Definitions
from The Century Dictionary.
- noun A swimming-bell; the bell-shaped or discoidal natatory organ with which many hydrozoans are provided, and by means of which the hydrosome is propelled through the water.
from the GNU version of the Collaborative International Dictionary of English.
- noun The swimming bell or umbrella of a jellyfish of medusa.
- noun One of the zooids of certain Siphonophora, having somewhat the form, and the essential structure, of the bell of a jellyfish, and acting as a swimming organ.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun zoology The
swimming bell orumbrella of ajellyfish ormedusa . - noun zoology One of the
zooids of certainSiphonophora , having somewhat the form, and the essential structure, of the bell of a jellyfish, and acting as a swimming organ.
Etymologies
from Wiktionary, Creative Commons Attribution/Share-Alike License
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Examples
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In the discussion of conscious and unconscious mind, I called attention to the marginal bodies of the nectocalyx of the jelly-fish.
The Dawn of Reason or, Mental Traits in the Lower Animals James Weir 1881
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The nerve-ring is well supplied with epithelial and ganglionic nerve-cells; their function is wholly reflex and involuntary; they preside over the pulsing or swimming movements of the nectocalyx.
The Dawn of Reason or, Mental Traits in the Lower Animals James Weir 1881
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When a point in the nectocalyx is irritated with a point of a needle or by a vegetable or mineral irritant, the tip of the manubrium will turn toward, and endeavor to touch, the spot irritated.
The Dawn of Reason or, Mental Traits in the Lower Animals James Weir 1881
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When two or three minims of alcohol are dropped into a pint of water in which one of these creatures is swimming, the pulsing of the nectocalyx is notably increased in frequency and volume.
The Dawn of Reason or, Mental Traits in the Lower Animals James Weir 1881
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The pulsing of the nectocalyx occasions a flow of water into and out of the bell.
The Dawn of Reason or, Mental Traits in the Lower Animals James Weir 1881
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The nervous system of the nectocalyx is exceedingly sensitive, responding with remarkable quickness to stimulation.
The Dawn of Reason or, Mental Traits in the Lower Animals James Weir 1881
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"eyes" of, 5; manubrium or "handle" of, 5; sensitiveness of nervous system in, 5; pulsing of nectocalyx in, 5; intoxicated, 15; light sought by, 15; effect of the excision of the marginal bodies of, 52; conscious determination in, 52; effect of alcohol on, 219.
The Dawn of Reason or, Mental Traits in the Lower Animals James Weir 1881
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Romanes determined that the centres governing pulsation were located in the nerve-ring of the swimming-bell, and that each section of the nectocalyx had its individual nerve-centre. [
The Dawn of Reason or, Mental Traits in the Lower Animals James Weir 1881
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Its transparent, translucent nectocalyx, or swimming-bell, has a central nervous system which is localized on the margin of the bell, and which forms the so-called "nerve-ring" of Romanes. [
The Dawn of Reason or, Mental Traits in the Lower Animals James Weir 1881
hernesheir commented on the word nectocalyx
discoidal natatory organ
September 25, 2011
leaden commented on the word nectocalyx
Buying or selling?
September 26, 2011
leaden commented on the word nectocalyx
One might call it a slumbrously undulatating obumbrant umbraculiform manubriumless umbrella, but it’s best not to.
I also enjoy the CDC’s (probably now obsolete) use of the word person.
September 26, 2011