Sea anemone
Neuromuscular Transmission in a Sea Anemone
... Neuromuscular transmission in a sea anemone Potentials could be recorded with an external suction electrode only from the upper margin of the column overlying the sphincter, the tentacle[r] ...
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Bacterial aggregates in the tentacles of the sea anemone Metridium senile
... the sea anemone Aiptasia ...This anemone inhabits subtropical regions of the Atlantic Ocean and does not inhabit colder ...the sea anemone Metridium ...
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N Acetylneuraminic Acid (NANA) Stimulates in situ cyclic AMP Production in Tentacles of Sea Anemone (Aiptasia pallida): Possible Role in Chemosensitization of Nematocyst Discharge
... as sea anemones, jellyfish, hydra and corals, employ complex secretory products, termed nematocysts, for such functions as prey capture, defense and ...of sea anemone tentacles is armed with these ...
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Effects of Ions on Nematocysts Isolated from Acontia of the Sea Anemone Calliactis Tricolor by Different Methods
... The percentage of nematocysts isolated from the acontia of the sea anemone, Calliactis tricolor, by different methods discharged 1 h following exposure to different test solutions Isolat[r] ...
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Mechanisms of tentacle morphogenesis in the sea anemone Nematostella vectensis
... cnidarian sea anemone Nematostella vectensis (Collins et ...(including sea anemones and corals) and the medusazoans (jellyfish and Hydra species) (Collins et ...
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PaxA, but not PaxC, is required for cnidocyte development in the sea anemone Nematostella vectensis
... genes in Hydra [20] and was reported to be expressed in the ectodermal tissue of the tentacles and body wall of the sea anemone M. senile [60]. This enzyme appears to have evolved before the origin of ...
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New record of the sea anemone Kadosactis antarctica (Carlgren, 1928): re-description of an Antarctic deep-sea sea anemone, and a discussion of its generic and familial placement
... Abstract Sagartiogeton antarcticus Carlgren, 1928 is an Antarctic deep-sea species of sea anemone only known from its holotype. The species has been assigned to the genera Sagartiogeton and ...
9
Muscular and Hydrostatic Action in the Sea Anemone Metridium Senile (L )
... But the pressure in the coelenteron is a measure of the tension in the body wall, and comparison of the pressures set up during natural contractions with those set up during isometric co[r] ...
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Diffusion of Oxygen through the Mesogloea of the Sea Anemone Calliactis Parasitica
... By placing fully aerated water in both sides, the fall in concentration in the right half-cell due to consumption by the electrode and possibly by the mesogloea could be measured and sub[r] ...
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Nervous control of light responses in the sea anemone, Calamactis praelongus
... Sweeps triggered by first N N P in both cases, c Circular muscle contraction in response to electrically evoked NNP's E in attached strip of tissue, d Parietal muscle response to electri[r] ...
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Control of the Pacemaker System of the Nervenet in the Sea Anemone Calliactis Parasitica
... • Intervals in a burst where SS 2 was stimulated during the 3rd interval; O, D intervals during preceding and following bursts, b Effect of several spontaneous SS 2 pulses on nerve-net p[r] ...
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Expansion and Contraction of the Oral Disc in the Sea Anemone Tealia Felina
... This suggests that the nerve-net pulse is not a small muscle action potential associated with a small contraction of the ectodermal longitudinal muscles of the tentacle but is activity r[r] ...
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The Behaviour and Neuromuscular System of Gonactinia Prolifera, A Swimming Sea Anemone
... Circular contractions usually succeed contractions of other muscles, as for example: in the column, after shortening of retractors and perhaps parietobasilars or parietals if present; in[r] ...
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Control of Preparatory Feeding Behaviour in the Sea Anemone Tealia Felina
... This relaxation response has the appearance of being preparatory feeding behaviour, increasing the chances of contacting nearby food, and has been termed the pre-feeding response to dist[r] ...
10
Two Slow Conduction Systems in the Sea Anemone Calliactis Parasitica
... SSi activity is recorded by electrodes on any part of the ectoderm tentacles, oral disk, column and pedal disk following electrical stimulation of any ectodermal region.. The SPi is larg[r] ...
9
The Swimming Response of the Sea Anemone Stomphia Coccinea to Electrical Stimulation
... Further increases in voltage produced swimming responses in these other animals but in two cases the voltage required to produce full swimming activity was three times the threshold for [r] ...
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Neuromuscular Activity in the Swimming Sea Anemone, Stomphia Coccinea (Müller)
... Responses of circular muscles of the column and the longitudinal retractor muscles, a, Elongation due to local contraction of a ring of circular muscle under the stimulating electrodes e[r] ...
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Physiological Mechanism of Nematocyst Responses in Sea Anemone
... sea water or M/2 NaCl solution diluted with isotonic glycerine so as to contain Cl~ in a concentration sufficient to suppress extrusion, but insufficient to evoke explosion of isolated c[r] ...
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Chemical Recognition and Nematocyte Excitation in a Sea Anemone
... Responses graded as o none, 1 poor, or 2 strong; rods presented either by touch method or by strike method for precise definitions of grades of response and of rod presentation technique[r] ...
10
Systems That Control the Burrowing Behaviour of a Sea Anemone
... When NNPs were evoked at the 5- to 6-s intervals characteristic of startle bursts there were contractions of the ruff, oral disc and upper column that resembled those seen in antiperista[r] ...
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