Phagocytosis by blood cells in healthy and diseased caterpillars

Wittig, Gertraude

doi:10.1016/0022-2011(65)90124-2

Cited by 41 publications

(1 citation statement)

References 8 publications

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“…Gtntralement, ces cellules se maintiennent un niveau numerique habituellement tleve jusqu'au dernier stade larvaire ou a la chrysalide. Pendant les stades prtchrysalide (Yeager 1945;Arnold 1952;Clark et Chadbourne 1960) et chrysalide (Wittig 1968), il y a habituellement une baisse significative de leur nombre suivie d'une nouvelle stabilisation chez l'adulte (Yeager 1945;Arnold 1952). Chez L. f .…”

Section: Discussion Et Conclusionunclassified

ÉTUDE DU COMPLEXE HÉMOCYTAIRE POSTEMBRYONNAIRE DE LAMBDINA FISCELLARIA FISCELLARIA (LEPIDOPTERA: GEOMETRIDAE)

Boiteau

Perron

1977

Can Entomol

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ResumeCan. Enr. 109: 269-276 (1977) Les auteurs ont etudit les htmocytes de Lambdinafiscellariaflscellaria (Guen.) maintenus en suspension ou enrobts dans l'tpon. Cinq types difftrents de cellules sanguines ont kt6 dtcrits.Ce sont les prohemocytes, les plasmatocytes, les htmocytes granulaires, les cellules i sphtrules et les oenocytoi'des. La faible importance numerique des prohtmocytes et des oenocytoi'des, la baisse significative du nombre des plasmatocytes pendant les derniers stades larvaires ainsi que la hausse correspondante des htmocytes granulaires et des cellules ? i sphirules sont discuttes au regard de la litttrature. Les comptages htmocytaire totaux ont tgalement t t t effectuts. AbstractHernocytes of Lambdina fiscellariafiscellaria (Guen.) were examined as suspended cells or as slides from a culot. Five types of hemocytes were identified: prohemocytes, plasmatocytes, granular hemocytes, spherule cells, and oenocytoids. The low numbers of prohemocytes and oenocytoids, the significant decrease in the number of plasmatocytes in last larval stages, and the corresponding increase in granular and spherule cells have been compared with existent literature. Total hemocyte counts were also made.

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Section: Discussion Et Conclusionunclassified

ÉTUDE DU COMPLEXE HÉMOCYTAIRE POSTEMBRYONNAIRE DE LAMBDINA FISCELLARIA FISCELLARIA (LEPIDOPTERA: GEOMETRIDAE)

Boiteau

Perron

1977

Can Entomol

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A histological study of wound healing and hemocyte function in the wax‐moth Galleria mellonella

Rowley

Ratcliffe

1978

Journal of Morphology

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The stages in wound healing of the wax-moth, Galleria mellonella, were examined using routine histological techniques. Final instar larvae were wounded and maintained for up to 72 hours before fixation, dehydration and embedding in Paraplast wax or Araldite. Immediately after wounding both fat-body and hemolymph were forced through the wound to form a plug. Concomitantly, the hemolymph coagulated forming vast networks of strand-like material attached to the hemocytes underlying the wound. After one to two hours this plug melanized and the cells became highly necrotic. Six hours after wounding, there was a massive influx of hemocytes which eventually attached to the melanized layer over the wound to form a multicellular sheath. Twelve to twenty-four hours later, the epidermal cells underlying the broken cuticle detached and migrated across the wound to form a new intact layer. This layer secreted an amorphous material which is probably the precursor of the new cuticle. Hemocyte functions during wound healing and other cellular defenses are discussed.

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