slovodefinícia
germ theory
(encz)
germ theory, n:
Germ theory
(gcide)
Germ \Germ\ (j[~e]rm), n. [F. germe, fr. L. germen, germinis,
sprout, but, germ. Cf. Germen, Germane.]
1. (Biol.) That which is to develop a new individual; as, the
germ of a fetus, of a plant or flower, and the like; the
earliest form under which an organism appears.
[1913 Webster]

In the entire process in which a new being
originates . . . two distinct classes of action
participate; namely, the act of generation by which
the germ is produced; and the act of development, by
which that germ is evolved into the complete
organism. --Carpenter.
[1913 Webster]

2. That from which anything springs; origin; first principle;
as, the germ of civil liberty.
[1913 Webster]

3. (Biol.) The germ cells, collectively, as distinguished
from the somatic cells, or soma. Germ is often used in
place of germinal to form phrases; as, germ area, germ
disc, germ membrane, germ nucleus, germ sac, etc.
[Webster 1913 Suppl.]

4. A microorganism, especially a disease-causing bacterium or
virus; -- used informally, as, the don't eat food that
falls on the floor, it may have germs on it.
[PJC]

Disease germ (Biol.), a name applied to certain tiny
bacterial organisms or their spores, such as {Anthrax
bacillus} and the Micrococcus of fowl cholera, which
have been demonstrated to be the cause of certain
diseases; same as germ[4]. See Germ theory (below).

Germ cell (Biol.), the germ, egg, spore, or cell from which
the plant or animal arises. At one time a part of the body
of the parent, it finally becomes detached, and by a
process of multiplication and growth gives rise to a mass
of cells, which ultimately form a new individual like the
parent. See Ovum.

Germ gland. (Anat.) See Gonad.

Germ stock (Zool.), a special process on which buds are
developed in certain animals. See Doliolum.

Germ theory (Biol.), the theory that living organisms can
be produced only by the evolution or development of living
germs or seeds. See Biogenesis, and Abiogenesis. As
applied to the origin of disease, the theory claims that
the zymotic diseases are due to the rapid development and
multiplication of various bacteria, the germs or spores of
which are either contained in the organism itself, or
transferred through the air or water. See {Fermentation
theory}.
[1913 Webster]
Germ theory
(gcide)
Germ theory \Germ theory\
1. (Biol.) The theory that living organisms can be produced
only by the development of living germs. Cf. Biogenesis,
Abiogenesis.
[Webster 1913 Suppl.]

2. (Med.) The theory which attributes contagious and
infectious diseases, suppurative lesions, etc., to the
agency of germs, i.e. pathogenic microorganisms. The
science of bacteriology was developed after this theory
had been established.
[Webster 1913 Suppl. +PJC]
germ theory
(wn)
germ theory
n 1: (medicine) the theory that all contagious diseases are
caused by microorganisms
podobné slovodefinícia
Germ theory
(gcide)
Germ \Germ\ (j[~e]rm), n. [F. germe, fr. L. germen, germinis,
sprout, but, germ. Cf. Germen, Germane.]
1. (Biol.) That which is to develop a new individual; as, the
germ of a fetus, of a plant or flower, and the like; the
earliest form under which an organism appears.
[1913 Webster]

In the entire process in which a new being
originates . . . two distinct classes of action
participate; namely, the act of generation by which
the germ is produced; and the act of development, by
which that germ is evolved into the complete
organism. --Carpenter.
[1913 Webster]

2. That from which anything springs; origin; first principle;
as, the germ of civil liberty.
[1913 Webster]

3. (Biol.) The germ cells, collectively, as distinguished
from the somatic cells, or soma. Germ is often used in
place of germinal to form phrases; as, germ area, germ
disc, germ membrane, germ nucleus, germ sac, etc.
[Webster 1913 Suppl.]

4. A microorganism, especially a disease-causing bacterium or
virus; -- used informally, as, the don't eat food that
falls on the floor, it may have germs on it.
[PJC]

Disease germ (Biol.), a name applied to certain tiny
bacterial organisms or their spores, such as {Anthrax
bacillus} and the Micrococcus of fowl cholera, which
have been demonstrated to be the cause of certain
diseases; same as germ[4]. See Germ theory (below).

Germ cell (Biol.), the germ, egg, spore, or cell from which
the plant or animal arises. At one time a part of the body
of the parent, it finally becomes detached, and by a
process of multiplication and growth gives rise to a mass
of cells, which ultimately form a new individual like the
parent. See Ovum.

Germ gland. (Anat.) See Gonad.

Germ stock (Zool.), a special process on which buds are
developed in certain animals. See Doliolum.

Germ theory (Biol.), the theory that living organisms can
be produced only by the evolution or development of living
germs or seeds. See Biogenesis, and Abiogenesis. As
applied to the origin of disease, the theory claims that
the zymotic diseases are due to the rapid development and
multiplication of various bacteria, the germs or spores of
which are either contained in the organism itself, or
transferred through the air or water. See {Fermentation
theory}.
[1913 Webster]Germ theory \Germ theory\
1. (Biol.) The theory that living organisms can be produced
only by the development of living germs. Cf. Biogenesis,
Abiogenesis.
[Webster 1913 Suppl.]

2. (Med.) The theory which attributes contagious and
infectious diseases, suppurative lesions, etc., to the
agency of germs, i.e. pathogenic microorganisms. The
science of bacteriology was developed after this theory
had been established.
[Webster 1913 Suppl. +PJC]

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