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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Development genes and evolution 195 (1986), S. 222-228 
    ISSN: 1432-041X
    Keywords: Sense organs ; Drosophila ; Pattern formation ; Peripheral nervous system
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary Various types of sense organs are arranged in a highly reproducible pattern on the thoracic and abdominal segments ofDrosophila embryos and larvae. We describe this pattern and identify the neurons that innervate each sense organ. This identification is confirmed by the analysis of partial deficiencies for the scute region, which delete specifically some of the sense organs and their innervating neurons. Since our description of the sense organs accounts for all the sensory neurons that have been identified in the embryo, we believe that this description is accurate and complete, except in the terminal segment, where some sense organs remain to be identified.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Development genes and evolution 195 (1986), S. 281-289 
    ISSN: 1432-041X
    Keywords: Sensory neurons ; Peripheral nervous system ; Pathway formation ; Drosophila embryo ; Neurogenesis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary The thoracic and abdominal segments of the Drosophila embryo contain 373 neurons innervating external sensory structures and 162 neurons innervating chordotonal organs. These neurons are arranged in ventral, lateral and dorsal clusters within each segment, in a highly invariant pattern. Two fascicles are formed in each segment as the sensory axons grow ventrally towards the CNS and meet motor axons growing dorsally from the CNS. In all but the last segment, the anterior fascicle is contributed by the dorsal and lateral neurons, while the posterior one is formed by the ventral neurons. Five distinct segmental patterns are described, corresponding to (1) the prothorax, (2) the other two thoracic segments, (3) the first seven abdominal segments, (4) the eighth and (5) the ninth (and possibly the tenth) abdominal segments.
    Type of Medium: Electronic Resource
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