Marine Drugs | Free Full-Text | New Pyridyl and ... - MDPI
WEB22 mrt. 2024 · Extracts of several hoplonemertean species activate cholinergic synapses, such as the neuromuscular junction and autonomic ganglia. He postulated that these activities were due to the presence of a compound that he named “amphiporine” after Amphiporus lactifloreus (Al), the most thoroughly investigated species.
Amphiporus lactifloreus (Johnston, 1828) - GBIF
WEBOmmatoplea mandilla (Quatrefages, 1846) Ommatoplea mutabilis (Quatrefages, 1846) Homonyms. Amphiporus lactifloreus (Johnston, 1828) Common names. Helle Nemertine in German. Heller Schnurwurm in German. Milchweißer Schnurwurm in German. Orange slimbændel in Danish.
The Structure and Function of the Basement Membrane Muscle …
WEBLiving Amphiporus lactifloreus (Johnston), supplied by the Marine Biological Stations at Cullercoats and Plymouth, were used. The animals were usually anaesthetized in magnesium chloride sea-water before fixing. This process paralyses the contractile mechanism of the muscle-fibres and the animal takes up what I shall refer to as the …
Reproduction of Amphiporus lactifloreus (Hoplonemertini) on tidal flats ...
WEBThe reproductive period and life-history parameters were investigated for the hoplonemertineAmphiporus lactifloreus found on the tidal flats of the island of Sylt in the northern Wadden Sea. Every six weeks 20 individuals were collected and then histologically examined to determine the development stage of their reproductive organs.A. …
Marine Drugs | Free Full-Text | Investigation of the Possible ... - MDPI
WEB29 okt. 2019 · Three major forms of the nicotinic agonist toxin anabaseine (cyclic iminium, cyclic imine and the monocationic open-chain ammonium-ketone) co-exist in almost equal concentrations at physiological pH. We asked the question: Which of these forms is pharmacologically active? First, we investigated the pH dependence of anabaseine …
New Pyridyl and Dihydroisoquinoline Alkaloids Isolated from the …
WEB22 mrt. 2024 · Extracts of several hoplonemertean species activate cholinergic synapses, such as the neuromuscular junction and autonomic ganglia. He postulated that these activities were due to the presence of a compound that he named “amphiporine” after Amphiporus lactifloreus (Al), the most thoroughly investigated species.
The Toxins of Nemertean Worms - PMC - National Center for …
WEB15 feb. 2019 · Photography of a stylet from Amphiporus lactifloreus. Nemerteans that do not belong to the hoplonemerteans generally lack the stylet but they can still be very effective predators. Certain cells form papillous structures on the proboscis [ 20 , 21 ], releasing glandulous secretions that may contain both toxins and glue-like substances …
NDFF Verspreidingsatlas | Amphiporus lactifloreus
WEBVerspreiding en ecologie van Amphiporus lactifloreus. ANEMOON Verspreidingsatlas Wormen. Verspreidingsatlas
Fine structure of the cerebral organs in hoplonemerteans …
WEBThe fine structure of the cerebral organs is described in three species of monostiliferous hoplonemerteans. Amphiporus lactifloreus, Paranemertes peregrina and Tetrastemma candidum. There are two distinct groups of sensory cells in the cerebral organs of all three species. The ultrastructure of the sensory elements in these species is consistent with a …
Proteo-Transcriptomic Analysis Identifies Potential Novel Toxins ...
WEB1 aug. 2020 · study: Amphiporus lactifloreus (Figure 1). Hoplonemerteans probably use the proboscis tip to facilitate the injection of venom during fast strikes, leading to full paralysis within a few minutes [5].
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