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Migration and Colonization Patterns of HNK-1-Immunoreactive Neural Crest Cells in Lamprey and Swordtail Embryos
Abstract Migration and colonization patterns of neural crest cells were analyzed histochemically in embryos of the brook lamprey, Lampetra reissneri, and the swordtail, Xiphophorus helleri, usingExpand
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Phylogenetic Relationships among Major Species of Japanese Coleoid Cephalopods (Mollusca: Cephalopoda) Using Three Mitochondrial DNA Sequences
Abstract Phylogenetic relationships among 36 species of major coleoid cephalopods from Japanese waters were studied using partial sequences of three mitochondrial genes, 16S rDNA, 12S rDNA, andExpand
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Thyroid and gonadal function in hypophysectomized hagfish, Eptatretus stouti.
Abstract Use of a surgical hypophysectomy procedure which produces complete removal of the neuro- and adenohypophysis, and which permits survival of a large proportion of treated hagfish, has madeExpand
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A survey of occurrence of about seventeen circumventricular organs in brains of various vertebrates with special reference to lower groups.
  • K. Tsuneki
  • Biology, Medicine
  • Journal fur Hirnforschung
  • 1986
The occurrence of about 17 circumventricular organs is described in 31 species belonging to various groups of vertebrates from cyclostomes to mammals and the phylogeny of each organ is discussedExpand
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Renal organs of cephalopods: A habitat for dicyemids and chromidinids
The renal organs of 32 species of cephalopods (renal appendage of all cephalopods, and renal and pancreatic appendages in decapods) were examined for parasite fauna and for histological comparison.Expand
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Phylogenetic Analysis of Dicyemid Mesozoans (Phylum Dicyemida) From Innexin Amino Acid Sequences: Dicyemids Are Not Related to Platyhelminthes
Abstract Dicyemid mesozoans are endoparasites, or endosymbionts, found only in the renal sac of benthic cephalopod molluscs. The body organization of dicyemids is very simple, consisting of usuallyExpand
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Seasonal Development of Gonads of the Hagfish, Eptatretus burgeri, Correlated with Their Seasonal Migration
Abstract Seasonal development of gonads was studied in the hagfish, Eptatretus burgeri, caught near the Misaki Marine Biological Station facing the Sagami Bay of the Pacific coast of Japan, duringExpand
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Reproductive traits in dicyemids
Several characters involved in the life cycle in dicyemids were examined to understand reproductive strategy and adaptations to cephalopod hosts. In most dicyemids distinctly small numbers of spermsExpand
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