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HOLOTHURIAN [6 records]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2016-02-11

English

Subject field(s)
  • Mollusks, Echinoderms and Prochordates
Universal entry(ies)
Holothurium
Latin
DEF

Any of a class (Holothuridae) of echinoderms having an elongate flexible tough muscular body.

French

Domaine(s)
  • Mollusques, échinodermes et procordés
Entrée(s) universelle(s)
Holothurium
Latin
DEF

Échinoderme allongé au tégument relativement mou, dont la symétrie bilatérale masque souvent la pentamérie.

OBS

biche de mer; biche-de-mer; bêche-de-mer; concombre de mer : termes courants pour nommer une holothurie.

Spanish

Save record 1

Record 2 2004-06-15

English

Subject field(s)
  • Paleontology
CONT

Sclerites are calcareous bodies of diverse shape and form. They are highly modified paedomorphic structures, comparable in the adult holothurian to the larval spicules of its presumably fully plated ancestors. Nevertheless, they are of functional as well as phyletic importance. Some sclerites serve to reinforce the body wall, preventing its collapse,... Curved rods surround the podia, overlapping to construct a flexible but semirigid appendage, and a sieve plate at the end of each tube foot supports its suction disk.... A holothurian may have a single kind of sclerite or none, but an association of several types is usual.

French

Domaine(s)
  • Paléontologie
CONT

[Un] tissu conjonctif sous-cuticulaire [...] [de la paroi du corps d'un Holothuride] contient le squelette resté à l'état embryonnaire sous forme de plaques éparses, les sclérites, lesquels présentent une variété de formes extraordinaire.

Spanish

Campo(s) temático(s)
  • Paleontología
DEF

Corpúsculo calcáreo dérmico, de forma variable, que constituye el esqueleto de las holoturias y es lo único que se suele conservar fósil de estos esquinodermos.

Save record 2

Record 3 2001-03-15

English

Subject field(s)
  • Paleontology
CONT

[A hook is a holothurian] sclerite in [the] form of [a] common hook used in angling;... [it has an] eye, [a] shank and [a] spear.

French

Domaine(s)
  • Paléontologie
OBS

[...] les sclérites en hameçon [...] n'existent que chez les Synaptides.

Spanish

Save record 3

Record 4 1977-09-22

English

Subject field(s)
  • Paleontology
OBS

[A wheel is a holothurian] Sclerite in [the] form of a vehicular wheel, with [a] hub(usually on [the] lower surface), spokes(typically flat), and [a] rim; [the] rim [is] usually recurved, commonly denticulate on [the] inner margin of [the] upper side; [the] central portion [is] perforate, with indented markings, or solid and smooth.

French

Domaine(s)
  • Paléontologie
OBS

Dans les sclérites en roues on distingue les sclérites rotiformes (...)

Spanish

Save record 4

Record 5 1977-09-22

English

Subject field(s)
  • Paleontology
OBS

[A disc is a] discoidal [holothurian] sclerite(typically imperforate).

French

Domaine(s)
  • Paléontologie
OBS

(...) les sclérites disciformes à zone centrale perforée et barrée d'une croix ou d'un X (...)

Spanish

Save record 5

Record 6 1977-09-22

English

Subject field(s)
  • Paleontology
OBS

[A turriform sclerite is a] Tower-like [holothurian sclerite]

French

Domaine(s)
  • Paléontologie
OBS

Les sclérites turriformes (...), comme beaucoup de sclérites en plaques, débutent ontogénétiquement par un croisillon (...)

Spanish

Save record 6

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