English > internal organ: 1 sense > noun 1, body| Meaning | A main organ that is situated inside the body. |
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| Synonym | viscus |
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| Narrower | excretory organ, urinary organ | An organ that separates waste substances from the blood and discharges them |
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| heart, pump, ticker | The hollow muscular organ located behind the sternum and between the lungs |
| hindgut | The caudal part of the alimentary canal in vertebrate embryos |
| intestine, bowel, gut | The part of the alimentary canal between the stomach and the anus |
| liver | large and complicated reddish-brown glandular organ located in the upper right portion of the abdominal cavity |
| respiratory organ | Any organ involved in the process of respiration |
| stomach, tummy, tum, breadbasket | An enlarged and muscular saclike organ of the alimentary canal |
| viscera, entrails, innards | internal organs collectively (especially those in the abdominal cavity) |
| Broader | organ | A fully differentiated structural and functional unit in an animal that is specialized for some particular function |
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| Spanish | órgano interno, víscera |
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| Catalan | òrgan intern, víscera |
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