Morphological and histochemical studies on a PAS‐positive granular leukocyte in blood and connective tissues of <i>Catostomus commersonnii</i> Lacépède (Teleostei:Pisces)

Barber, D. L.; Westermann, J. E. Mills

doi:10.1002/aja.1001420206

Cited by 26 publications

(22 citation statements)

References 14 publications

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“…Another conspicuous difference between gonads of those two fish is the abundance of PAS-positive granular leukocytes in the red drum. This cell appears similar to that investigated by Barber andWestermann (1975, 1978). Several different leukocytes exist among different fish species, some referred to as eosinophils, but many of their various functions remain mostly unsolved (Hawkins et al 1981).…”

Section: Histology Of Gonadsmentioning

confidence: 54%

Aspects of the Biology of the Red Drum, Sciaenops ocellatus, in Mississippi

Overstreet

1983

GCR

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Several hundred specimens of the red drum from Mississippi were critically assessed. Regression equations for standard-length (SL) versus total-length differed between males and females and between small and large members of the same sex. A single regression line represented the weight-SL relationship for males with females. For condition coefficients to be helpful, fish had to be grouped at least by sex, season, and length or stage of maturity. By 12 months of age, most fish were about 30 to 32 cm SL and their distribution ranged throughout Mississippi Sound rather than being restricted to inshore bayou and marsh habitats like younger individuals. Juvenile fish tended to have a high hepatosomatic index (HSI) in winter, and adultshadalow one following spawning. The gonosomatic index (GSI) was typically lower than the HSI except for gravid fish in spring and summer. The number of oocytes available for spawning appeared to be much higher than cited in previous reports. The highest calculated fecundity, occurring in a 758 mm SL fish, was 62 million using a volumetric displacement method and 95 million using a gravimetric one. Extrapolated estimates for larger fish were much higher. Resting and yolk-vesicle stage oocytes typically had an irregular shape, an eccentrically located nucleus, and an abundance of highly basophilic substance in the ooplasm. Throughout a seasonal histological examination, both gonads contained, often in an abundance, Periodic-acid-Schiff-positive granular leukocytes. Spawning took place in late September and October one year, but apparently has occurred over longer periods when conditions of temperature and photoperiod were appropriate. No tagged, 1-year-old fish were returned from farther than 33 km from the point of release.

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Section: Histology Of Gonadsmentioning

confidence: 54%

Aspects of the Biology of the Red Drum, Sciaenops ocellatus, in Mississippi

Overstreet

1983

GCR

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“…The granules are intensely eosinophilic. These peripheral condensations correspond to some extent to those within the granules of the PAS-granular leucocyte (PAS-GL) in the blood and gills of Catostomus commersoni (Barber & Westermann, 1975). However, the granules of the type 1 cell have a regular, peripheral and fibrillar condensation whereas those of the PAS-GL are irregular; nor is there any evidence that the type 1 cell is PAS-positive.…”

Section: Monocytementioning

confidence: 87%

Blood and other possible inflammatory cells in the sparid Acanthopagrus australis (Günther)

Roubal

1986

Journal of Fish Biology

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The peripheral blood cells of Acanthopagrus australis include erythrocytes, elongated and rounded thrombocytes, lymphocytes, neutrophils and monocytes. The ultrastructure of lymphocytes, neutrophils and monocytes is described. Type 1 cells with characteristic elongated, eosinophilic granules and type 2 cells with rounded, apparently labile granules are common in the gill filaments and do not increase or decrease significantly in abundance in ectoparasiteinfested gill filaments. Extravascular neutrophils tend to be more evident in pathologic tissue. Lymphocytes and the macrophage-like type 3 cells are the most abundant infiltrating cells in pathologic gill tissue. Apart from ultrastructural and histochemical data, granule length and width are sufficient criteria to distinguish between the neutrophil, type 1, type 2 and type 3 cells.

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“…In Catostomus commersoni, a particular cell type was interpreted as a mast cell precursor by Barber & Westermann (1975) and as an eosinophil granulocyte by Lester & Desser (1975). It is now established that, although in some vertebrate species eosinophil granules possess a crystalline core, this is not a universal feature (KelCnyi & NBmeth, 1969;Davies & Haynes, 1975).…”

Section: Reactions Of Leucocytesmentioning

confidence: 95%

Electron microscopy of wound healing in the skin of Gasterosteus aculeatus

Phromsuthirak

1977

Journal of Fish Biology

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The process of healing of a small surgical incision in the skin of Gusterosteus aculeatus has been studied by electron microscopy. The wounds were made in the mid-ventral line where no muscle intervenes between the skin and the peritoneum. The epidermis moved in through the incision and spread outwards beneath the dermis; the migrating epithelial cells were shown to be phagocytic. The wound was closed when cells at the surface of the epidermis met across the gap, forming a plug of epidermal tissue which was then invaded by dermal tissue from either side. Formation of new basement membrane apparently depended on the interaction of epidermal and dermal components. Leucocyte types were identified by electron microscopy; acid phosphatase tests were positive in macrophages and in neutrophil granulocytes, negative in lymphocytes and in eosinophil granulocytes. These four types of leucocyte are present in normal skin; after wounding, more migrated into the epidermis from the blood. The number of neutrophils in the epidermis reached a peak 24 h after wounding and declined during the second day. The number of macrophages rose to a peak by the third day and returned to normal by day 8. The numbers of eosinophil granulocytes and of lymphocytes showed little change. Neutrophil granulocytes were shown to be phagocytic, although not to the same extent as the macrophages.

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Morphological and histochemical studies on a PAS‐positive granular leukocyte in blood and connective tissues of Catostomus commersonnii Lacépède (Teleostei:Pisces)

Cited by 26 publications

References 14 publications

Aspects of the Biology of the Red Drum, Sciaenops ocellatus, in Mississippi

Aspects of the Biology of the Red Drum, Sciaenops ocellatus, in Mississippi

Blood and other possible inflammatory cells in the sparid Acanthopagrus australis (Günther)

Electron microscopy of wound healing in the skin of Gasterosteus aculeatus

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