protoplasma - définition. Qu'est-ce que protoplasma
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Qu'est-ce (qui) est protoplasma - définition

PART OF CELL
Protoplasmic; Bioplasm

Bioplasm         
·noun A name suggested by Dr. Beale for the germinal matter supposed to be essential to the functions of all living beings; the material through which every form of life manifests itself; unaltered protoplasm.
bioplasm         
n.
Germinal matter.
Protoplasmic         
·adj Of or pertaining to the first formation of living bodies.
II. Protoplasmic ·adj Of or pertaining to protoplasm; consisting of, or resembling, protoplasm.

Wikipédia

Protoplasm

Protoplasm (; PL protoplasms) is the living part of a cell that is surrounded by a plasma membrane. It is a mixture of small molecules such as ions, monosaccharides, amino acid, and macromolecules such as proteins, polysaccharides, lipids, etc.

In some definitions, it is a general term for the cytoplasm (e.g., Mohl, 1846), but for others, it also includes the nucleoplasm (e.g., Strasburger, 1882). For Sharp (1921), "According to the older usage the extra-nuclear portion of the protoplast [the entire cell, excluding the cell wall] was called "protoplasm," but the nucleus also is composed of protoplasm, or living substance in its broader sense. The current consensus is to avoid this ambiguity by employing Strasburger's (1882) terms cytoplasm [coined by Kölliker (1863), originally as synonym for protoplasm] and nucleoplasm [term coined by van Beneden (1875), or karyoplasm, used by Flemming (1878)]." The cytoplasm definition of Strasburger excluded the plastids (Chromatoplasm).

Like the nucleus, whether to include the vacuole in the protoplasm concept is controversial.