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KMID : 1161520060100040183
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Animal Cells and Systems
2006 Volume.10 No. 4 p.183 ~ p.189
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Antennal sensory organs in the female millipede Orthomorphella pekuensis (polydesmida: Paradoxosomatidae)
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Chung Kyung-Hwun
Moon Myung-Jin
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Abstract
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The fine structural characteristics of the antennal sensory organs of a female millipede, Orthomorphella pekuensis, were observed with field emission scanning electron microscopy. On the surface of the antenna, four basic types of sensory receptor with the function of either mechanical or olfactory reception are identified in this female millipede. Of these, chaetiform sensilla (CS) and trichoid sensilla (TS) are related to mechanical reception, and four large apical cone sensilla (AS) and three subtypes of basiconic sensilla (BS1, BS2, BS3) are likely to function in olfactory reception, as these receptors have porous structure commonly. Although this millipede also possess a number of primary or secondary sexual characters to improve the efficiency of reproduction, we could not observe their prominent sexually dimorphic characters in the antennal sensilla with the exception of minor structural and numerical differences.
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KEYWORD
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Antenna, millipede, Orthomorphella pekuensis, sensilla
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