ArticleAnatomy and embryology1996
Synaptology of the olfactory bulb of an elasmobranch fish, Sphyrna tiburo.
Article in Anatomy and embryology, 1996. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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6 citing papers in PubMed, 42 citations in OpenAlex.
- Multimodal Imaging and Analysis of the Neuroanatomical Organization of the Primary Olfactory Inputs in the Brownbanded Bamboo Shark,Frontiers in neuroanatomy · 2020Article
- Mitral cell development in the olfactory bulb of sharks: evidences of a conserved pattern of glutamatergic neurogenesis.Brain structure & function · 2019Article
- Secondary Folds Contribute Significantly to the Total Surface Area in the Olfactory Organ of Chondrichthyes.Frontiers in physiology · 2019Article
- The Diversity of Spine Synapses in Animals.Neuromolecular medicine · 2016Review
- Developmental, tract-tracing and immunohistochemical study of the peripheral olfactory system in a basal vertebrate: insights on Pax6 neurons migrating along the olfactory nerve.Brain structure & function · 2014Article
- Is the olfactory system of cartilaginous fishes a vomeronasal system?Frontiers in neuroanatomy · 2013Article
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2 authors at 1 institution in 1 country.
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Abstract
The ultrastructure of the elasmobranch olfactory bulb was examined in order to determine the synaptology of the olfactory circuitry in the bonnethead shark, Sphyrna tiburo. The compartmentalization of the bulb, together with the lack of mitral cell basal dendrites, suggests a different way of performing lateral communication between mitral cells of the olfactory bulb. The results show that granule cells assume an important role by directly interlinking mitral cells. A corollary of this is the segregation of the input onto the mitral cell dendritic arborization: afferent fibers synapse onto the intraglomerular mitral terminals, whereas most local circuit interactions utilize extraglomerular synapses located on the shafts and the somas of the mitral dendrites. Therefore, the elasmobranch synaptic pattern is different from that of higher vertebrates; This might represent the use of a different neural route to achieve the same processing task.
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Registered trials
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