Trachymedusa

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August undefined, 2024

Splet04. jan. 2024 · The trachymedusa, identified from megacore-collected specimens, was a common component of the epifauna in the sediment floored basins at 436–725 m … Splet19. jun. 2024 · Both, trachymedusa L. tetraphylla and leptomedusa Obelia spp. displayed abundances which surpassed, for instance, 1,000 ind. m-3 in two estuarine and productive areas in the central part of the study region (Río de la Plata and El Rincón). Our work improves the knowledge of hydromedusae in one of the ocean regions most poorly …

High Abundance of the Epibenthic Trachymedusa Ptychogastria polaris …

SpletIn Lake Mohasi, sexual reproduction takes place from mid-April to the beginning of September. In Lake Tanganyika it only begins at the end of May. This finding shows that, contrary to the marine Trachymedusa, most of the freshwater forms have a sessile sexual stage.The complete study of this sexual generation will be published elsewhere. Splet(D) Benthocodon hyalinus, a trachymedusa about 3 cm in diameter. (E) Cyanea capillata, a semaeostome scyphomedusa which can attain 1 m in diameter. (F) Carybdea alata, a cubomedusa up to 15 cm high. (G) Atolla wyvillei, a coronate scyphomedusa up to 25 cm diameter. (All photographs by L. P. Madin.) peripheral plot

Tesserogastria Beyer, 1958

SpletThe trachymedusa Ptychogastria polaris Allman, 1878 has been identified in seabed photographs from high-Arctic shelves and upper continental slopes off Northeast … Splet12. mar. 2024 · Naumov, D.V., 1971. Gydroidnye i stsifoidnye medusy iz Kurilo-Kamchatskogo zhelova. Hydromedusae and Scyphomedusae from the Kurile-Kamchatka … SpletThe ultrastructure of the radial neuromuscular system of the trachymedusa Liriope tetraphylla was examined to determine the morphological substrate underlying crumpling … peripheral population distribution

Trachymedusa definition of trachymedusa by Medical dictionary

Biodiversity and frequency of occurrence of jellyfish (cnidaria) in …

Cet ordre contient environ 50 espèces réparties entre environ 30 genres et 5 familles, dont les Rhopalonematidae qui sont, de loin, les plus diversifiées. Les Trachymeduses sont caractérisées par une cloche hémisphérique, voire plus haute que large et par l'absence totale de stade polype . La marge (périphérie de l'ombrelle) n'est pas lobée et la symétrie radiaire des canaux radiaux est le plus … SpletEnvironmental DNA (eDNA) metabarcoding may facilitate rapid and comprehensive biotic surveys in the profoundly oceanic, yet many insight of the resources and distribution of eDNA at the deep sea are still poorly comprehensible. With order to examine the influence in the water column on benthic donna surveys in fields targeted for deep-sea polymetallic … peripheral pooling of bloodSplet04. jan. 2024 · The trachymedusa, identified from megacore-collected specimens, was a common component of the epifauna in the sediment floored basins at 436–725 m … peripheral pooling of blood means

"SpletThe trachymedusa, identified from megacore-collected specimens, was a common component of the epifauna in the sediment floored basins at 436-725 m depths in Andvord and Flandres Bays, reaching densities up to 13 m-2, with mean densities in individual basins ranging from 0.06 to 4.19 m-2. These densities are 2 to 400-fold higher than previously ... " - Trachymedusa

Trachymedusa

Splet14. maj 2003 · A list of 169 medusae species in 45 families recorded in Mexican waters is presented for the first time. 86 species (50.8%) were found in the Pacific Ocean, 75 species (44.3%) in the Gulf of Mexico, and 88 (52%) in the Mexican Caribbean Sea. Only 17 species (10%) were common to the three regions. The superclass Hydrozoa, the most diverse … Splettrachymedusaの意味や使い方名詞trachymedusa (複数形 trachymedusae)Any cnidarian of the order Trachymedusae - 約1464万語ある英和辞典・和英辞典。発音・イディオムも分かる英語辞書。

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Splet07. mar. 2024 · Les tubes au néon tubes au néon jaunes de Rhopalonematid trachymedusa sont ses organes reproducteurs et la masse masse rougeâtre est son système digestif. SpletThe trachymedusa, identified from megacore-collected specimens, was a common component of the epifauna in the sediment floored basins at 436–725 m depths in …

Splet21. nov. 2024 · We provide a comprehensive atlas of the neuro-muscular organization in the hydrozoan medusa Aglantha digitale (Cnidaria), revealing unique systems of giant axons, … Splettrachyméduse, subst. fém. Hydrozoaire de l'ordre des Trachylides à tentacules marginaux pleins, qui se développe sans passer par le stade polype. Les Trachyméduses, de petite taille, mesurant au plus quelques centimètres de diamètre, sont hémisphériques ou aplaties en verre de montre.

Splet27. feb. 2024 · According to NOAA zoologist Allen Collins, this jelly is a rhopalonematid trachymedusa.These animals are primarily found in the deep ocean, and are identifiable … SpletTrachoma Definition Trachoma, which is also called granular conjunctivitis or Egyptian ophthalmia, is a contagious, chronic inflammation of the mucous membranes of the eyes, caused by Chlamydia trachomatis. It ischaracterized by swelling of the eyelids, sensitivity to light, and eventual scarring of the conjunctivae and corneas of the eyes. Description ...

SpletDefinição de trachyméduse no dicionário francês com exemplos de uso. Sinônimos e antônimos de trachyméduse e tradução de trachyméduse a 25 línguas.

Splet1. (Zool.) A division of acalephs in which the development is direct from the eggs, without a hydroid stage. Some of the species are parasitic on other medusæ. Webster's Revised … peripheral populationhttp://archive.nstl.gov.cn/Archives/browse.do?action=viewDetail&articleID=eae016822c1550d9&navig=9565bcbb40dbfbe9&navigator=category&flag=byWord&subjectCode=null&searchfrom=null peripheral poolingSplet06. dec. 2024 · For some groups, more specific sub-groups are represented in tandem. This is particularly true for the ‘siphonophore’ and ‘medusa general’ groups, which are also represented by calycophoran and physonect sub-groups, and trachymedusa, narcomedusa and scyphozoan sub-groups, respectively . This overlap occurs because all interactions … peripheral population distribution examplesSpletAbstract The trachymedusa Ptychogastria polaris Allman, 1878 has been identified in seabed photographs from high-Arctic shelves and upper continental slopes off Northeast Greenland and in the northern Barents Sea. It was found to be a common epifaunal element, being present at 34 of 57 stations in 40- to 495-m depth and at 7 of 11 stations in ... peripheral port 13b throttle bodySplet04. jan. 2024 · High Abundance of the Epibenthic Trachymedusa Ptychogastria polaris Allman, 1878 (Hydrozoa, Trachylina) in Subpolar Fjords along the West Antarctic Peninsula. ... peripheral population definitionSplet02. okt. 2003 · A new genus and species of sympagic trachymedusa, Glaciambulata neumayeri, are described based on material from Antarctica. Its generic features are … peripheral port 13b throttle body efiSpletThe trachymedusa Voragonema laciniata sp. nov. (known only from the single holotype) is characterised by the number and irregular shape of the centripetal canals. These findings are the first to report benthopelagic hydromedusae in deep Antarctic waters. Examination of several specimens of Benthocodon pedunculata (Bigelow 1913) leads us to move ... peripheral port na 13b tuning