(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.
Growth
Definition:
(n.) The process of growing; the gradual increase of an animal or a vegetable body; the development from a seed, germ, or root, to full size or maturity; increase in size, number, frequency, strength, etc.; augmentation; advancement; production; prevalence or influence; as, the growth of trade; the growth of power; the growth of intemperance. Idle weeds are fast in growth.
(n.) That which has grown or is growing; anything produced; product; consequence; effect; result.
Example Sentences:
(1) The effect of insulin-like growth factor I (IGF-I) on growth of small cell lung cancer (SCLC) cell lines was studied.
(2) Anesthesiology residency programs experienced unprecedented growth from 1980 to 1986.
(3) Models able to describe the events of cellular growth and division and the dynamics of cell populations are useful for the understanding of functional control mechanisms and for the theoretical support for automated analysis of flow cytometric data and of cell volume distributions.
(4) Manometric studies with resting cells obtained by growth on each of these sulfur sources yielded net oxygen uptake for all substrates except sulfite and dithionate.
(5) The data suggest that major differences may exist between ruminants and non-ruminants in the response of liver metabolism both to lactation per se and to the effects of growth hormone and insulin.
(6) dl-Methionine stimulated the synthesis of cephalosporins when added after the growth phase.
(7) In addition to their involvement in thrombosis, activated platelets release growth factors, most notably a platelet-derived growth factor (PDGF) which may be the principal mediator of smooth muscle cell migration from the media into the intima and of smooth muscle cell proliferation in the intima as well as of vasoconstriction.
(8) The specific activities of extracts from cells grown under phototrophic and aerobic conditions were similar and not affected by the concentration of iron in the growth media.
(9) Microelectrodes were used to measure the oxygen tension (PO2) profile within individual spheroids at different stages of growth.
(10) It was the purpose of the present study to describe the normal pattern of the growth sites of the nasal septum according to age and sex by histological and microradiographical examination of human autopsy material.
(11) Bradykinin also stimulated arachidonic acid release in decidual fibroblasts, an effect which was potentiated in the presence of epidermal growth factor (EGF), but which was not accompanied by an increase in PGF2 alpha production.
(12) Today’s figures tell us little about the timing of the first increase in interest rates, which will depend on bigger picture news on domestic growth, pay trends and perceived downside risks in the global economy,” he said.
(13) Maximal yields of lipid and aflatoxin were obtained with 30% glucose, whereas mold growth, expressed as dry weight, was maximal when the medium contained 10% glucose.
(14) The 40 degrees C heating induced an increase in systolic, diastolic, average and pulse pressure at rectal temperature raised to 40 degrees C. Further growth of the body temperature was accompanied by a decrease in the above parameters.
(15) Recent studies have shown that an aberration in platelet-derived growth factor gene expression is unlikely to be a factor in proliferation of smooth-muscle cells.
(16) The cotransfected cells do not grow in soft agar, but show enhanced soft agar growth relative to controls in the presence of added aFGF and heparin.
(17) Epidermal growth factor reduced plating efficiency by about 50% for A431 cells in different cell cycle phases whereas a slight increase in plating efficiency was seen for SiHa cells.
(18) Thus, B cells that grow spontaneously from the peripheral blood of SS patients spontaneously produce a B-cell growth factor.
(19) During capillary growth when endothelial cells (EC) undergo extensive proliferation and migration and pericytes are scarce, hyaluronic acid (HA) levels are elevated.
(20) This paper has considered the effects and potential application of PFCs, their emulsions and emulsion components for regulating growth and metabolic functions of microbial, animal and plant cells in culture.