Neural organization of afferent pathways from the stomatopod compound eye
| Autor: | Justin Marshall, Hanne H. Thoen, Nicholas J. Strausfeld |
|---|---|
| Rok vydání: | 2017 |
| Předmět: |
0301 basic medicine
Silver Staining Lamina Neuropil genetic structures Color vision Biology 03 medical and health sciences Imaging Three-Dimensional 0302 clinical medicine Ommatidium Crustacea medicine Animals Visual Pathways Compound Eye Arthropod Mantis Neuronal Tract-Tracers Fluorescent Dyes Neurons Retina General Neuroscience Dextrans Anatomy Compound eye Synapsins biology.organism_classification Immunohistochemistry eye diseases Neuroanatomical Tract-Tracing Techniques Eumalacostraca 030104 developmental biology medicine.anatomical_structure sense organs 030217 neurology & neurosurgery |
| Zdroj: | Journal of Comparative Neurology. 525:3010-3030 |
| ISSN: | 1096-9861 0021-9967 |
| DOI: | 10.1002/cne.24256 |
| Popis: | Crustaceans and insects share many similarities of brain organization suggesting that their common ancestor possessed some components of those shared features. Stomatopods (mantis shrimps) are basal eumalacostracan crustaceans famous for their elaborate visual system, the most complex of which possesses 12 types of color photoreceptors and the ability to detect both linearly and circularly polarized light. Here, using a palette of histological methods we describe neurons and their neuropils most immediately associated with the stomatopod retina. We first provide a general overview of the major neuropil structures in the eyestalks lateral protocerebrum, with respect to the optical pathways originating from the six rows of specialized ommatidia in the stomatopod's eye, termed the midband. We then focus on the structure and neuronal types of the lamina, the first optic neuropil in the stomatopod visual system. Using Golgi impregnations to resolve single neurons we identify cells in different parts of the lamina corresponding to the three different regions of the stomatopod eye (midband and the upper and lower eye halves). While the optic cartridges relating to the spectral and polarization sensitive midband ommatidia show some specializations not found in the lamina serving the upper and lower eye halves, the general morphology of the midband lamina reflects cell types elsewhere in the lamina and cell types described for other species of Eumalacostraca. |
| Databáze: | OpenAIRE |
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