Biomaterial Database

Single-species infections of Echinostoma caproni cercariae in pulmonate snails and concurrent infections of E. caproni and Echinostoma trivolvis cercariae in Biomphalaria glabrata. 1998

B A Frazer, and B Fried

Department of Biology, Lafayette College, Easton, PA 18042, USA.

Single-species infections of Echinostoma caproni cercariae in various pulmonate snails showed that a higher percentage of cercariae encysted successfully in Biomphalaria glabrata than in other snail species and that the percentage encystment was significantly greater in B. glabrata than in either Helisoma trivolvis or Lymnaea elodes. There were significant differences in cyst diameter, thickness of outer and inner cysts, and diameter of excretory concretions between E. caproni and Echinostoma trivolvis metacercariae. These morphological differences helped to distinguish each species of cyst in concurrent cercarial infections of E. caproni and E. trivolvis in B. glabrata. Moreover, in concurrent infections E. trivolvis localised only in the saccular kidney, whereas E. caproni occurred in both the saccular kidney and the pericardium.

UI	MeSH Term	Description	Entries
D007668	Kidney	Body organ that filters blood for the secretion of URINE and that regulates ion concentrations.	Kidneys
D008195	Lymnaea	A genus of dextrally coiled freshwater snails that includes some species of importance as intermediate hosts of parasitic flukes.	Lymnea,Lymnaeas,Lymneas
D010496	Pericardium	A conical fibro-serous sac surrounding the HEART and the roots of the great vessels (AORTA; VENAE CAVAE; PULMONARY ARTERY). Pericardium consists of two sacs: the outer fibrous pericardium and the inner serous pericardium. The latter consists of an outer parietal layer facing the fibrous pericardium, and an inner visceral layer (epicardium) resting next to the heart, and a pericardial cavity between these two layers.	Epicardium,Fibrous Pericardium,Parietal Pericardium,Pericardial Cavity,Pericardial Space,Serous Pericardium,Visceral Pericardium,Cavities, Pericardial,Cavity, Pericardial,Pericardial Cavities,Pericardial Spaces,Pericardium, Fibrous,Pericardium, Parietal,Pericardium, Serous,Pericardium, Visceral,Pericardiums, Fibrous,Pericardiums, Serous,Serous Pericardiums,Space, Pericardial,Spaces, Pericardial
D004449	Echinostoma	A genus of intestinal flukes of the family Echinostomatidae which consists of many species. They occur in man and other vertebrates. The intermediate hosts are frequently mollusks.	Echinostoma ilocanum,Euparyphium ilocanum,Fascioletta ilocanum,Echinostoma ilocanums,Echinostomas,Euparyphium ilocanums,Fascioletta ilocanums,ilocanum, Echinostoma,ilocanum, Fascioletta,ilocanums, Euparyphium
D006790	Host-Parasite Interactions	The relationship between an invertebrate and another organism (the host), one of which lives at the expense of the other. Traditionally excluded from definition of parasites are pathogenic BACTERIA; FUNGI; VIRUSES; and PLANTS; though they may live parasitically.	Host-Parasite Relations,Parasite-Host Relations,Host-Parasite Relationship,Parasite-Host Interactions,Host Parasite Interactions,Host Parasite Relations,Host Parasite Relationship,Host-Parasite Interaction,Host-Parasite Relation,Host-Parasite Relationships,Interaction, Host-Parasite,Interaction, Parasite-Host,Interactions, Host-Parasite,Interactions, Parasite-Host,Parasite Host Interactions,Parasite Host Relations,Parasite-Host Interaction,Parasite-Host Relation,Relation, Host-Parasite,Relation, Parasite-Host,Relations, Host-Parasite,Relations, Parasite-Host,Relationship, Host-Parasite,Relationships, Host-Parasite
D000818	Animals	Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA.	Animal,Metazoa,Animalia
D001700	Biomphalaria	A genus of planorbid freshwater snails, species of which are intermediate hosts of Schistosoma mansoni.	Australorbis,Australorbis glabratus,Australorbi,Biomphalarias
D012908	Snails	Marine, freshwater, or terrestrial mollusks of the class Gastropoda. Most have an enclosing spiral shell, and several genera harbor parasites pathogenic to man.	Snail