Poison-gland sentence example
- Poison-gland present whose duct traverses the nerve-collar.
- The " retrovert " or bent-back first pair of appendages is provided with a poison gland opening on the fang or terminal segment.
- The whole apparatus is so exactly analogous in structure to the poison-gland and tooth of a venomous snake as to suggest a similar function, and there is now evidence that it employs this organ as an offensive weapon.
- The so-called colubrine venomous snakes, which retain in a great measure an external resemblance to the innocuous snakes, have the maxillary bone not at all, or but little, shortened, armed in front with a fixed, erect fang, which is provided with a deep groove or canal for the conveyance of the poison, the fluid being secreted by a special poison-gland.