Results 181 to 190 of about 1,648 (198)
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2014
The musculocutaneus complex of ten planarian species from three families and two marine triclads were studied with the use of light microscopy and transmission electronic microscopy. Some differences in structure of basal plate, subepidermal and dorso-ventral musculature were found.
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The musculocutaneus complex of ten planarian species from three families and two marine triclads were studied with the use of light microscopy and transmission electronic microscopy. Some differences in structure of basal plate, subepidermal and dorso-ventral musculature were found.
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1960
A study of the several fresh and brackish-water springs on Curaçao, carried out by Dr. P. WAGENAAR HUMMELINCK, revealed (a) the common occurrence on that island of Dugesia festai (Borelli 1898), a species which until then had only been known from the South American mainland (nearest find: Ecuador!), and (b) a hitherto undescribed species of ...
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A study of the several fresh and brackish-water springs on Curaçao, carried out by Dr. P. WAGENAAR HUMMELINCK, revealed (a) the common occurrence on that island of Dugesia festai (Borelli 1898), a species which until then had only been known from the South American mainland (nearest find: Ecuador!), and (b) a hitherto undescribed species of ...
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1894
(Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.
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(Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.
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2023
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2014
We studied the formation of embryonic pharynx in early embryogenesis of the planarian Dugesia lugubris O. Schmidt, 1861 using dated material. It is shown that there is no formation of the embryonic gut in D. lugubris during this time. The possibility that the embryonic pharynx can be considered as a case of either recapitulation of some stage in the ...
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We studied the formation of embryonic pharynx in early embryogenesis of the planarian Dugesia lugubris O. Schmidt, 1861 using dated material. It is shown that there is no formation of the embryonic gut in D. lugubris during this time. The possibility that the embryonic pharynx can be considered as a case of either recapitulation of some stage in the ...
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