カツオノエボシ属、フィサリア属、Physalia属
- 関
- Hydrozoa、hydrozoan
WordNet
- Portuguese man-of-war (同)genus Physalia
- coelenterates typically having alternation of generations; hydroid phase is usually colonial giving rise to the medusoid phase by budding: hydras and jellyfishes (同)class Hydrozoa
- colonial coelenterates having the polyp phase dominant (同)hydroid
Wikipedia preview
出典(authority):フリー百科事典『ウィキペディア(Wikipedia)』「2013/04/19 09:39:12」(JST)
[Wiki en表示]
Not to be confused with Physalis.
Physalia |
|
Physalia physalis |
Scientific classification |
Kingdom: |
Animalia |
Phylum: |
Cnidaria |
Class: |
Hydrozoa |
Order: |
Siphonophora |
Family: |
Physaliidae |
Genus: |
Physalia
Lamarck, 1801 [1] |
Species |
- Physalia physalis
- Physalia utriculus
|
Physalia is a genus of the order Siphonophora, colonies of four specialized polyps and medusoids that drift on the surface of the Atlantic, Indian and Pacific oceans. A gas-filled bladder resembling a blue bottle provides buoyancy, and long tentacles of venomous cnidocytes provide a means of capturing prey. A sail on the float, which may be left or right-handed, propels Physalia about the sea, often in groups. Individuals sometimes become stranded on beaches, where their toxic nematocysts can remain potent for weeks or months in moist conditions.
The species Physalia utriculus is given the common name Pacific man o' war to distinguish it from the more widely distributed and larger Physalia physalis, the Portuguese man o' war. The species are told apart by the size of the float (six inches compared to twelve) and by having a single versus several long fishing tentacles. No fatalities from envenomation are recorded for P. utriculus, in contrast to the larger species.[2]
The genus was first described by Jean-Baptiste Lamarck in 1801.[1]
Diversity
The family Physaliidae is monotypic, consisting of only one genus, Physalia. The genus contains only two species.
References
- ^ a b "Physalia Lamarck, 1801". Integrated Taxonomic Information System.
- ^ "Bluebottles and Pacific man-o-war". Stinging jellyfish in tropical Australia. CRC Reef Research Centre. November. 2004. Retrieved 2009-01-12.
UpToDate Contents
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English Journal
- The toxicity of potentially toxic elements (Cu, Fe, Mn, Zn and Ni) to the cnidarian Hydra attenuata at environmentally relevant concentrations.
- McKinley K, McLellan I, Gagné F, Quinn B.
- The Science of the total environment. 2019 May;665()848-854.
- The domestic, agricultural, industrial, technological and medical applications of potentially toxic elements (PTEs) have led to global pollution in all environments. In this study, the cnidarian Hydra attenuata was exposed individually and to a mixture of 5 metals (copper, iron, manganese, zinc and
- PMID 30790757
- Immunocytochemical localization of a putative strychnine-sensitive glycine receptor in Hydra vulgaris.
- Hufnagel LA, Pierobon P, Kass-Simon G.
- Cell and tissue research. 2019 Apr;().
- Previous biochemical studies have identified strychnine-sensitive glycine receptors in membrane preparations of Hydra vulgaris (Cnidaria: Hydrozoa). Electrophysiological and behavioral evidence has shown that these receptors play a role in modulating pacemaker activity and feeding behavior. Here, we
- PMID 30976918
- Catalyzing Neurophysiology: Jacques Loeb, the , and a Growing Network of Brain Scientists, 1900s-1930s.
- , S S, F F, F F, .
- Frontiers in neuroanatomy. 2019 ;13()32.
- Even before the completion of his medical studies at the universities of Berlin, Munich, and Strasburg, as well as his M.D.-graduation - in 1884 - under Friedrich Goltz (1834-1902), experimental biologist Jacques Loeb (1859-1924) became interested in degenerative and regenerative problems of brain a
- PMID 30936823
Japanese Journal
- Physalia nematocysts : utilized by mollusk for defense
Related Links
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- Physalia
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- ヒドロ虫綱、ヒドロ虫、Physalia属、フィサリア属
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- Hydrozoa、Physalia
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- hydrozoan、Physalia
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- カツオノエボシ属、Physalia属
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- Physalia
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- カツオノエボシ属、フィサリア属