By A. P. Gupta
The functionality of insect blood cells has lengthy questioned scientists. This much-needed quantity, first released in 1979, makes an attempt to give an explanation for the kinds and capabilities of insect hemocytes, making a good foundation from which paintings within the box could continue. Insect Hemocytes had its origins in a symposium held on the XV overseas Congress of Entomology (1976). it's a coherent presentation whose members have been probably the most eminent experts within the box.
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Extra resources for Insect Hemocytes: Development, Forms, Functions and Techniques
Migratoria and larvae of M. melolontha were found to have hemopoietic tissues with strong similarities; C. erythrocephala, although rather similar to other species, shows interesting pecularities in its hemopoiesis. These data will now be given in some detail. Fig. 13. Hemopoietic organ of Gryllus after severe bleeding (2 days). Compare with Fig. 2. Semithin section, fuchsin stain, x 140. (From Hoffmann, 1970) Hemopoietic tissues and their functions 43 Fig. 14. Stimulation of hemopoiesis after severe bleeding.
Mesothelial cell layer surrounds organ (upper left); certain cells are very digitated and in close contact with collagenlike fibers (capsule). Cortex has regular organization, regular cells (dotted) and fibers forming a dense network; isogenic islets of differentiating hemocytes are seen in this network; note numerous cell divisions. Medulla or lumen (lower part of figure) shows accumulation of differentiated hemocytes of different cell types present in hemolymph; medulla of organ is in communication with dorsal vessel.
227:175-244. Saito, S. 1937. J. Coll. Agric. Hokkaido Imp. Univ. 33:35-109. Sander, K. 1956. The early embryology of Pyrilla perpusilla Walker (Homoptera), including some observations on later development. Aligarh Muslim Univ. Publ. Zool. Ser. (Indian Insect Types) 4:1-61. Seidel, F. 1924. Die Geschlechtsorgane in der embryonalen Entwicklung von Pyrrhocoris apterus. Z. Morphol. Oekol. Tiere 1:429-506. Embryonic hemocytes: origin and development 27 Shafiq, S. A. 1954. A study of the embryonic development of the gooseberry sawfly Pteronidea ribesii.