Copyright © 2006 Thomson Delmar Learning Chapter 23 All the Rest Laboratory Animals and Pocket Pets
Copyright © 2006 Thomson Delmar Learning Laboratory Animals and Pocket Pets Many of the anatomy and physiology concepts, as well as medical terms, related to laboratory animals and pocket pets have been covered in previous chapters Additional specific terms for laboratory animals and pocket pets can be found in this chapter
Copyright © 2006 Thomson Delmar Learning Examples of Specialized Laboratory Animals and Pocket Pet Terms Rodents –Rodents are gnawing animals that have continuously growing upper and lower incisors –These include hamsters, gerbils, mice, rats, guinea pigs, and chinchillas
Copyright © 2006 Thomson Delmar Learning Examples of Specialized Laboratory Animals and Pocket Pet Terms Mice and rats –anogenital distance: Area between the anus and genitalia Females have a shorter anogenital distance than males Used to determine sex of laboratory animals and pocket pets
Copyright © 2006 Thomson Delmar Learning Examples of Specialized Laboratory Animals and Pocket Pet Terms Guinea pigs –Also called cavies –Are rodents that have short bodies, stocky legs, and short sharp claws –Examples include Abyssinian, American short- haired, and Peruvian Insert figure 23-5
Copyright © 2006 Thomson Delmar Learning Examples of Specialized Laboratory Animals and Pocket Pet Terms Hamsters –Used as pets and laboratory animals –Have prominent scent glands on their flanks –Have cheek pouches to store their food –Examples include Syrian or Golden
Copyright © 2006 Thomson Delmar Learning Examples of Specialized Laboratory Animals and Pocket Pet Terms Gerbils –Also known as jirds –Are burrowing rodents that have bodies that are short and have a hunched appearance –Male has a scent gland on its abdomen –An example is the Mongolian gerbil
Copyright © 2006 Thomson Delmar Learning Examples of Specialized Laboratory Animals and Pocket Pet Terms Chinchillas –resemble small rabbits with shorter ears and bushy tails –are nocturnal and live in groups –can release fur as a defense mechanism –clean themselves by dusting
Copyright © 2006 Thomson Delmar Learning Examples of Specialized Laboratory Animals and Pocket Pet Terms Ferrets –are mammals in the Mustelidae family –have long slender bodies and long tails –can develop hyperestrogenism
Copyright © 2006 Thomson Delmar Learning Examples of Specialized Laboratory Animals and Pocket Pet Terms Rabbits –are lagomorphs –have powerful hindquarters for jumping; therefore proper restraint is important –cannot vomit Insert figure 23-12
Copyright © 2006 Thomson Delmar Learning Examples of Specialized Laboratory Animals and Pocket Pet Terms Reptiles –are cold-blooded vertebrates –four types of reptiles chelonia –turtles, tortoises, and terrapins serpentes –snakes squamata –iguanas and lizards crocodilia –crocodiles and alligators
Copyright © 2006 Thomson Delmar Learning More Medical Terms for Reptiles Additional terms for reptiles can be found in the text Review the Flash! CD program to make sure you understand these terms