(n.) A series of formative cells lying outside of the wood proper and inside of the inner bark. The growth of new wood takes place in the cambium, which is very soft.
(n.) A fancied nutritive juice, formerly supposed to originate in the blood, to repair losses of the system, and to promote its increase.
Example Sentences:
(1) The cells of the cambium layer are destroyed and the collagen of the fibrous layer undergoes depolymerization.
(2) By retaining the cortex, the cambium layer is preserved, and this is thought to have a better osteogenic capacity than vascularized periosteal grafts.
(3) Different stages of cellular development were identified in the botryoid sarcomas, with the most immature cells of the cambium layer devoid of external basement membrane around the tumor cells, although the stroma contained finely dispersed basement membrane material and some cells contained intracytoplasmic laminin or type IV collagen, indicative of the synthesis of these proteins.
(4) The maximal flavylogen concentrations were in the phloem and cambium from mature stems, where all three fractions were richly present.
(5) The specific activities and the activities per cell of these enzymes varied during differentiation of cambium to xylem according to the type polysaccharide synthesized.
(6) At the final stage of the differentiation of cambium to xylem there was a decrease in activity of the enzymes directly involved in producing the soluble precursors of pectin (DUP-D-galactose 4-epimerase and UDP-L-arabinose 4-epimerase and an increase in those producing the precursors of hemicellulose (UDP-D-glucose dehydrogenase and UDP-D-glucuronate decarboxylase).
(7) In 17 experiments the periosteum was wrapped around the grafts with the cambium layer facing the bone, and in seven experiments with the cambium layer facing the muscle.
(8) In 17 adolescent rabbits, a rectangular graft of periosteum was elevated from the medial aspect of each proximal tibia and folded back on itself so that its deep (cambium) layer was facing outward on both sides.
(9) The purpose of this study was to determine if the hyaline-like cartilage produced in major full-thickness defects of a joint surface, treated by a free periosteal graft and subjected to continuous passive motion (CPM), originated exclusively from the progenitor cells of the cambium of the graft.
(10) A graft of periosteum from the proximal tibia was wrapped around a disc of bone from the same area (cambium layer of the periosteum facing outward), then press-fitted into the defect.
(11) The cambium then regenerates along a path where the ratio of auxin to sucrose concentration is similar to that at the original cambium, and its orientation (as regards xylem and phloem formation) is determined by the direction of the gradient in this ratio.
(12) Heterotopically-induced bones are not covered by a periosteal membrane with a functioning cambium layer.
(13) Maintenance of integrity of the cambium layer of the periosteal graft is emphasized.
(14) A similar increase has been found for the ratios determined for xylem tissue compared with those for cambium.
(15) Apart from the superficial epithelium the lesions can be subdivided into a subepithelial myxoid-fibrous zone followed by a proliferative capillary fibroblastic cambium layer.
(16) The new bone was formed by the osteogenic cells of the cambium layer in both types of graft.
(17) The capillary fibroblastic cambium zone disappears and areas of hyalinization are enlarged.
(18) In Series 1 with the cambium layer of the periosteum facing the bone, after 20 weeks a tubular bone with Haversian system and bone marrow was seen.
(19) There was intense proliferation in the cells of the cambium layer of the periosteum, with differentiation to chondroblasts and osteoblasts, suggesting that this layer was the primary tissue responsible for development of the callus.
(20) Degranulating MCs conversely decreased near the cambium layer of the periosteum.
Root
Definition:
(v. i.) To turn up the earth with the snout, as swine.
(v. i.) Hence, to seek for favor or advancement by low arts or groveling servility; to fawn servilely.
(v. t.) To turn up or to dig out with the snout; as, the swine roots the earth.
(n.) The underground portion of a plant, whether a true root or a tuber, a bulb or rootstock, as in the potato, the onion, or the sweet flag.
(n.) The descending, and commonly branching, axis of a plant, increasing in length by growth at its extremity only, not divided into joints, leafless and without buds, and having for its offices to fix the plant in the earth, to supply it with moisture and soluble matters, and sometimes to serve as a reservoir of nutriment for future growth. A true root, however, may never reach the ground, but may be attached to a wall, etc., as in the ivy, or may hang loosely in the air, as in some epiphytic orchids.
(n.) An edible or esculent root, especially of such plants as produce a single root, as the beet, carrot, etc.; as, the root crop.
