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

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                                ovum. Nor is there any other anatomical 
character which would raise its organisa=
tion above that of a simple acephalacyst. 
However this so exactly resembles in its struct=
ure that of the ventral portion of a per=
fect Cysticercus, that it is impossible 
to doubt their identity of character. 
Its size too is not much beneath that stage where the suckers & hooklets first 
begin to present obscure indications of 
the part they are about to occupy. 
I may observe moreover, that this form 
& all the preceding ones together with 
perfect cysticerci provided with the 
regular number of hooklets & suckers, 
can in many specimens all be found 
intermixed together in a space not 
exceeding a square line. 
The dimensions of that form of 
Cysticercus in which there are obscure 
though sufficiently certain indications 
of the site about to be occupied by 
the neck of suckers, are about 1/10 of an 
inch in length, & 1/19 in breadth. 
See Plate 4. fig: 2 & 3.
The first indication of the 
addition of the neck with the suckers 
& hooklets to the ventral part of a 
Cysticercus is the appearance about 
its centre of a slightly raised body, 
depressed in the middle with longi=
tudinal folds proceeding from each 
side of it towards the poles of the ventral 
cyst, appearing as if at this part the 
parietes of the latter had been drawn 
inwards 
                            
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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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