ArticleAnatomy and embryology1994
Microscopic structure of the olfactory organ of the clearnose skate, Raja eglanteria.
Article in Anatomy and embryology, 1994. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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Who cites it
10 citing papers in PubMed, 46 citations in OpenAlex.
- Ancient and Nonuniform Loss of Olfactory Receptor Expression Renders the Shark Nose a De Facto Vomeronasal Organ.Molecular biology and evolution · 2023Article
- Sniffing out Stingray Noses: The Functional Morphology of Batoid Olfaction.Integrative organismal biology (Oxford, England) · 2022Article
- Microstructure of the Bonnethead Shark (Integrative organismal biology (Oxford, England) · 2022Article
- Multimodal Imaging and Analysis of the Neuroanatomical Organization of the Primary Olfactory Inputs in the Brownbanded Bamboo Shark,Frontiers in neuroanatomy · 2020Article
- Secondary Folds Contribute Significantly to the Total Surface Area in the Olfactory Organ of Chondrichthyes.Frontiers in physiology · 2019Article
- Effects of urea on the molecules involved in the olfactory signal transduction: a preliminary study on Danio rerio.Fish physiology and biochemistry · 2014Article
- Olfactory Sensory Neuron Morphotypes in the Featherback Fish, Notopterus notopterus (Osteoglossiformes: Notopteridae).Annals of neurosciences · 2014Article
- 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
- Molecular dynamics simulations of water/mucus partition coefficients for feeding stimulants in fish and the implications for olfaction.PloS one · 2013Article
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Authors and funding
3 authors at 2 institutions in 1 country.
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Abstract
The olfactory organ of juvenile clearnose skates (Raja eglanteria) was studied with the light and electron microscopes. The organ is ovoid in shape, and its free surface is complicated by the presence of some 20 lamellae. Each lamella has a folded surface lined by a typical neurosensory olfactory epithelium. Bipolar olfactory receptor neurons, ciliated sustentacular cells, and basal cells are the pre-eminent cellular components of the epithelium. Two types of receptor neurons, both bearing microvilli but not cilia, were identified. The type 1 neuron is similar to that previously described in other fishes. The type 2 neuron has a characteristic morphology justifying a separate description. Its dendritic knob is larger than that of type 1, and its microvilli, which are shorter and thicker, are straight and regularly arranged. Tight bundles of filaments provide a skeleton to each microvillus, and these filament bundles reach more than 5 microns down into the dendrite. Type 2 receptor neurons have a well-developed Golgi complex and sparse rough endoplasmic reticulum (rER), whereas type 1 receptor neurons have a less well-developed Golgi complex and a conspicuous system of rER lamellae. The mucous layer on the epithelial surface is provided by the secretion of goblet cells that are situated mostly in the peripheral regions of each lamella. Secretory granules in the sustentacular cells and glands in the lamina propria were not observed.
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