Results 91 to 100 of about 170 (122)

Intraspecific Variations of Bioluminescence in a Polychromatic Population OfAmphipholis Squamata(Echinodermata: Ophiuroidea)

Journal of the Marine Biological Association of the United Kingdom, 1997
Six colour varieties were recognized in an intertidal population ofAmphipholis squamatafrom Normandy (France). Each variety exhibits its own capacity to produce light, the light emitted by the most luminous variety being 500 times more intense than that emitted by the least luminous one.
Deheyn, Dimitri, Mallefet, Jérôme, Jangoux, Michel   +2 more
openaire   +2 more sources

Occurrence of specialized papillae on the tube-feet of the ophiuroid Amphipholis squamata

2020
exaly   +2 more sources

[Turning over in the ophiuroid Amphipholis kochii].

Zhurnal evoliutsionnoi biokhimii i fiziologii, 1977
The reaction of turning over in the ophiuroid A. kochii Lütken begins when the ambulacral legs are detached from the substrate. At the bottom, when aboral side of the animal touches the substrate, turning over begins with oral flexion of three arms. In water, turning over begins with aboral flexion of all the arms.
Iu I, Arashavskiĭ, S M, Kashin, N M, Litvinova, G N, Orlovskiĭ, A G, Fel'dman   +4 more
openaire   +1 more source

Modulatory effects of some amino acids and neuropeptides on luminescence in the brittlestar Amphipholis squamata

Journal of Experimental Biology, 1999
ABSTRACT Amphipholis squamata is a polychromatic luminescent ophiuroid. The effects of amino acids ( γ-aminobutyric acid, GABA, taurine, glycine and glutamate), N-methyl-D-aspartate (NMDA) and the invertebrate neuropeptides Antho-RFamide, FMRFamide and SALMFamides S1 and S2 were tested on acetylcholine-induced luminescence from isolated ...
, Bremaeker, , Baguet, , Thorndyke, , Mallefet   +3 more
openaire   +2 more sources

Microscopic Anatomy of the Digestive System in Normal and Regenerating Specimens of the Brittlestar Amphipholis kochii

The Biological Bulletin, 2010
The morphology and regeneration of the digestive system of the ophiuroid Amphipholis kochii were investigated. The epithelia of the esophagus and stomach of A. kochii were composed of typical enterocytes and mucous cells. The digestive epithelium of the stomach contained two types of granular secretory cells.
Lidia T, Frolova, Igor Yu, Dolmatov
openaire   +2 more sources

Ultrastructural Peculiarities of the Embryogenesis of the Brittle Star Amphipholis kochii (Lutken, 1972)

Russian Journal of Marine Biology, 2005
This paper addresses morphogenetic processes and cell differentiation during embryogenesis of the brittle star Amphipholis kochii at the ultrastructural level. The radial cleavage is not strictly determined. Embryos are covered with a thick hyaline envelope and contain numerous yolk granules and small lipid drops.
L. A. Gliznutsa, S. Sh. Dautov
openaire   +1 more source

Aspects of the biology of a population of the cosmopolitan brittlestarAmphipholis squamata(Echinodermata) from the Firth of Forth, Scotland

Journal of Natural History, 1989
M B Jones
exaly  

A member of the Roseobacter clade, Octadecabacter sp., is the dominant symbiont in the brittle star Amphipholis squamata

FEMS Microbiology Ecology, 2018
Michael Lesser, M Sabrina Pankey, Kathleen M Morrow   +2 more
exaly  

Regeneration of the epithelial lining of the stomach after autotomy of a disk in the brittle star Amphipholis kochii (Lütken) (Echinodermata: Ophiuroidea)

Russian Journal of Marine Biology, 2006
Dolmatov I Yu, I Yu Dolmatov
exaly  

The digestive system of the ophiuroid Amphipholis kochii

2009
L Frolova, I Dolmatov
openaire   +1 more source