| systema nervosum periphericum | An alternate term for peripheral nervous system. (05 Mar 2000) |
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| systema nervosum | The entire integrated system of nerve tissue in the body: the brain, brainstem, spinal cord, nerves and ganglia. (16 Dec 1997) |
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| systema nervosum autonomicum | An alternate term for autonomic nervous system. (05 Mar 2000) |
| systema nervosum centrale | An alternate term for central nervous system, central nervous system. (05 Mar 2000) |
| Willis' centrum nervosum | The largest and highest group of prevertebral sympathetic ganglia, located on the superior part of the abdominal aorta, on either side of the origin of the coeliac artery; contains sympathetic neurons whose unmyelinated postganglionic axons innervate the stomach, liver, gallbladder, spleen, kidney, small intestine, and ascending and transverse colon. H Synonym: ganglia coeliaca, semilunar ganglion, solar ganglia, Vieussens' ganglia, Willis' centrum nervosum. (05 Mar 2000) |
| systema | Synonym: system. See: system, apparatus. Origin: L. Fr. G. Systema (05 Mar 2000) |
| systema alimentarium | An alternate term for digestive system. (05 Mar 2000) |
| systema digestorium | The organs that are responsible for getting food into and out of the body and for making use of food to keep the body healthy. These include the mouth, oesophagus, stomach, liver, gallbladder, pancreas, small intestine, colon, and rectum. (12 Dec 1998) |
| systema lymphaticum | <anatomy> The tissues and organs (including the bone marrow, spleen, thymus and lymph nodes) that produce and store cells that fight infection and the network of vessels that carry lymph. (12 May 1997) |
| systema respiratorium | An alternate term for respiratory system. (05 Mar 2000) |
| systema skeletale | The bones and cartilages of the body. Synonym: systema skeletale. (05 Mar 2000) |
| systema urogenitale | An alternate term for urogenital system. (05 Mar 2000) |