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Module 1E - A&P
Introduction to the Human Body
Question | Answer |
---|---|
viscera | organs, are located with the cavities of the body |
cavities | are large, internal spaces, there are two major cavities: the dorsal cavity and the ventral cavity |
dorasl cavity | is located toward the back of the body and has two divisions: the cranial cavity and the spinal (vertebral) cavity |
cranial cavity | is located with the skull and contains the brain |
spinal or vertebral cavity | extends downward from the cranial cavity and is surrounded by the body vertebrae, is contains the spinal cord |
ventral cavity | is located toward the front of the body and has two divisions, the thoracic cavity and the abdominopelvic cavity |
thoracic cavity | located above the diaphragm and is surrounded by the rib cage, it is divided into two comparments by the mediastinum and the pleual cavity |
mediastinum | a space that contains the heart, esophagus, trachea, thymus gland and large blood vessels attached to the heart |
pleural cavity | lungs occupy most of the space within the thoracic cavity |
abdominoplevic cavity | is located below the diaphragm, has two divisions, abdominal cavity and the pelvic cavity |
abdominal cavity | contains the stomach, most of the intestine, liver, gallbladder, pancreas,spleen and kidneys |
pelvic cavity | extends downward from the hips and includes the remainder of the intestines, the rectum, urinary bladder and internal reproductive system |
quadrants | abdominoplevic cavity can be divided into four quadrants and are named for their position, RUQ,LUQ,RLQ,LLQ |
regions | a second way to divide the abdominopelvic cavity; nine separate regions that resemblethe squares for the tic-tac-toe |
other cavities | four smaller cavities are located in the head, oral, nasal, orbital, and middle ear cavities |