GLOSSARY OF TERMS, 245 



Spieopteba. (Spira, a convolution, and inepa, a wing.) A 

 nematoid worm, which has received this name in conse- 

 quence of the spiral tail of the male, furnished with mem- 

 branous wing-like expansions. 



Sporoctst. {^TTopa, a seed, a germ cell, and kvgti^, a bladder.) 

 The second phase in the development of a distomum. 



Steobile. (Sfrobilus, a cone.) A phrase employed to designate 

 the body of a cestoid worm. 



Strokgtltts. (2T/)077y\os, round, cylindrical,) A genus of the 

 nematoid entozoa. The only species, of which the existence 

 has been fully ascertained in man, is of very considerable 

 size, whence it has received the name of JS. gigas. 



TiENiA, (Taivi'a, a band.) The tape-worm. 



Teachelocamphtlus. (Tpaxri\o9, the neck, and Aca^TrvXos, bent, 

 curved.) One of the varieties of cysticercus. 



Teematoda. (Tprjfia, a cavity ; eibo<s, a resemblance.) The tre- 

 matode class of entozoa derives its name from the existence 

 of one or more depressions, which serve as organs of 

 adherence. 



Teichina. (0/3<f, genitive rpixo^, a hair.) A small nematoid 

 worm, found in the muscles. 



Teichomonas, (0/3<|^, genitive Tpixo^, and /nova?, a single point,) 

 One of the genera of the Protozoa, 



Teicocephaltjs, (Qpt^, genitive rptxo^, and KecpaXy, the head,) 

 The entozoon to which this name is applied is smaller at the 

 anterior than at the posterior portion ; at one time the 

 smaller end was supposed to be the tail of the worm, so that 

 it was then called the JJrichuris (from Opl^, genitive -rpixo^, 

 and ovpa, the tail). 



ViBEio. {Vihro, to shake.) The animalcules included in the 

 genus Vibrio are capable of executing rapid movements by 

 means of repeated vibrations. 



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