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1.
Braz. j. biol ; 63(3): 517-525, Aug. 2003. ilus, tab
Article in English | LILACS | ID: lil-353975

ABSTRACT

From August, 1996 to December, 1997, 293 of ''dourado'' specimens, Salminus maxillosus (Valencienes, 1840), of various sizes, were caught in Mogi-Guaçu River, Emas Falls, for hematologic studies. Total weight (Wt in g) and length (Lt in cm) were taken for each individual animal. Smears were prepared from blood samples and utilized for differential leukocyte counts (lymphocytes, neutrophils, monocytes, eosinophils, special granulocytic cell and immature cells). The mean percentages of leukocytes were determined according to sex and stage of gonadal maturation (immature, in maturation, mature, spent and resting). Significant differences between male and female occurred only for the special granulocytic cell. In analyzing the leukocyte profile during gonadal development, only female showed significant differences in mean percentages of lymphocytes, neutrophils, monocytes and eosinophils.


Subject(s)
Animals , Male , Female , Fishes , Leukocyte Count , Brazil , Rivers , Sexual Maturation
2.
Rev. chil. anat ; 18(2): 245-50, 2000. ilus
Article in Spanish | LILACS | ID: lil-282214

ABSTRACT

Las características morfológicas de sangre periférica del pez Salminus maxillosus fueron descritas usando microscopía de luz. Para demostrar el comportamiento citoquímico de las células sanguíneas del pez en estudio, fueron aplicados métodos específicos para la detección de cuatro tipos básicos de componentes macromoleculares, de naturaleza química diferente: carbohidratos, lípidos. proteínas enzimáticas y estructurales. Fueron observados 6 tipos de células: eritrocitos, trombocitos, monocitos, linfocitos, neutrófilos de los tipos I y II y eosinófilos. Los trombocitos y los neutrófilos de los tipos I y II presentaron glucógeno en el citoplasma. Los neutrófilos del tipo II presentan gránulos sudanófilos y mielloperoxidasa. Además presentan, reacción difusa intensa para proteínas en el citoplasma. Los eosinófilos muestran reacción intensa en sus gránulos


Subject(s)
Animals , Blood Cells/ultrastructure , Fishes/anatomy & histology , Blood Platelets/ultrastructure , Carbohydrates/metabolism , Eosinophils/ultrastructure , Histocytochemistry , Lymphocytes/ultrastructure , Monocytes/ultrastructure , Neutrophils/ultrastructure
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