Metasomatism
(Met`a*so"ma*tism) n. [Pref. meta- + Gr. body.] (Geol.) An alteration in a mineral or
rock mass when involving a chemical change of the substance, as of chrysolite to serpentine; — opposed
to ordinary metamorphism, as implying simply a recrystallization. — Met`a*so*mat"ic a.
Metasome
(Met"a*some) n. [Pref. meta- + -some body.] (Zoöl.) One of the component segments of
the body of an animal.
Metastannate
(Met`a*stan"nate) n. (Chem.) A salt of metastannic acid.
Metastannic
(Met`a*stan"nic) a. (Chem.) Pertaining to, or designating, a compound of tin (metastannic
acid), obtained, as an isomeric modification of stannic acid, in the form of a white amorphous
substance.
Metastasis
(Me*tas"ta*sis) n.; pl. Metastases [L., transition, fr. Gr. fr. to place in another way; after +
to place.]
1. (Theol.) A spiritual change, as during baptism.
2. (Med.) A change in the location of a disease, as from one part to another. Dunglison.
3. (Physiol.) The act or process by which matter is taken up by cells or tissues and is transformed into
other matter; in plants, the act or process by which are produced all of those chemical changes in the
constituents of the plant which are not accompanied by a production of organic matter; metabolism.
Metastatic
(Met`a*stat"ic) a. Of, pertaining to, or caused by, metastasis; as, a metastatic abscess; the
metastatic processes of growth.
Metasternal
(Met`a*ster"nal) a. Of or pertaining to the metasternum.
Metasternum
(||Met`a*ster"num) n. [Pref. meta- + sternum.]
1. (Anat.) The most posterior element of the sternum; the ensiform process; xiphisternum.
2. (Zoöl.) The ventral plate of the third or last segment of the thorax of insects.
Metastoma
(||Me*tas"to*ma Met"a*stome) n. [NL. metastoma, from Gr. meta` behind + sto`ma mouth.]
(Zoöl.) A median elevation behind the mouth in the arthropods.
Metatarsal
(Met`a*tar"sal) a. (Anat.) Of or pertaining to the metatarsus. — n. A metatarsal bone.
Metatarse
(Met"a*tarse) n. (Anat.) Metatarsus.
Metatarsus
(Met`a*tar"sus) n.; pl. Metatarsi [NL. See Meta-, and Tarsus.] (Anat.) That part of the
skeleton of the hind or lower limb between the tarsus and phalanges; metatarse. It consists, in the human
foot, of five bones. See Illustration in Appendix.
