(n.) A turning or sliding piece which, by the shape of its periphery or face, or a groove in its surface, imparts variable or intermittent motion to, or receives such motion from, a rod, lever, or block brought into sliding or rolling contact with it.
(n.) A curved wedge, movable about an axis, used for forcing or clamping two pieces together.
(n.) A projecting part of a wheel or other moving piece so shaped as to give alternate or variable motion to another piece against which it acts.
(n.) A ridge or mound of earth.
(a.) Crooked.
Example Sentences:
(1) The combined results suggest that any possible heterogeneity in the L-CAM genes is not reflected in the size of either the mRNA or protein.
(2) The chick chorioallantoic membrane (CAM) model was used to study vascular effects of photodynamic therapy (PDT) and hyperthermia (HPT) and the synergism of these modalities.
(3) These studies indicate that at each site of induction during feather morphogenesis, a general pattern is repeated in which an epithelial structure linked by L-CAM is confronted with periodically propagating condensations of cells linked by N-CAM.
(4) By 3 d in the chick embryo, the first neurons detected by antibodies to Ng-CAM are located in the ventral neural tube; these precursors of motor neurons emit well-stained fibers to the periphery.
(5) CD-349 inhibited the [3H]CD-349 binding to CaM, at a concentration producing a 50% inhibition (IC50) of 2.4 microM, whereas the CaM antagonist, trifluoperazine hydrochloride (TFP), stimulated the [3H]CD-349 binding to CaM.
(6) Comparison of the native and derivatized wheat germ CaMs with native bovine testis CaM indicates that the concentrations of these proteins required for half-maximal stimulation of either erythrocyte membrane Ca2+-ATPase activity or cardiac sarcoplasmic reticulum phosphorylation are very similar.
(7) CAM, especially CD11c, were also detected in cytoplasmic granules by immunostaining in IL2-activated NK cells.
(8) compounds tested, chlordecone is a specific inhibitor of CaM-activated PDE.
(9) In situ hybridization in normal visual cortex revealed a complex sublaminar organization of GAD-expressing cells within layers IVC and VI and a distribution of CaM II kinase alpha-expressing cells that was greatest in layers II, III, IVB, and VI.
(10) We are describing two post-translational modifications; glycosylation and glypiation; which affect the neural cell adhesive molecule (N-CAM).
(11) These results show that mitogenic activation of human fibroblasts leads to the binding of Ca2+ to CaM and the subsequent activation of CaM-dependent processes.
(12) Conversion of S180 cells to a communication-competent phenotype by transfection with a cDNA encoding the cell-cell adhesion molecule L-CAM induced phosphorylation of connexin43 to the P2 form; conversely, blocking junctional communication in ordinarily communication-competent cells inhibited connexin43-P2 formation.
(13) The responsiveness of test tissue to low versus high androgen levels was evaluated in this CAM assay using both cellular morphology and mitotic index as response criteria.
(14) Immunoblot together with immunoprecipitation experiments with cell lines or tissue extracts showed that N-CAM are the major glycoproteins bearing such polysialosyl units.
(15) The fluorescent dihydropyridine calcium antagonist drug felodipine binds to calmodulin (CaM) in a Ca2+-dependent manner.
(16) However, whereas a critical value of N-CAM expression is required for increased neurite outgrowth, with small increases above this value having substantial effects, N-cadherin promotes neurite outgrowth in a highly linear manner.
(17) These results provide structural and functional evidence that CaM and CDP-I act synergistically in the regulated proteolysis of fodrin.
(18) In this study, we examined the modulation of cell surface expression of MHC antigens and the CAM intercellular adhesion molecule 1 (ICAM-1), lymphocyte function antigen 3 (LFA-3), and CD44 on human dermal microvascular endothelial cells (HDMEC) both grown in monolayers and differentiated into capillary-like structures on the basement membrane-like substrate matrigel.
(19) The second type of protein bound 125I-CaM only when the free Ca2+ concentration was below 1-2 microM and included polypeptides of 95 kDa (E95) and 105 kDa (E105).
