| a nematocyst. |
nem·a·to·cyst  (něm'ə-tə-sĭst', nĭ-māt'ə-)  n. A capsule within specialized cells of certain coelenterates, such as jellyfish, containing a barbed, threadlike tube that delivers a paralyzing sting when propelled into attackers and prey. Also called stinging cell. nem'a·to·cys'tic adj. |
| sting·ing cell (stĭng'ĭng) n. See nematocyst. |