MATRIX

(Lat.), n. f. MaaWma3t)'riax. Gen., mat'ricis. From mater, a mother. Fr., matrice. Ger., Gebarmutter (1st. def.), Zwischensubstanz (2d def.). It., matrice. Sp., matriz. 1. An old name for the uterus. 2. A ti ue or organ containing and determining the form or growth of another structure. 3. Intercellular substance when great in amount as compared with the cellular elements. [J; L, 50, 843.] See Ground SUBSTANCE (1st def.) and CYTOBLASTEMA. and cf. CeM-CEMKNT. M. of connective ti ue. Its intercellular substance. |C.] M. of a hair. Lat.. m. pili. Fr., matrice de noil. See Hair FOLLICLE. M. of a tooth. Lat., m. dentiK. The homogeneous matter in a tooth which is impregnated with lime salts. [L.] M. of hon . A dense fibrous connective ti ue, yielding gelatin when Imiled, and. when impregnated with salts, constitufc-s bone. (L.] Cf. OSSKIN. M. of cartilage. The ground substance of cartilage. [L.] M. of hyaline curtilage. A hoinogc >ns or finely granular substance in which the cells are imbedded. It yields <! drin on being boiled. [C.] M. of the nail. Lat.. m. unau is. Fr., nmtricf ungueiile (ou de rongle). The corinm which underlies the root of the nail. [G.] M. of the vertebrm. A membranous column of cells formed;in.iind the notochc.rd from fluinner part of the jirotovertebral column previous to the cartilaginous differential ion of the JKTin.-inent vertelir-iiin the embryo. [A, 5.] M. pill. Sec- Hnir FOLLICLE. M. Mngula. See M. of the nail. Membranous m. E, he; E, ell; G, go; I, die; I, in; N, in; N*. tank; [s. 720]