罗非鱼解剖学习教案

1、会计学1罗非鱼解剖罗非鱼解剖(jipu)第一页，共29页。OBJECTIVE:Tilapia;Dissecting equipment (scissors, forceps, dissecting pan, etc.);Ruler.To become familiar with the gross anatomical structures of tilapia.SUPPLIES:第1页/共29页第二页，共29页。HeadTrunk TailPROCEDURE:PART 1: EXTERNAL ANATOMYBody shape Streamlined, or fusiform, reduci

2、ng the drag Body regions Head, Trunk, and Tail 第2页/共29页第三页，共29页。ExternalAnatomy第3页/共29页第四页，共29页。第4页/共29页第五页，共29页。 Unpaired Fins Dorsal keep fish upright Anal keep fish upright Caudal (tail) thrusts fish through the water and assists in steering Paired Fins Pectoral behind the gills (act as brakes; s

3、ide to side motion) Pelvic - below and behind the pectoral fins (up and down motion)第5页/共29页第六页，共29页。Gill arches 4 arches in tilapiaGill rakers strain unwanted particles from the waterGill filaments - where gas exchange takes place第6页/共29页第七页，共29页。Lateral Line第7页/共29页第八页，共29页。NaresNasal openings in

4、the snoutContain smell receptorsSense of smell第8页/共29页第九页，共29页。第9页/共29页第十页，共29页。The shapes of tilapia genital papilla第10页/共29页第十一页，共29页。Male tilapiaFemale tilapiaGenital papillaAnusUreterAnusOviductVas deferens and ureter第11页/共29页第十二页，共29页。PART 2: INTERNAL ANATOMYu Circulatory system Heartu Reproduc

5、tive system Gonadu Urinary system Kidneyu Digestive system u Respiratory system GillsLiverGall bladder Intestineu Immune system Spleech第12页/共29页第十三页，共29页。第13页/共29页第十四页，共29页。INTERNAL ANATOMY第14页/共29页第十五页，共29页。u Dissecting procedure第15页/共29页第十六页，共29页。第16页/共29页第十七页，共29页。第17页/共29页第十八页，共29页。u Circulatory

6、 system Heartpericardial cavity第18页/共29页第十九页，共29页。u Reproductive system Gonad第19页/共29页第二十页，共29页。u Urinary system KidneyKidney 第20页/共29页第二十一页，共29页。u Digestive systemLiver 第21页/共29页第二十二页，共29页。Gall bladder第22页/共29页第二十三页，共29页。Intestine第23页/共29页第二十四页，共29页。IntestineDark peritoneum第24页/共29页第二十五页，共29页。Spleech u Immune system Spleech第25页/共29页第二十六页，共29页。u Respiratory system GillsGills第26页/共29页第二十七页，共29页。Swim bladder The swim bladder is located above the peritoneum (retroperitoneal) and belo