CONNECTIVE TISSUE 



INTESTINE 



DIGESTIV 

 DIVERTICULA 



GONAD 



KIDNEY 



EPIBRANCHIAL 

 CHAMBER 



LATERAL 

 AFFERENTV 



BRANC 

 EFFERENT VEIN 



GILL ROD 



LEFT MANTLE 



GILLS 



WATER TUBE 

 OF THE GILLS 



GONAD 



INTESTINE 

 BLOOD SINUS 



STOMACH 



DIGESTIVE 

 DIVERTICULA 



KIDNEY 



PROMYAL 

 CHAMBER 



COMMON 

 AFFERENT VEIN 



i<yj AFFERENT VEIN 



BRANCHIAL 

 EFFERENT VEIN 



GILL MUSCLES 

 RIGHT MANTLE 



WATER TUBE 

 OF THE GILLS 



GILLS 



EDGE OF 

 LEFT MANTLE 



EDGE OF 

 RIGHT MANTLE 



MANTLE CAVITY 



0.5 



I 1 1 



CENTIMETERS 



Figure 8. Transverse section of the dorsal part of an adult Crassostrea virginica 

 (adapted from Galtsoff 1964). 



22 



