I .
11.
111.
IV.
V.
VI.
V11.
VIII.
SOME ASPECTS OF NEOPLASIA IN MARINE
ANIMALS
LIONE EL 14. MAWIMS~,LY-TEIOMAS
l k x t w , IIuntingdon Research Centre, Huntingdon, England
E’cllow, Wolfson College, Cumbridge, England
I~itnitli~cti~~n . . . . .. . .
Nooplasie in Maritin Invnrtobmtns . .
Taxtiriomic. I)ixtLrihut,ion of Nooplesia in
Noolilaxia in Some Marine Mammals. .
A. Simnio . . . . .. ..
33. E’innipotlia
. .
1 .
..
<:. Cnt,eeea . . .. . . . .
Summrwy and Conolrinioti
. .
..
Acknowlocignmnnta
. . ..
..
Bibliography
. . .. . . ..
Ncroplmia in %h
. .
.. . .
..
. .
..
M urino
..
. .
..
..
. .
. .
. .
. . ..
. . ..
..
.. ..
..
. .
.. .. ..
Fish
. . . .
..
.. .. .. ..
.. .. . . ..
.. .. .. ..
* . . . . . ..
.. .. .. . .
.. .. . .
..
..
.. . .
..
15 1
152
162
183
196
196
196
207
219
220
22 1
I. INTRODUCTION
In any p q w r pcrliaps the most difficult tusk for the author is to
write tho simplc, short, unambiguous English sentence. This is particularly true of any techiiical or specirtlist topic in which many words may
be used in their true or original context as opposed to their current
usage. It? is the problem of the pathologist who is essentially one who
studies diseuses but who usually knows or understands less of the
biology or ecology of the subject. This is all the more true when he in
writing for biologists for whom disease processes may be of but passing
interest. Some explanation of the title of this chapter might therefore
be helpful. In iiiany of the infra-human species tumours have not been
either seen or looked for : while many species will be omitted from lack
of knowledge, this is not to say that tumours cannot occur in them but
that, as yet, they have not been reported. The word “ neoplasia ” is
defined by tlie Shorter Oxford English Dictionary as a combination of
Greek and Freiirh words first used in I864 to mean “ 8 new formation of
tissue in some part of the body ; a tumour ”. In the vernacular i t is the
study of c ~ i c e r ,
or disease processes associated with it. Cancer may be
defined 8s a “ malignant growth or tumour, that tends to spread and
reproduca itself, and also to return after removal ”. A tumour may also
be 8 new growth which docs not spread and is then known as a benign
t Deceaml.
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