Results 171 to 180 of about 23,359 (212)
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Ultrastructure of the ileum of Locusta migratoria
Journal of Morphology, 1986AbstractThe epithelium of the ileum of Locusta migratoria is composed of a single layer of columnar cells surrounded on the luminal side by cuticle and on the haemocoel side by a circular muscle layer. Where the circular muscles contact the epithelium, longitudinal muscles are present and the epithelium is slightly reduced.
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Ultrastructure of the muscles of the dorsal diaphragm in Locusta migratoria
Cell and Tissue Research, 1979The alary muscles of Locusta migratoria adults make up the major tissue of the dorsal diaphragm which separates pericardial and perivisceral sinuses in the abdomen. The alary muscles are striated with a sarcomere at rest measuring about 9 microns. The Z-line has a staggered-beaded arrangement with A-bands and I-bands readily discernable.
T A, Miller, I, Benedeczky, K S, Rózsa
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Ecdysone during ovarian development in Locusta migratoria
Journal of Insect Physiology, 1977Abstract Considerable amounts of ecdysteroids are produced during each ovarian cycle in adult females of Locusta when vitellogenesis is almost completed. The hormonal molecules are synthesized at the end of the maturation of the terminal oocytes during each cycle, at the time when vitellogenesis is almost completed.
Lagueux, Marie +2 more
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Peptides in the Locusts, Locusta migratoria and Schistocerca gregaria
Peptides, 1997The first peptide identified in locusts was adipokinetic hormone I (AKH-I), a neurohormone mobilizing lipids from the fat body. No other locusts peptides were isolated until 1985. From then on peptide identification started to boom at such a tremendously fast rate that even specialists in the field could hardly keep track.
L, Schoofs +3 more
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A supernumerary chromosome segment in Locusta migratoria
Genome, 1993A single female of Locusta migratoria was found to be heterozygous for a supernumerary heterochromatic segment distally located on the M6 autosome close to its nucleolus organiser region (NOR). Reactions to several chromosome banding techniques revealed its heterochromatic nature and its composition of GC-rich DNA sequences and likewise the NORs in ...
M C, Pardo +3 more
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Phosphatases in the neurones of Locusta migratoria
Journal of Cell Science, 1963ABSTRACT Frozen sections of motor neurones in the thoracic ganglia of Locusta migratoria were treated for thiamine pyrophosphatase activity and for acid phosphatase activity. The TPPase-positive bodies range from 0·5 to 1·25 μ. diameter and appear to be the small, membrane-bound inclusions described by Ashhurst and Chapman (1962) in ...
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Dopaminergic control of foregut contractions in Locusta migratoria
Journal of Insect Physiology, 2008Tyrosine hydroxylase-like immunoreactivity is present in cell bodies and processes in the brain and optic lobes of Locusta migratoria, with processes projecting along the frontal connectives to form a neuropile within the frontal ganglion. Immunoreactive cell bodies and processes are also evident in the hypocerebral and ventricular ganglia with ...
Angela B, Lange, Kenny, Chan
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A quantitative description of vitellogenesis in Locusta migratoria migratorioides
Journal of Insect Physiology, 1977Abstract During the main period of development of the oocytes in Locusta migratoria migratorioides from 1.5 mm to 5.5 mm in length, a steady-state level of about 8 mg/ml VG (vitellogenin) † is maintained. During this period, total uptake rate of VG by the terminal oocytes was calculated to increase linearly from about 0.05 mg/hr to about 0.5 mg ...
T, Bakker-Grunwald, S W, Applebaum
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Chemosensory proteins of Locusta migratoria (Orthoptera: Acrididae)
Insect Biochemistry and Molecular Biology, 2000We describe a family of proteins abundantly expressed in the chemoreception sensory organs, the antennae and legs, of the desert locust, Locusta migratoria (Orthoptera, Acrididae). Using polymerase chain reaction-based approaches and homology screenings, "OS-D"-like proteins were identified in L. migratoria. The different sub-types (LmigOS-Ds) are very
J F, Picimbon +3 more
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Active vitellogenesis in precocene-treated Locusta migratoria
General and Comparative Endocrinology, 1981Abstract Vitellogenesis continues unhindered during the first 2 days after precocene II treatment of vitellogenic female locusts bearing terminal oocytes up to 4 mm in length. The growth rate of these oocytes remains normal, but the corpora allata of treated females are inactive insofar as juvenile hormone synthesis is concerned.
E, Lubzens, P, Moshitzky, S W, Applebaum
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