(20) Day and night forms of phosphoenolpyruvate carboxylase (EC 4.1.1.31) (PEPC) were extracted from leaves of the CAM plants Kalanchoe daigremontiana, K. tubiflora and K. blossfeldiana previously fed with [32P] labelled phosphate solution.
Ram
Definition:
(n.) The male of the sheep and allied animals. In some parts of England a ram is called a tup.
(n.) Aries, the sign of the zodiac which the sun enters about the 21st of March.
(n.) The constellation Aries, which does not now, as formerly, occupy the sign of the same name.
(n.) An engine of war used for butting or battering.
(n.) In ancient warfare, a long beam suspended by slings in a framework, and used for battering the walls of cities; a battering-ram.
(n.) A heavy steel or iron beak attached to the prow of a steam war vessel for piercing or cutting down the vessel of an enemy; also, a vessel carrying such a beak.
(n.) A hydraulic ram. See under Hydraulic.
(n.) The weight which strikes the blow, in a pile driver, steam hammer, stamp mill, or the like.
(n.) The plunger of a hydraulic press.
(v. t.) To butt or strike against; to drive a ram against or through; to thrust or drive with violence; to force in; to drive together; to cram; as, to ram an enemy's vessel; to ram piles, cartridges, etc.
(v. t.) To fill or compact by pounding or driving.
Example Sentences:
(1) They broke in with a battering ram: an armoured vehicle known as a Bearcat.
(2) Intact rams exhibited GH secretory episodes of greater (P less than 0.01) amplitude than did castrated lambs.
(3) DES implantation increased the body weight of the ram by 10.4% and caused no significant change in total body water, body ash, or total muscle mass.
(4) The effect of scrotal mange (Chorioptes bovis) on semen quality was assessed in a flock of rams during an outbreak of chorioptic mange and in rams with experimentally induced chorioptic mange.
(5) Castrated rams did not show this increase, with or without supplementary testosterone.
(6) Additional evaluation of the recoverability of H ovis and A seminis from the preputial cavity of rams from birth to 1 year of age indicated that the isolation rate from rams and predominance of the organisms in the preputial cavity differed greatly over this age period.
(7) Four rams each were either hemicastrated (HC) or left intact (INT) and blood samples were collected over a 2-wk period.
(8) The infection probably affected all sex and age classes, but field surveys of live animals and mortality suggested that mature rams died disproportionately.
(9) The ability of melatonin to influence LH pulse frequency in entire and castrated rams indicated that an effect of melatonin on the hypothalamic pulse generator is independent of testicular steroids.
(10) In addition, there was a marginally significant (P less than 0.1) relationship between prolactin secretion in the castrate ram and the stage of testicular activity in the entire rams with elevated levels associated with regressed activity.
(11) The effect of alpha-chlorohydrin on the metabolism of glycolytic and tricarboxylate-cycle substrates by ram spermatozoa was investigated.
(12) In the present study the influence of the period of the light cycle on variation in testicular weight in the ram was investigated.
(13) The androgenized ewes showed poorer oestrous responses to each hormone although rams showed interest in the ewes.
(14) Ram biceps femoris weights at market were greater than those of wethers (P less than .05).
(15) The effect of naloxone administration on the LH-RH secretion in hypophyseal portal blood and LH secretion in peripheral blood was studied in four short term castrated rams (between 2 to 4 days after castration).
(16) In a trial with rams, application of polyethylene powder (PE) as a marker for determination of feed passage rate through the digestive tract and three methods of its determination in feed and feces were tested.
(17) Macrophages and various subtypes of lymphocytes were identified in the ram and the rat testis by using cytochemical and immunocytochemical techniques.
(18) The tail(s) of the epididymis was the most frequent site of lesion development in the mature rams (86.4%).
(19) The interactions of ram spermatozoa with exogenous liposomes of varying composition were studied, with the aim of examining the mechanisms by which some lipids protect against cold-induced damage during cryostorage.
(20) Who hasn’t moved house and chucked a load of old stuff just because they can’t face ramming it back into the Ikea chest of drawers?