TERMIUM Plus®

The Government of Canada’s terminology and linguistic data bank.

CHITON [5 records]

Record 1 2003-07-22

English

Subject field(s)
  • Paleontology
DEF

The upper exposed layer of the valves of chitons.

OBS

[The tegmentum is the] outer, usually softer and somewhat porous calcareous layer of a valve [of a Chiton shell), just below the periostracum ...

French

Domaine(s)
  • Paléontologie
CONT

La partie libre [de la plaque d’une coquille de Chiton] est formée de deux couches :[l']externe [s’appelle] tegmentum [...]

Spanish

Save record 1

Record 2 1977-06-25

English

Subject field(s)
  • Paleontology
OBS

[The] jugal area [is the] upper surface of a [chiton] valve immediately adjacent to the jugum, sculptured differently from the rest of the surface in some forms (...)

French

Domaine(s)
  • Paléontologie
OBS

Entre les deux lames suturales droite et gauche [chez un Chiton], se trouve une échancrure nommée sinus; dans le fond se trouve une lame striée ou "aire jugale".

Spanish

Save record 2

Record 3 1977-06-25

English

Subject field(s)
  • Paleontology
OBS

(The) jugal sinus (is a) depression or "bay" between (the) sutural laminae (of a chiton).

French

Domaine(s)
  • Paléontologie
OBS

Entre les deux lames suturales droite et gauche(chez un Chiton), se trouve une échancrure nommée "sinus"(...)

Spanish

Save record 3

Record 4 1977-06-24

English

Subject field(s)
  • Paleontology
OBS

[An insertion plate is a] narrow marginal extension of the articulamentum layer in the head and tail valves [of a Polyplacophora], and at the sides of the intermediate valves which project into the girdle (...). This structure is absent or nearly obsolete in lower groups of chitons.

French

Domaine(s)
  • Paléontologie
OBS

L'articulamentum [chez un Chiton] se prolonge en avant, formant une "lame d’insertion", dont le bord est simple ou divisé.

Spanish

Save record 4

Record 5 1977-06-24

English

Subject field(s)
  • Paleontology
OBS

[The term articulamentum was] formerly used to indicate the inner, usually hard, semiporcelaneous shell layer, generally projecting past the tegmentum on the sides and front of the valves [of Polyplacophora] to form the insertion plates and the insertion plates and the sutural laminae; [it has been] recently restricted to indicate the shell layer between [the] tegmentum and [the] hypostracum, called the articulamentum ("sensu stricto") and composed of several separate components of crystalline shell structure.

French

Domaine(s)
  • Paléontologie
OBS

La partie libre [de la plaque d’une coquille de Chiton] est formée de deux couches(...). [L'] interne [s’appelle] "articulamentum"(...)

Spanish

Save record 5

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