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Ultrastructure of cephalopod chromatophore organs
SummaryThe chromatophore organs of Loligo opalescens are composed of five different types of cells: the chromatophore proper; radial muscle fibers; neuronal processes (axons); glial cells; andExpand
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Chromatophore Organs, Reflector Cells, Iridocytes and Leucophores in Cephalopods
The chromatophore organs of Lohgo are each composed of five types of cells: a central pigment cell: radially arranged, obliquely striated muscle fibers: neuronal processes; glial cells: and anExpand
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Patterns of morphogenesis mediated by dynamic microvilli: Chaetogenesis in Nereis vexillosa
SummaryThe pattern of morphogenesis of the chitinous compound (jointed) setae of the larvae of polychaete Nereis vexillosa Grube was deduced from electron-microscopic analyses of many stages ofExpand
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Brachiopod tentacles: Ultrastructure and functional significance of the connective tissue and myoepithelial cells in Terebratalia
SummaryThe fine structure of the tentacles of the articulate brachiopod Terebratalia transversa has been studied by light and electron microscopy. The epidermis consists of a simple epithelium thatExpand
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The ultrastructure of venom‐producing cells in Paranemertes peregrina (Nemertea, Hoplonemertea)
The nemertean Paranemertes peregrina uses its long, eversible proboscis to capture nereid polychaetes. During prey capture, the glandular epithelium of the everted proboscis secretes a sticky venomExpand
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Larval adhesive organs and metamorphosis in ascidians
  • R. A. Cloney
  • Biology, Medicine
  • Cell and Tissue Research
  • 1 September 1979
SummaryThe cup-shaped adhesive papillae of Distaplia occidentalis evert at the onset of metamorphosis and each transforms into a hyperboloidal configuration. The rate of transformation is a functionExpand
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Cytoplasmic filaments and cell movements: epidermal cells during ascidian metamorphosis.
  • R. A. Cloney
  • Biology, Medicine
  • Journal of ultrastructure research
  • 1 February 1966
During metamorphosis the caudal epidermis of the ascidians Amaroucium constellatum and Distaplia occidentalis becomes contractile. The dynamics of contraction were correlated with changes in theExpand
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Fine structure and differentiation of ascidian muscle. I. Differentiated caudal musculature of Distaplia occidentalis tadpoles
The structure of the caudal muscle in the tadpole larva of the compound ascidian Distaplia occidentalis has been investigated with light and electron microscopy. The two muscle bands are composed ofExpand
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The ovary of Stichopus californicus consists of several size classes of tubules, which insert into a central gonad basis. The largest tubules contain the oocytes that will be spawned in the currentExpand
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Reflector cells in the skin of Octopus dofleini
SummaryThe cells that form the reflecting layer beneath the chromatophore organs of the octopus are conspicuous elements of its dermal chromatic system. Each flattened, ellipsoidal reflector cell inExpand
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