Sealife guideThe sea life glossaryOur glossaries
Last updated on 05/07/2026 at 10:15 PM
English
Description
French
M
Français
mantle
Définition
A layer of tissue in mollusks that secretes the shell and may form a cavity for respiration and excretion.
Anglais
manteau
Français
mesoderm
Définition
The middle layer of cells in an embryo, which gives rise to muscles, bones and the circulatory system.
Anglais
mésoderme
Français
mesoglea
Définition
The jelly-like, non-cellular middle layer of a sponge, located between the outer and inner cell layers.
Anglais
mésogelée
Français
metaphyte
Définition
A simple, primarily plant-like organism, often referring to algae or other non-vascular plants.
Anglais
métaphyte
Français
metazoan
Définition
A multicellular animal with differentiated tissues and organs.
Anglais
métazoaire
Français
Micronesia
Définition
A region of Oceania made up of small islands in the western Pacific Ocean, including the Federated States of Micronesia, Palau and the Marshall Islands.
Anglais
Micronésie (région)
Français
Micronesia
Définition
A country in the western Pacific ocean, officially called the Federated States of Micronesia, composed of over 600 small islands.
Anglais
Micronésie (pays) ou Etats Fédérés de Micronésie
Français
mysticetes
Définition
Baleen whales: large whales that filter-feed using baleen plates instead of teeth.
Anglais
mysticètes
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Labre mexicain
(Bodianus diplotaenia)
(Bodianus diplotaenia)
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