432
aa:CHJzbamers a
imp0rtanbe of Rijkers' observation might rather be related to the
of
granulbcytes to exert their bactériocidal activity by extracellular release of
enzymes
than to
their phagocytic capacity and
intracellular
killing
(Ellis,
19818).
_
'
In several Species of carp the presence_ of
leucocytes
has
been
Which
display ikilling activity to mammalion cell lines without_anÿ
apparant induction period or specificity (Hinuma et al., 1980).
Data obtained
in other fish,species str0ngly suggest these natural cytotoxic cells to be an—
their functional
significance
in
fish still has
to
(Evans et al., 1984).
’
_
CELLS
INVOLVED ËË_ÊËÊ_IMMUNE PROCESSES.
,,
.
__
_
.
_
,_f
Despite the fact that leucocytes of cyprinid fish have been described .by
Several
auth0rs—
(cf.
1985),, there still is a need for a standard
subject as there is no uniformity in nomenclature and
_céll
types 1descfibed;
the description presented here,,based-on observations in
common catp and rosÿ barb (Barbus comchonius), the nomenclature
of
Barber, &
is used for the granular
'î
”
The leuCocytes of teleosts show
similaritieS» to
in birds and mammals (Ellis, 1977) (see fig,
l), ,Davina et
that blood
erythrocytes
mainlchonsisted of lymphocytes and heterophilic granulocytes
granular:leucocÿtes (EASÎGL);8Üd«—Œ8Cï0phâgê$.
addition
and PAS—positive granulocytes also an
‘ëosîùophilic graulocyte
(Barber & Westerman,_l978),
In
additibn
'ËQ
(l980), also monocytes
1989)
‘and large lyphoCyEè
observed in
the
circulation _of
'
located in the lymphoid
Ïî.
î=;v.5_—g':j
:
,
;
,? ?
‘
,
3
à ;,
Melanomacrophages
They originate_from macrophages Which have stored
late ry
…(«1L'amearSz,
1985) The1dent1f1ed igi"gmgntggg în _.çarp
are 11p0fusc1n and haem031derln, whereas
apparent ly lack1ng (AglllS
cently bee“ TEVTEWEdbY Agill‘S (1985)
”
,
Th?— lymph01dcellsme d1at1ngthespeegf1c 1mmuneregponge g 1nmammals can
b :
dddt twgg1t gg 11ymhyt Th dtt
bdn tutulgndfungnl dffn g
En (111ng
Isggms hyg1g g
ghh f lymphybppl
Ë1095 TË CYPrinid fish has Concentrated on demonstratiné functional heterogen.FÀIËÆË
demons trated by
means
of
the
«=cvhêB ten—carriersystemandthemtogenresponslveness Às*gAvtal
(1975)
,
goss
t‘° the”l‘—andB-ce11co—operatlonmmammals Rubenet a41
<1977>sep
,
,,
;f…——
'M …M“\
'…
‘
\
\
\ w
\
aa:CHJzbamers a
imp0rtanbe of Rijkers' observation might rather be related to the
of
granulbcytes to exert their bactériocidal activity by extracellular release of
enzymes
than to
their phagocytic capacity and
intracellular
killing
(Ellis,
19818).
_
'
In several Species of carp the presence_ of
leucocytes
has
been
Which
display ikilling activity to mammalion cell lines without_anÿ
apparant induction period or specificity (Hinuma et al., 1980).
Data obtained
in other fish,species str0ngly suggest these natural cytotoxic cells to be an—
their functional
significance
in
fish still has
to
(Evans et al., 1984).
’
_
CELLS
INVOLVED ËË_ÊËÊ_IMMUNE PROCESSES.
,,
.
__
_
.
_
,_f
Despite the fact that leucocytes of cyprinid fish have been described .by
Several
auth0rs—
(cf.
1985),, there still is a need for a standard
subject as there is no uniformity in nomenclature and
_céll
types 1descfibed;
the description presented here,,based-on observations in
common catp and rosÿ barb (Barbus comchonius), the nomenclature
of
Barber, &
is used for the granular
'î
”
The leuCocytes of teleosts show
similaritieS» to
in birds and mammals (Ellis, 1977) (see fig,
l), ,Davina et
that blood
erythrocytes
mainlchonsisted of lymphocytes and heterophilic granulocytes
granular:leucocÿtes (EASÎGL);8Üd«—Œ8Cï0phâgê$.
addition
and PAS—positive granulocytes also an
‘ëosîùophilic graulocyte
(Barber & Westerman,_l978),
In
additibn
'ËQ
(l980), also monocytes
1989)
‘and large lyphoCyEè
observed in
the
circulation _of
'
located in the lymphoid
Ïî.
î=;v.5_—g':j
:
,
;
,? ?
‘
,
3
à ;,
Melanomacrophages
They originate_from macrophages Which have stored
late ry
…(«1L'amearSz,
1985) The1dent1f1ed igi"gmgntggg în _.çarp
are 11p0fusc1n and haem031derln, whereas
apparent ly lack1ng (AglllS
cently bee“ TEVTEWEdbY Agill‘S (1985)
”
,
Th?— lymph01dcellsme d1at1ngthespeegf1c 1mmuneregponge g 1nmammals can
b :
dddt twgg1t gg 11ymhyt Th dtt
bdn tutulgndfungnl dffn g
En (111ng
Isggms hyg1g g
ghh f lymphybppl
Ë1095 TË CYPrinid fish has Concentrated on demonstratiné functional heterogen.FÀIËÆË
demons trated by
means
of
the
«=cvhêB ten—carriersystemandthemtogenresponslveness Às*gAvtal
(1975)
,
goss
t‘° the”l‘—andB-ce11co—operatlonmmammals Rubenet a41
<1977>sep
,
,,
;f…——
'M …M“\
'…
‘
\
\
\ w
\