(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?
Ras
Definition:
(n.) See 2d Reis.
Example Sentences:
(1) The effects of hormonal promotion of T24-ras oncogene-transfected rat embryo fibroblasts (REF) were compared to cotransformation of these cells with adenovirus E1A and ras.
(2) Large gender differences were found in the correlations between the RAS, CR, run frequency, and run duration with the personality, mood, and locus of control scores.
(3) Here we co-inject RB protein with c-myc, EJ-ras, c-fos or c-jun protein.
(4) These results suggest that a certain minimum level of expression of c-myc is required for the maintenance of ras transformation in NIH 3T3 cells.
(5) This is the first clear example of activation of the K-ras gene by ethylating agents in a rodent lung tumor system.
(6) A total of 28 cell lines were selected for Geneticin - resistance and inoculated into the footpads of syngeneic animals following co-transfection with pSV2neo and genomic DNA, or transfection with plasmid constructs containing neo and the activated Ha-ras oncogene.
(7) In the second study, CFA, TiterMax, Adjuvax and RAS were compared in rabbits, mice and goats.
(8) One week after initiation is 1-2 months before the appearance of benign papillomas that harbor activated Ha-ras oncogenes when the initiated mice are promoted with the tumor promoter phorbol 12-myristate 13-acetate.
(9) The other three oncogenes namely c-K-ras, c-H-ras and c-myc, were not detected in these two carcinomas or the non-cancerous liver tissue adjacent to the carcinomas.
(10) Thus, a4 and a2 alleles of the c-Ha-ras-1 may perhaps be viewed as genetic markers of predisposition to lung, ovarian and thyroid cancer, respectively, in combination with other clinical parameters.
(11) Additionally, the amount of mRNAs for preproenkephalin as well as for the cellular proto-oncogenes c-myc, c-fos and c-H-ras, which are thought to be mediators of intracellular signal transduction, was determined in hippocampus in these same animals.
(12) The degree of staining for ras 11 was significantly related to the grade of differentiation and increased from Dukes stage A to C. Strong staining for ras 11 predicted a significantly shorter recurrence-free interval (p less than 0.001).
(13) The effects of oxidant stress were studied in immortalised hamster (BHK-21) and rat (208F) cell lines before and after transformation to the malignant state with polyoma virus, or activated H-ras, respectively.
(14) Upon stimulation with NGF, the percentage of Ras.GTP increased to 24% after 2 min, and the high level of Ras.GTP was maintained for at least 16 h. On the other hand, the activation of Ras by FGF and IL-6 showed distinct kinetics; about 3-fold increase of Ras.GTP was detected at 10 min, and afterward, the level returned to the basal level within 60 min.
(15) Transfection with normal and activated C-H-ras oncogenes only led to increases in the IC50s of alkylating agents.
(16) These cell lines also overexpress the Ha-ras proto-oncogene.
(17) In one patient with gastric carcinoma a c-Ha-ras-1 overexpression was detected due to its amplification both in tumour tissues and in regional metastasis.
(18) Our study gives further evidence that erb B, myc, Ha-ras and fos proto-oncogenes are involved in the control of cell growth and in the process of rat hepatocarcinogenesis.
(19) The Wap-ras gene was stably introduced into the mouse germ line of five transgenic mice (one male and four females).
(20) These results suggest that ras, fos, mos, src, and erbB-2 use a common cellular pathway for transforming cells.