
the lungs, heart, thymus, esophagus, and trachea
Name the 3 parts of the thoracic cavity.
1. Pleural cavities
3. Pericardial Cavity
houses lungs only
located in between the two pleural cavities; houses all organs except lungs
located within mediastinum; houses the heart only
What is the 2nd subdivision of the ventral body cavity called?
separated from thoracic cavity by diaphragm; houses organs of digestion (stomach, small/large intestine)
What is the 3rd subdivision of the ventral body cavity called?
inferior to the abdominal cavity; houses bladder and internal reproductive organs and a portion of the large intestine
produces equal halves
produces unequal halves
Label the abdominopelvic quadrants
Label the abdominopelvic regions
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