ZOO 2090 Lecture Notes - Lecture 19: Seminal Vesicle, Vas Deferens, List Of Ancient Tribes In Illyria

• School: University of Guelph
• Department: Zoology
• Course: ZOO 2090
• Professor: Jinzhong Fu

Document Summary

Skin w fur & sebaceous & sweat glands. Feather ed- used to steer hollow bones, dorsal nc. Digestive system a mouth adjacent to the pharyngeal slit, pharyngeal bars trap food particles as water flows through slits. Excretory system made up of nephrida used to remove nitrogenous wastes from blood. No stomach because diet is so simple goes straight to intestine. Ovary has granular appearance and testes have smoother appearence. Opisthonephric kidney: filters out waste from the blood ions, water and other nitrogenous wastes maintains osmoregulation. Ovary has granular appearance and testes have smoother appearance. Blood flows up the pharyngeal bars than to the rest of the body. After exiting the stomach, the food enters small intestine. The feces are then excreted from the cloaca. Sperm and urine exit out the urogen papilla in the cloaca from the urogen sinus. Only males have accessory urinary ducts. fe(cid:373)ales do(cid:374)"t.