(n.) The act of giving form or shape to anything; a forming; a shaping.
(n.) The manner in which a thing is formed; structure; construction; conformation; form; as, the peculiar formation of the heart.
(n.) A substance formed or deposited.
(n.) Mineral deposits and rock masses designated with reference to their origin; as, the siliceous formation about geysers; alluvial formations; marine formations.
(n.) A group of beds of the same age or period; as, the Eocene formation.
(n.) The arrangement of a body of troops, as in a square, column, etc.
Example Sentences:
(1) Since fingernail creatinine (Ncr) reflects serum creatinine (Scr) at the time of nail formation, it has been suggested that Ncr level might represent that of Scr around 4 months previously.
(2) The influence of the various concepts for the induction of lateral structure formation in lipid membranes on integral functional units like ionophores is demonstrated by analysing the single channel current fluctuations of gramicidin in bimolecular lipid membranes.
(3) Because cystine in medium was converted rapidly to cysteine and cysteinyl-NAC in the presence of NAC and given that cysteine has a higher affinity for uptake by EC than cystine, we conclude that the enhanced uptake of radioactivity was in the form of cysteine and at least part of the stimulatory effect of NAC on EC glutathione was due to a formation of cysteine by a mixed disulfide reaction of NAC with cystine similar to that previously reported for Chinese hamster ovarian cells (R. D. Issels et al.
(4) The second amino acid residue influences not only the rate of reaction but also the extent of formation of the product of the Amadori rearrangement, the ketoamine.
(5) The purpose of these studies was to better understand the molecular basis of chromosome aberration formation after mitomycin C treatment.
(6) Together these observations suggest that cytotactin is an endogenous cell surface modulatory protein and provide a possible mechanism whereby cytotactin may contribute to pattern formation during development, regeneration, tumorigenesis, and wound healing.
(7) Past imaging techniques shown in the courtroom have made the conventional rules of evidence more difficult because of the different informational content and format required for presentation of these data.
(8) Electron spin resonance studies indicate the formation of two vanadyl complexes that are 1:1 in vanadyl and deferoxamine, but have two or three bound hydroxamate groups.
(9) When the eye was dissected into anterior uveal, scleral, and retinal complexes, prostaglandin D2 was formed in the highest degree in all the complexes, whereas prostaglandin E2 and F2 alpha formation was specific to given ocular regions.
(10) In the case presented, overdistension of a jejunostomy catheter balloon led to intestinal obstruction and pressure necrosis (of the small bowel), with subsequent abscess formation leading to death from septicemia.
(11) The disassembly of the synthetase complex is consistent with the structural model of a heterotypic multienzyme complex and suggests that the complex formation is due to the specific intermolecular interactions among the synthetases.
(12) Chloroquine induced large cytoplasmic vacuoles, whereas the other drugs (quinacrine, 4,4'-diethylaminoethoxyhexestrol, chlorphentermine, iprindole, 1-chloro-amitriptyline, clomipramine) caused formation of lamellated or crystalloid inclusions as usually seen in drug-induced lipidosis.
(13) Immunohistochemical observation of myoepithelial cells with monoclonal antibody from human mammalian cancer suggested that these cells play an important role in the process of glandular ducts formation.
(14) This value is about 30 times higher than the association constant for guanine-cytosine base pair formation under the same experimental conditions.
(15) Anti-human factor V IgG decreased this enhanced thrombin formation in the presence of platelets, indicating that factor V from platelets was playing an important role in thrombin formation.
(16) Aside from these characteristic findings of HCC, it was important to reveal the following features for the diagnosis of well differentiated type of small HCC: variable thickening or distortion of trabecular structure in association with nuclear crowding, acinar formation, selective cytoplasmic accumulation of Mallory bodies, nuclear abnormalities consisting of thickening of nucleolus, hepatic cords in close contact with bile ducts or blood vessels, and hepatocytes growing in a fibrous environment.
(17) Natural tubulin polymerization leads to the formation of hooks on microtubular structures.
(18) The reducing equivalents could be donated by formate or NADH through some segment of the membrane respiratory chain.
(19) This method, which permits a more rapid formation of anastomoses, has been used to form Roux-en-Y jejunojejunostomies without extensive complications in six patients.
(20) It was concluded that the spheno-occipital complex has a close relationship to the skeletal facial pattern and contributes to the facial formation.
Histogenesis
Definition:
(n.) The formation and development of organic tissues; histogeny; -- the opposite of histolysis.
(n.) Germ history of cells, and of the tissues composed of cells.
Example Sentences:
(1) From this proliferating layer, precursor cells migrate outwards to reach the developing neostriatum in a sequential fashion according to two gradients of histogenesis.
(2) The aim was to clarify the nature of their constituent cells, specifically the giant ganglion-like cells and spindle cells, and to discuss the implications for histogenesis.
(3) Several stages in its histogenesis may be discerned: I. focal necroses of hepatic cells associated with their invasion with lister Listeria; 2. appearance of cellular elements around the foci of necroses with subsequent formation of granulemas consisting mainly of leucocytes and lymphoid cells; 3. development of necrobiotic changes in the central areas of granulemas with concomitance of exudative processes; 4. organization of necrotic foci with subsequent scarring.
(4) The histogenesis and relationship between the histopathological findings and clinical behaviour of uterine BL were also discussed.
(5) Considering the tumour's late occurrence the histological peculiarities of the place of origin as one of the factors of possible histogenesis is stressed.
(6) While the histogenesis of these tumors remain uncertain, it is necessary to recognize that these aggressive neoplasms may occur primarily in the skin.
(7) The characteristic anatomical distribution of BL is quite unlike that of most follicle centre-cell lymphomas and should be considered in the search for its histogenesis.
(8) The histogenesis of the tumor is now considered to be epithelial in origin by ultrastructural and immunohistochemical methods.
(9) The ultrastructural features were correlated with the bronchial carcinoma cell heterogeneity and histogenesis.
(10) These observations show that L1 is not confined to the nervous system and that it may play a functional role in the histogenesis of the intestine in the adult animal.
(11) The histogenesis, clinical behavior, and treatment of extramammary Paget's disease are reviewed.
(12) Prognosis of mucoepidermoid carcinoma is bad, histogenesis controversial.
(13) Most human ovarian tumors are classified into one of several categories based on presumed histogenesis and direction of differentiation.
(14) Carcinoma of unknown histogenesis or primary site is an increasingly recognized syndrome regarded by most physicians as having a grim prognosis.
(15) Despite the prevailing uncertainty about histogenesis, combined therapy achieved an apparent cure in one of our cases.
(16) The histogenesis of the malignant cells is controversial with previous suggestions of an endothelial, epithelial or lymphoid origin.
(17) In spite of the deformations histogenesis as a whole as well as cytodifferentiation seems to be normal.
(18) Pathological and mucohistochemical analysis of both the cancer cells and the surrounding mucosal tissue showed that intestinal metaplasia of the mucosa, especially mucohistochemically incomplete type metaplasia seemed to have close relation with the histogenesis of the differentiated adenocarcinoma.
(19) The histogenesis of the thickening of the alveolar wall and the intraluminal lesions were noticed.
(20) The histogenesis of stromal cells in capillary hemangioblastoma has been the subject of debate.