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FREE-SWIMMING LARVA [7 records]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2021-05-31

English

Subject field(s)
  • Morphology and General Physiology
  • Zoology
  • Marine Biology
DEF

[An immature form] of an aquatic animal that is not attached and is able to swim about [in the water column].

OBS

free-swimming larvae; free swimming larvae; swimming larvae: plural forms.

OBS

free-swimming larva; free swimming larva; swimming larva : designations usually used in the plural.

Key term(s)
  • free-swimming larvae
  • swimming larvae

French

Domaine(s)
  • Morphologie et physiologie générale
  • Zoologie
  • Biologie marine
DEF

[Forme immature] d'un animal aquatique, capable de nager [librement dans la colonne d'eau].

OBS

larve nageante; larve nageuse : désignations habituellement utilisées au pluriel.

Key term(s)
  • larves nageuses
  • larves nageantes

Spanish

Save record 1

Record 2 2020-09-30

English

Subject field(s)
  • Embryology
  • Mollusks, Echinoderms and Prochordates
CONT

Once fertilized, the egg begins to divide and within several hours … an oyster embryo is formed. … From between the shell protrudes a disk or velum which is covered with cilia and provides the veliger larva … When the veliger larva is approximately one third of a millimeter long, it is ready to end its free-swimming stage and set. In this process, it settles onto a firm, clean surface such as a rock, shell, [or] stake...

French

Domaine(s)
  • Embryologie
  • Mollusques, échinodermes et procordés

Spanish

Save record 2

Record 3 2006-09-18

English

Subject field(s)
  • Animal Biology
  • Mollusks, Echinoderms and Prochordates
DEF

A free-swimming larva characteristic of various aquatic invertebrates(as molluscs) in typical cases having a bilaterally symmetrical ovoid or pyriform body with an equatorial preoral circlet of cilia, a mouth and an anal opening.

French

Domaine(s)
  • Biologie animale
  • Mollusques, échinodermes et procordés
DEF

Larve nageuse de petite taille de nombreux groupes d'invertébrés aquatiques, caractérisée par deux couronnes ciliées, une bouche latérale, un anus distal.

Spanish

Campo(s) temático(s)
  • Biología animal
  • Moluscos, equinodermos y procordados
Save record 3

Record 4 2003-11-26

English

Subject field(s)
  • Microbiology and Parasitology
  • Worms and Related Organisms
OBS

The free-swimming ciliated larva of the liver fluke.

French

Domaine(s)
  • Microbiologie et parasitologie
  • Vers et organismes apparentés
OBS

Plathelminthes.

OBS

Un des stades de développement de la douve du foie.

Spanish

Campo(s) temático(s)
  • Microbiología y parasitología
  • Gusanos y organismos semejantes
Save record 4

Record 5 1996-10-15

English

Subject field(s)
  • Worms and Related Organisms
DEF

A class of Annelida or in former classifications an order of Chaetopoda that comprises chiefly marine annelid worms usually having paired setate appendages on most segments, a differentiated head with eyes, tactile processes and bristles, and chitinous jaws and being distinguished from the related oligochaete worms by possession of separate sexes and by a complex life history with a free-swimming trochophore larva

French

Domaine(s)
  • Vers et organismes apparentés
DEF

Classe d'annélides marines à nombreuses soies latérales, comprenant notamment la néréide, l'arénicole.

Spanish

Save record 5

Record 6 1985-05-16

English

Subject field(s)
  • Paleontology
CONT

More characteristic of marine gastropods is a free-swimming larval type called a veliger. The veliger larva is derived from a trochophore [larva] but represents a more complex form of development.... The characteristic feature of the veliger is the swimming organ, called a velum, which consists of two large semicircular lobes bearing long cilia.

French

Domaine(s)
  • Paléontologie
OBS

On sait que la larve des Gastéropodes est une trochophore très comparable à celle des Annélides (...) ou légèrement transformée en larve Véligère (...)

Spanish

Save record 6

Record 7 1977-08-19

English

Subject field(s)
  • Paleontology
OBS

[It is the] first-formed zooid of a [bryozoan] colony, derived by metamorphosis of a free-swimming larva.

French

Domaine(s)
  • Paléontologie
OBS

[Il s'agit de la] première cellule (dérivant de la larve) chez les [Bryozoaires] Cheilostomes.

Spanish

Save record 7

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