﻿SNAIL HOST OF ORIENTAL LUNG FLUKE — ABBOTT 91 



D 



YT^'^^17 



Figure 38. — Excretory, circulatory, and respiratory systems: A, Kidney and 

 ctenidium (CT, ctenidium or gills; EF, efferent vein from gills to heart; HT, pericardial 

 sac containing auricle and ventricle; KD, kidney duct; KI, kidney; RE, rectum; ST, 

 stomach). B, Heart (A-AR, anterior artery; AU, auricle; ST, stomach; V-AR, visceral 

 artery; VE, ventricle; VLi, posterior ventricular valve; VL2, anterior ventricular valve). 

 C, Dorsal view of heart (semidiagrammatic) showing the network of heart muscles (VM), 

 the anterior ventricular valve (VLi), and the posterior ventricular valve (VL2). D, 

 Cross-sectional views of kidney showing the septa (SE) and the embedded intestine (IN). 

 E, Side view of a gill lamella (LM) attached to the mantle (MA) and showing the efferent 

 artery (EF). 



