1

Zool 628 eLabs (mkl)

A

CB

Photomicrograph of a longitudinal sectionthrough the epidermis of a planarian

A CiliaB RhabditesC Epidermis

Zool 628 eLabs (mkl)

A

B

B

A PharynxB Intestinalbranches

Schematic andphotomicrographof a whole mountof a triclad,showing the threebranches of thedigestive system.

Zool 628 eLabs (mkl)

Dorsal view of the pharynx (A) of a triclad. Animal hasbeen fed carbon particles to stain the digestive cavity (B).

A

B

2

Zool 628 eLabs (mkl)

A

B B

A PharynxB Intestine

Pphotomicrograph of a cross section through thepharynx region of a triclad flatworm (Dugesia).

A

Zool 628 eLabs (mkl)

Anterior end of Dugesia, showing ocelli andauricles.

A

B

A OcellusB Auricle

Zool 628 eLabs (mkl)

Whole mount of a digenetic fluke.

3

Zool 628 eLabs (mkl)

FemaleSchistosoma

Male Schistosoma

Human Lung Fluke

A

A

AB

B

B

A Oral suckerB Acetabulum

Zool 628 eLabs (mkl)

Whole mount of the Oriental liver fluke(Clonorchis sinensis).

Zool 628 eLabs (mkl)

1. Mouth and oral sucker2. Pharynx3. Esophagus4. Intestinal cecae5. Genital pore6. Ventral sucker (acetabulum)

Photomicrograph of the anterior end of theChinese liver fluke

4

Zool 628 eLabs (mkl)

1. Uterus2. Yolk glands3. Intestinal ceca4. Ovary5. Seminal receptacle6. Testes7. Excretory bladder8. Yolk ducts

Photomicrograph of the middle part of theChinese liver fluke

Zool 628 eLabs (mkl)

Photomicrograph of theposterior end of the Chinese liver fluke

1. Intestinal ceca2. Testes3. Excretory bladder4. Excretory pore

Zool 628 eLabs (mkl)

Trematode eggs

Miracidium

Cercaria

Photomicrographs oftrematode eggs,miracidium larva, andcercaria larva.

5

Zool 628 eLabs (mkl)

Egg

Cercaria

Miracidium

Zool 628 eLabs (mkl)

A

B

C

A MaleB Gynecophoric canalC Female

Copulating Schistosoma

Zool 628 eLabs (mkl)

A

B

B

A SuckersB Hooks on rostellum

AScoleces of two cestodes.

6

Zool 628 eLabs (mkl)

A B

C C

A ScolexB StrobilaC Proglottid

Photomicrograph of the anterior end of a cestode.

Zool 628 eLabs (mkl)

A B

C C

DE

F

A TestesB UterusC OvaryD Yolk glandE Shell glandF Common genital pore

Structures of acestode proglottid

Zool 628 eLabs (mkl)

A

A Genital poreB Ovarian capsules witheggs or embryos

B

Photomicrograph of agravid proglottid

7

Zool 628 eLabs (mkl)

Photomicrographs ofcysticercus larvae

Zool 628 eLabs (mkl)

A B C D

A Scolex C Mature proglottidsB Immature proglottids D Gravid proglottids

Photomicrograph of a compositeslide of a tapeworm