On the Structure and Development of the Cysticercus cellulosae, as Found in the Pig, by George Rainey

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                                <s>that, cysticerci are produced from the ova 
of cystoid entozoa. And, thirdly, it is 
most improbable that the immense quan=
tity of cysticerci including the perfect ani=
malcules & those which are only in their 
vermicular form is at variance with 
the idea of their being developed from the ova of cystoid entozoa, 
& lastly it seems most improbable, if not 
impossible that a sufficient quantity of 
the ova of tape worms could come within 
the sphere in which even one pig, badly 
infested with cysticerci, derives its sus=
tenance, to account for the hundreds, 
perhaps thousands, of these entozoa which 
exist in every cubic line of its entire 
muscular system, & this objection has 
more weight when it is recollected, that 
there are certain districts from which hun=
dreds of such pigs are annually sent to 
the London market. Under the supposition 
that the Cysticercus cellulosae are produced 
from the ova of tape worms these ought 
to be in those districts in which so many 
hundreds of measley pigs are fed, a corres=
ponding prevalence of intestinal tenia. 
If such had been the case, it could hardly 
have escaped notice.
If then the disease in question is 
not produced from the ova of the cestoid ani=
malcules which to my mind seems 
scarcely possible, the question then arises, 
from what does it proceed -
At present I feel unable to answer 
this <\s>
                            
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Manuscript details

Author
George Rainey
Reference
PT/56/8
Series
PT
Date
1857
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On the Structure and Development of the Cysticercus cellulosae, as Found in the Pig, by George Rainey, 1857. From The Royal Society, PT/56/8

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