SUBSTANCE

n. Su3b'st'ns. Gr., ovcria, vAj. Lat, subs tanti a (from substare, to be present). Fr., s. Ger., Substanz. 1. That of which anything is composed or of which it consists, [a, 48.] 2. In histology, a general term for ti ue, etc. [J.] Adamantine s. See ENAMEL. Adenoid s. See Adenoid TISSUE. Alible, That portion of the chyme that is destined for the nourishment of the body. [L, 42.] Alimentary s. An article of food in the crude form as supplied by Nature. [K, 14.] Basis-s. [Heitzmann]. 1. See Ground-s. (1st def.). 2. In connective ti ue, etc., the entire s., except protoplasmic bodies or cells. [J, 26.] Bony basis-s. See O eous basis-s. Cancellated (or cancellous) o eous s. See Spongy bone s. Cartilaginous basis-s. Of Heitzmann, chondrin. [J, 26.] Cell-s. See PROTOPLASM. Central gelatinous s. See SUBS TANTI A gelati nos a. Chondrogenous basis-s. See CHONDRIN. Cineritious s. See ALA cinerea and LAMINA cinerea. Compact o eous s. Ger., dichte Knochensubstanz. The more compact ti ue found in long bones and forming the superficial portion of flat or short bones. [L, 332.] Conglobate gland s. The adenoid ti ue of conglobate glands. [J.] Connective s. See Connective TISSUE. Contractile s. 1. Any living s. or ti ue capable of contraction (e. g., undifferentiated protoplasm, muscular ti ue, cilia, etc.). [J.] 2. The contractile portion of a muscle fibre (t. e., that within the sarcolemma). [L, 332.] 3. See Dark DISC. Cork s. Cutin. [a, 35.] Cortical s. of a hair. The bundles of fibres cemented together which constitutes the larger portion of a hair. In colored hairs they contain pigment granules. [L.] Cortical s. of the kidney. The portion of the kidney immediately beneath its fibrous covering. It is of a light crimson-brown color and about two lines in thickne , sends numerous proce es (columns of Bertini) between the pyramids, and contains the Malpighian corpuscles and the terminals of the renal artery. [L.] Cortical s. of the suprarenal capsule. The s. forming the external and greater portion of the suprarenal capsule. It consists of a fibrous strorr.a containing column-like groups of polyedral cells. [L.] Fibrinoplastic s. Para globulin. [B.] Fibrous basis-s. Of Heitzmann. the fibrous or laminated s. of striated or fibrous connective ti ue, yielding glue or a glue-like body on being boiled. [J, 26.] Fused ganglion-cell s. See NEUROGLIA. Gelatinous central s. See SUBS TANTI A gelati nos a central is.Gelatinous ganglion-cell s. See NEUROGLIA. Gelatinous s. See SUBS TANTI A gelati nos a. Gelatinous s. of Rolando. See SUBS TANTI A gelati nos a Roland i. Germinal s. See Germ PLASMA. Ground s. Fr., s. intercellulaire. Ger., Grundsubstanz, Zwischensubstanz (1st def.), Kittsubstanz (1st def.). 1. The homogeneous s. or matrix in which the structural elements (cells and fibres) are imbedded, or which cements them together. Of. CC^-CEMENT. 2. The homogeneous hyaline material in the substance of cells in which is imbedded the network of protoplasm. [J.] See PLASM, ENCHYLEMA, and STROMA. Horny s. See Corneous TISSUE. Hyaline s. See CYTOBLASTEMA (1st def.). Hyaloid s. See CORPUS vitreum. Intercellular s. 1. See CYTOBLASTEMA (1st def.). 2. See Ground-s. (1st def.). Interflbrillar s. See ENCHYLEMA. Inter globular e. Of Czermak, the s. of dentin which appears to contain irregular cavities when a cro -section is dried in the air. It is most marked next the cementum. [J, 30, 35.] Intermediate s. See Ground-s. (1st def.) and Lateral DISC. Interstitial o eous s. O eous ti ue between the lamellae of bone. [L, 332.] Interstitial s. See ACHROMATIN, CYTOCHYLEMA, and ENCHYLEMA. Inter tub i i lar s. The homogeneous matrix of dentin in which the dentinal canals are situated. [L, 351.] Intervertebral s. A, ape; A, at; A, ah; A4, all; Ch, chin; Ch2, loch (Scottish); [s. 558]