(n.) That which resembles a root in position or function, esp. as a source of nourishment or support; that from which anything proceeds as if by growth or development; as, the root of a tooth, a nail, a cancer, and the like.
(n.) An ancestor or progenitor; and hence, an early race; a stem.
(n.) A primitive form of speech; one of the earliest terms employed in language; a word from which other words are formed; a radix, or radical.
(n.) The cause or occasion by which anything is brought about; the source.
(n.) That factor of a quantity which when multiplied into itself will produce that quantity; thus, 3 is a root of 9, because 3 multiplied into itself produces 9; 3 is the cube root of 27.
(n.) The fundamental tone of any chord; the tone from whose harmonics, or overtones, a chord is composed.
(n.) The lowest place, position, or part.
(n.) The time which to reckon in making calculations.
(v. i.) To fix the root; to enter the earth, as roots; to take root and begin to grow.
(v. i.) To be firmly fixed; to be established.
(v. t.) To plant and fix deeply in the earth, or as in the earth; to implant firmly; hence, to make deep or radical; to establish; -- used chiefly in the participle; as, rooted trees or forests; rooted dislike.
(v. t.) To tear up by the root; to eradicate; to extirpate; -- with up, out, or away.
Example Sentences:
(1) After four years of existence, many evaluations were able to show the qualities of this system regarding root canal penetration, cleaning and shaping.
(2) The Bohr and Root effects are absent, although specific amino acid residues, considered responsible of most of these functions, are conserved in the sequence, thus posing new questions about the molecular basis of these mechanisms.
(3) Subdural tumors may be out of the cord (10 tumors), on the posterior roots (28 tumors), or within the cord.
(4) The method used in connection with the well known autoplastic reimplantation not only presents an alternative to the traditional apicoectomy but also provides additional stabilization of the tooth by lengthing the root with cocotostabile and biocompatible A1203 ceramic.
(5) But the roots of Ukip support in working-class areas are also cultural.
(6) The Ca2+ channel current recorded under identical conditions in rat dorsal root ganglion neurones was less sensitive to blockade by PCP (IC50, 90 microM).
(7) I am rooting hard for you.” Ronald Reagan simply told his former vice-president Bush: “Don’t let the turkeys get you down.” By 10.30am Michelle Obama and Melania Trump will join the outgoing and incoming presidents in a presidential limousine to drive to the Capitol.
(8) Two hundred and forty root canals of extracted single-rooted teeth were prepared to the same dimension, and Dentatus posts of equal size were cemented without screwing them into the dentine.
(9) We have characterized previously a model of herpes simplex virus (HSV) infection of rat dorsal root ganglia (DRG) following cutaneous infection.
(10) After 1 month, scaling and root planing had effected significant clinical improvement and significant shifts in the subgingival flora to a pattern more consistent with periodontal health; these changes were still evident at 3 months.
(11) The dispute is rooted in the recent erosion of many of the freedoms Egyptians won when they rose up against Mubarak in a stunning, 18-day uprising.
(12) So the government wants a “root and branch” review to decide whether the BBC has “been chasing mass ratings at the expense of its original public service brief” ( BBC faces ‘root and branch’ review of its size and remit , 13 July).
(13) Statistical diagnostic tests are used for the final evaluation of the method acceptability, specifically in deciding whether or not the systematic error indicated requires a root source search for its removal or is simply a calibration constant of the method.
(14) Three strains of fluorescent pseudomonads (IS-1, IS-2, and IS-3) isolated from potato underground stems with roots showed in vitro antibiosis against 30 strains of the ring rot bacterium Clavibacter michiganensis subsp.
(15) The ventral root dissection technique was used to obtain contractile and electromyogram (e.m.g.)
(16) No infection threads were found to penetrate either root hairs or the nodule cells.
(17) The roots of the incisor teeth should, if possible, be placed accurately in this zone and a method of achieving this is suggested.
(18) Terrorist groups need to be tackled at root, interdicting flows of weapons and finance, exposing the shallowness of their claims, channelling their followers into democratic politics.
(19) Rooting latency showed a significant additive maternal strain effect but little systematic effect of pup genotype.
(20) Dorsal root ganglion (DRG) neurons cultured from neonatal rats contained high concentrations of protein kinase C (PKC).