NDLI: Morphological and physiological identification of medulla interneurons in the visual system of the tiger beetle larva

Content Provider	Springer Nature Link
Author	Okamura, J. Y. Toh, Y.
Copyright Year	2004
Abstract	The morphology of visual interneurons in the tiger beetle larva was identified after recording their responses. Stained neurons were designated as either medulla or protocerebral neurons according to the location of their cell bodies. Medulla neurons were further subdivided into three groups. Afferent medulla neurons extended processes distally in the medulla neuropil and a single axon to the brain through the optic nerve. They received their main input from stemmata on the ipsilateral side. Two distance-sensitive neurons, near-by sensitive and far-sensitive neurons, were also identified. Atypical medulla neurons extended their neurites distally in the medulla and proximally to the brain, as afferent medulla neurons, but their input patterns and the shapes of their spikes differed from afferent neurons. Protocerebral neurons sent a single axon to the medulla neuropil. They spread collateral branches in the posterior region of the protocerebrum on its way to the medulla neuropil. They received main input from stemmata on the contralateral side. Medulla intrinsic neurons did not extend an axon to the brain, and received either bilateral or contralateral stemmata input only. The input patterns and discharge patterns of medulla neurons are discussed with reference to their morphology.
Starting Page	449
Ending Page	468
Page Count	20
File Format	PDF
ISSN	03407594
Journal	Journal of Comparative Physiology A
Volume Number	190
Issue Number	6
e-ISSN	14321351
Language	English
Publisher	Springer-Verlag
Publisher Date	2004-04-07
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Morphology Physiology Stemmata Tiger beetle larva Visual interneurons
Content Type	Text
Resource Type	Article
Subject	Physiology Behavioral Neuroscience Animal Science and Zoology Ecology, Evolution, Behavior and Systematics

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