Texas Nature Observations and Reminiscenses Page: 47
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TEXAS NATURE OBSERVATIONS AND REMINISCENCES. 47
'lThe most accepted theory re-
garding the migration of the echi-
noeoccus into the substance of the
liver in man is this one: that after
the echinoc'occus embryo is set
tree in the intestines from the food
or drink conta inning the ova, it
starts on its migration into the
Ilrtal vein. anid through that
sol l',e, into the liver. Besides the
portal vein and its hepatic branch-
es, some authors claim the gall
tered, and in Pepper's system of
medicine on echinococcus of the
liver, mention is made of an oc-
casional anomalous development
of the multilocular parasite, which
from its resemblance to colloid
cancer, was supposed to have this
character. Peper states: 'Its re-
semblance to colloidl cancer is the
more striking because of the tend-
ency of the interior of the mass to
undergo degeneration, to disinte-
IEAII',:rTS WI'I'l II(OCKl E'IS IN THE CENTER AND SECTION CI'S (IF THIE
E(cCu1IolscN(ccus PARASITE IN RABiBIT (Highly Magniie l
duets and the alymlphatic sinuses
as thle main source of migration
into the liver substance, remnants
of the parasitee having been found
within the lunmen of these vessels.
The medium of transmission of the
so-called vcehinooccuns multilocu-
laris or conglomerated cyst sacs
has a somewhat different patho-
geny than the other typical form,
because well-defined scolices or
parts of same are seldom encoun-
grate, and to break up into pus
sacs. An echinococcus multilo-
cularis tumor is of almost stony
hardness; it has a very dense fi-
brous structure, intersected by ca-
vities with thick gelatinous cavi-
ties." etc. I have myself not en-
countered just such conditions as
the above mentioned in examin-
ing echinococcus conglomerations
in the rabbit, but I do recollect
many years ago having removed
: ;, t
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Menger, R. Texas Nature Observations and Reminiscenses, book, 1913; San Antonio, Texas. (texashistory.unt.edu/ark:/67531/metapth143558/m1/51/: accessed October 17, 2018), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; crediting University of Texas Health Science Center Libraries.