boa constrictor, beaded lizard, rat snake, gila monster, snake, python, spitting cobra, meadow vole, kingsnake, coral snake, gopher snake, piglike, tegu, lizard, binturong, lipoma, cottonmouth, serval, gaboon viper, reptile, reticulated python, agouti, mouthparts, puff adder, canebrake rattlesnake, critter, wolf spider, isopod, domesticus, spider monkey, naked mole rat, canid, water moccasin, pit viper, great dane, caiman, fossa, furless, hindgut, rheas, flatworm, crocodilian, borzoi, nile crocodile, tobacco hornworm, mandrill, apatosaurus, wormlike, alligator, garter snake, western diamondback, bullmastiff, coatimundi, radula, iguana, bufo, sifaka, toad, rodent, fisher cat, anaconda, moray eel, palps, western diamondback rattlesnake, striped skunk, fiddler crab, bullfrog, diamondback, woolly monkey, parasite, gator, sparrow hawk, cocker, pacu, ichthyosaurs, parasitic worm, slow loris, giraffa camelopardalis, erectile tissue, americanus, sandbar shark, masseter, giant anteater, mammal, coypu, redbone, stonefish, siamang, spirochete, akita, indigo snake, spiny anteater, inchworm, mantids, guanaco, whipworm, ovipositor, creature, kinkajou, diamondback rattlesnake, phalarope, anteater, constrictors, alligators, crocodiles, octopus, trunk, rattlesnake, spider, boa, eel, leeches, legs, pike, pincers, porcupine, inhibitory, vagus, vasomotor, parasympathetic, adrenergic, cholinergic, excitatory, emetic, thermogenic, vagal, dopaminergic, sphincteric, supraspinal, vasoconstrictive, autonomic, facilitatory, ganglionic, nociceptive, regulating, serotoninergic

ophidian, serpent