- 期刊
Ultrastructure of the Antennal Sensilla of the Oriental Fruit Fly Bactrocera (=Dacus) dorsalis (Hendel) (Diptera: Tephritidae)
東方果實蠅Bactrocera（=Dacus）dorsalis 觸角感覺毛之微細結
摘要
利用穿透性電子顯微鏡研究東方果實蠅觸角感覺毛之微細結構， 可分為兩類，單層感覺毛（single-walled sensilla）和雙層感覺毛（double-walled sensilla）。單層感覺毛又分有厚壁有孔感覺毛（thick-wakked-pore sensilla）和薄壁有孔感覺毛（thin-walled-pore sensilla）。形態學上之毛狀第一型感覺毛（trichoid type I sensilla）屬於厚壁感覺毛， 毛壁厚，厚度約0.18-0.38µm，壁孔小而疏。毛腔內具神經細胞（seneory cell）一或兩個。在形態上之毛狀第二感覺毛（trichoid type II sensilla），突出感覺毛（basiconic sensilla）和棒狀感覺毛（clavate sensilla）屬薄壁有孔感覺毛，其毛壁薄，厚度約0.05-0.15µm，壁孔大而密，感覺毛上部之毛腔具有許多經樹突分支（dendritic branches），基部在體壁內具一或兩個神經細胞。棒狀感毛之微細構造，毛腔內除樹突分支外，還有呈層狀或環狀之樹突。雙層感覺毛為形態學上之時針感覺毛（styloconic sensilla）或稱為溝感覺毛（grooved sensilla）。由於原來體壁外著腔內具2 或4 條樹突，係由兩個基部之神經細胞發出之神經樹突，不分支或分支而呈2或4條樹突。
並列摘要
Ultrastructure of the antennal sensilla on the funiculus of Bactrocera dorsalis is distinguished into two groups: the single-walled sensilla and the double-walled sensilla . The single-walled sensilla are further divied into those with thick -walled-pore and those with thin-walled-pore. The former have thick cuticular sensillar wall about 0.18-0.38µm in thickness. The pore openings are small and the density of pores is only 11 to 12 pores per square micron. One or two dendrites appear in each sensillar lumen and they connect with one or two sensory cells. The latter have a thin cuticula r walls about 0.05-0.15 I'm in thickness. The density of pores is about 25 pores per square micron. The pore openings are large with a circular pore below the cuticular wall. Twenty to sixty dendritic branches appear in the distal region of the sensillar lumen. In the clavate sensilla, besides the dendritic branches, there is a lamella or rolled dendritic structu re on the midregion of the sensillar lumen, with one or two sensory cells at the base of the sensilla, below the cuticular part. The double walled sensilla contains an original cuticul ar sensilla wall and 10 to 12 ridges to make a double walled structure which appears as a stellate structure in cross section . These sensilla include two sensory neurons and two to four dendritic branches in the sensillar lumen.
延伸閱讀
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