نتایج جستجو برای: micropyle
تعداد نتایج: 189 فیلتر نتایج به سال:
Fresh fecal samples from 12 shrews, 10 Cryptotis goodwini Jackson, 1933, and 2 Cryptotis merriami Thomas, 1898, were collected between December 1994 and May 1998; 11 (92%) were positive for eimeriid coccidia, including 8 of 8 C. goodwini and 2 of 2 C. merriami from Honduras and 1 of 2 C. goodwini from Guatemala. Two Eimeria species were found: 1 is consistent with the description of Eimeria whi...
From 1990 to 1991, 11 northern flying squirrels, Glaucomys sabrinus, and 30 Townsend's chipmunks, Tamias townsendii, were live-trapped, marked, and released in MacDonald Forest, Benton Co., Oregon and their feces at each capture examined for the presence of coccidian parasites. Two eimerians were found in G. sabrinus: Eimeria dorneyi and a second species we describe here as new. One species, Ei...
The movement of water into harvest-ripe grains of dormant and non-dormant genotypes of wheat (Triticum aestivum L.) was investigated using Magnetic Resonance Micro-Imaging (MRMI). Images of virtual sections, both longitudinal and transverse, throughout the grain were collected at intervals after the start of imbibition and used to reconstruct a picture of water location within the different gra...
Faecal samples from a couple of bare-throated bellbirds Procnias nudicollis imported from Brazil to Barcelona Zoo contained oocysts of Isospora araponga n. sp. Sporulated oocysts were subspherical to broadly ellipsoidal, 19.5 (17-22) x 15.5 (14-16.5) microm, shape index (length:width ratio) 1.26 (1.13-1.38) with smooth and colourless bilayered wall, about 1 microm thick, and with varying number...
treatments with secretion of female accessory gland and micropyle cap substance. Int. J. Insect Morphol. Embryol. 14, 381391. Engelmann, F. (1970). The Physiology of Insect Reproduction. Pergamon, New York. Gillett, C. 0 988). Arthropoda-Insecta. In Reproductive Biology of invertebrates. Vol III. Accessory Sex Glands. (K. G. and R. G. Adiyodi, Eds.), pp. 319-471. Wiley, New York. Gillott, C. (1...
The present study describes a new isosporoid coccidian parasite from the bananaquit Coereba flaveola, in Brazil. This new species is similar to I. cagasebi, but it can be distinguished by the size and shape of Stieda and susbstieda bodies. Isospora coerebae n. sp. oocysts are spheroidal to sub-spheroidal, 24.8 × 23.3 μm, with a smooth and bi-layered wall, ~1.2 μm. Micropyle, oocyst residuum and...
This paper presents data associated with the research article entitled "Targeted downregulation of s36 protein unearths its cardinal role in chorion biogenesis and architecture during Drosophila melanogaster oogenesis" [1]. Drosophila chorion is produced by epithelial follicle cells and one of its functional serving role is egg fertilization through the micropyle, a specialized narrow channel a...
The morphology of Anastrepha sororcula Zucchi and A. serpentina (Wiedemann) eggs are described by scanning electron microscopy. A. sororcula eggs present a conspicuous sculpturing of the chorion at the micropylar end while the eggs of A. serpentina are devoid of such ornamentation. The sculpturing of the A. sororcula eggs, represented by ridges in a polygonal arrangement, is more developed in t...
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