Results 151 to 160 of about 1,879 (181)

The reproductive cycles of the oviparous lizards

Amphibia-Reptilia, 1996
Abstract We examined the reproductive cycles of two species of the only oviparous genus Platysaurus in the predominantly viviparous family Cordylidae, endemic to Southern Africa. The reproductive cycles of Platysaurus capensis and P.
J.H. van Wyk, P. le F.N. Mouton
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Ovarian folliculogenesis in the oviparous Mexican lizardCtenosaura pectinata

Journal of Morphology, 1996
The ovarian follicles of Ctenosaura pectinata exhibit a clear seasonal cycle in morphology. Early in development, each oocyte is surrounded by a granulosa composed of a single layer of cuboidal or squamous cells and thin thecal layers. As folliculogenesis progresses, the granulosa becomes multilayered and composed of three distinct cell types.
María Del Carmen A, Uribe, Gloria Luz Portales, B, Louis J, Guillette   +2 more
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Oviparous Hermaphroditic Fish with Internal Self-Fertilization

Science, 1961
Adults of Rivulus marmoratus (Cyprinodontidae) contained eggs when dissected or laid eggs when kept alive. They invariably oviposited solo, emitting eggs in various developmental stages. Both juvenescent and senescent fish have functional ovotestes.
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Relaxin from an oviparous species, the skate (Raja erinacea)

Biochemical and Biophysical Research Communications, 1987
An acid-acetone extract prepared from ovaries of the skate, Raja erinacea, contained a weakly crossreacting molecule when tested in a pig relaxin radioimmunoassay. The material was isolated and purified to homogeneity by ion exchange chromatography, molecular exclusion chromatography, and HPLC.
E E, Büllesbach, C, Schwabe, I P, Callard   +2 more
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OVIPAROUS FILARIAL NEMATODES MAINLY FROM AUSTRALIAN BIRDS

1981
(Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.
Bain, Odile, Mawson, Patricia M
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On the oviparity of Peripatus leuckartii

1891
(Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.
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1.2.1.2 Embryonic development; oviparity and viviparity

1997
Publisher Summary This chapter describes the embryonic development of soft scale insects family Coccidea. The mature oocyte in members of the family Coccidae is very similar to that noted in the Diaspididae. Even Krassilstschick cell that was considered to be typical of the pedicel of diaspidid ovarioles has also now been shown to be present in the ...
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Oviparity in a Sea-Snake (Laticauda colubrina)

Nature, 1930
IN view of the fact that all sea-snakes (Hydrophiidae) are generally regarded as viviparous,1 the following occurrence seems worthy of note.
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A Viperine Snake which is Oviparous

1904
(Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.
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Oviparous

2008
John B. Heppner, John B. Heppner, Minos E. Tzanakakis, Minos E. Tzanakakis, Minos E. Tzanakakis, Pauline O. Lawrence, John L. Capinera, Rod Nagoshi, Günter Gerlach, Hugh Smith, John L. Capinera, John B. Heppner, John B. Heppner, James L. Nation, Alan A. Berryman, Simon R. Leather, John B. Heppner   +16 more
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