Ultrastructure of the First Optic Neuropil, the Lamina in the Fruit Fly, <i>Drosophila melanogaster</i>
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- Hamanaka Yoshitaka
- 北海道大学理学研究院 行動神経生物学講座
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- Yasuyama Kouji
- 川崎医科大学自然科学教室(生物学)
Bibliographic Information
- Other Title
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- キイロショウジョウバエ第一次視覚中枢・視葉板の超微細構造
- キイロショウジョウバエ ダイイチジ シカク チュウスウ ・ シ ヨウバン ノ チョウビサイ コウゾウ
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Abstract
<p>Insect compound eye comprises a unit called ommatidium, which houses 7-8 photoreceptors. Visual signals perceived by photoreceptors are processed in the underlying optic lobe, which consists of three discrete neuropils (from the distal, the lamina, the medulla and the lobula complex). The first visual neuropil, the lamina is located beneath the retina, and composed of an array of units termed cartridges. After the lamina, visual information is conveyed to the central brain through the medulla and the lobula complex. In the optic lobe, several tens of thousands of neurons exist, and they form neural connections (synapses) each other to build neural circuits, where several feature of objects such as motion, color, shape and contrast is extracted. The lamina of the fruit fly, Drosophila melanogaster is one of insect neuropils, whose cellular components and synaptic partnerships in which are most well characterized. Here, we overview its ultrastructure.</p>
Journal
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- KENBIKYO
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KENBIKYO 50 (2), 126-130, 2015-08-30
The Japanese Society of Microscopy
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Details 詳細情報について
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- CRID
- 1390564227299079296
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- NII Article ID
- 130007701766
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- NII Book ID
- AA11917781
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- ISSN
- 24342386
- 13490958
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- NDL BIB ID
- 026765239
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- Text Lang
- ja
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- Data Source
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- JaLC
- NDL
- CiNii Articles
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- Abstract License Flag
- Disallowed