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| the part of the large intestine extending from the cecum, where the large intestine begins, to the rectum |
| nerve tissue of the brain and spinal cord that contains fibers and nerve cell bodies and is a dark reddish-gray color |
| extensor (ɪkˈstɛnsə, -sɔː) | |
| —n | |
| Compare flexor any muscle that stretches or extends an arm, leg, or other bodily part | |
| [C18: from New Latin, from Latin extensus stretched out] | |
extensor ex·ten·sor (ĭk-stěn'sər)
n.
A muscle that extends or straightens a limb or body part.
| extensor (ĭk-stěn'sər) Pronunciation Key
A muscle that extends or straightens a limb or joint. Compare flexor. |