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dc.contributor.authorChaitip Wanichanonen_US
dc.identifier.citationJournal of Shellfish Researchen_US
dc.description.abstractThe ultrastructum of all three types of neurosecretory cells (NS1, NS2 and NS3) in the cerebral and pleuropedal ganglia of Haliotis asinina was studied. NS1 cells contained a euchromatic nucleus, and the cytoplasm contained RER, Golgi complexes, mitochondria and ribosomes. There were two types of neurosecretory granules in the NS1 of cerebral ganglia: type 1 were large osmiophilic membrane-bound granules and type 2 were small electron-dense spherical granules. The NS1 cells of pleuropedal ganglia only had one type of round cytoplasmic granule with a moderate to strong electron-dense matrix. NS2 cells contained blocks of heterochromatin in the nucleus. The cytoplasm of the NS2 of cerebral ganglia contained the usual organelles similar to those of NS1 cells and large membrane-bound granules containing crystalline structures embedded in a moderately dense osmiophilic matrix. The NS2 cells of pleuropedal ganglia contained one type of granule that had a dense matrix. NS3 cells were smaller than NS1 and NS2. The nucleus contained thick heterochromatin strands. The organelles in the cytoplasm appeared to be fewer than those of NS1 and NS2. The secretory granules of NS3 of both cerebral and pleuropedal ganglia were composed of aggregates of dense osmiophilic globules of various sizes.en_US
dc.publisherNational Shellfisheries Association, Inc.en_US
dc.subjectCerebral gangliaen_US
dc.subjectHaliotis asininaen_US
dc.subjectNeurosecretory cellsen_US
dc.subjectPleuropedal gangliaen_US
dc.titleUltrastructure of neurosecretory cells in the cerebral and pleuropedal ganglia of Haliotis asinina linnaeusen_US
Appears in Collections:Anatomy: International Proceedings

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