(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?
Rat
Definition:
(n.) One of several species of small rodents of the genus Mus and allied genera, larger than mice, that infest houses, stores, and ships, especially the Norway, or brown, rat (M. decumanus), the black rat (M. rattus), and the roof rat (M. Alexandrinus). These were introduced into America from the Old World.
(n.) A round and tapering mass of hair, or similar material, used by women to support the puffs and rolls of their natural hair.
(n.) One who deserts his party or associates; hence, in the trades, one who works for lower wages than those prescribed by a trades union.
(v. i.) In English politics, to desert one's party from interested motives; to forsake one's associates for one's own advantage; in the trades, to work for less wages, or on other conditions, than those established by a trades union.
(v. i.) To catch or kill rats.
Example Sentences:
(1) All rats were examined in the conscious, unrestrained state 12 wk after induction of diabetes or acidified saline (pH 4.5) injection.
(2) It was tested for recovery and separation from other selenium moieties present in urine using both in vivo-labeled rat urine and human urine spiked with unlabeled TMSe.
(3) It is supposed that delta-sleep peptide along with other oligopeptides is one of the factors determining individual animal resistance to emotional stress, which is supported by significant delta-sleep peptide increase in hypothalamus in stable rats.
(4) The microsomal preparations from untreated Syrian golden hamster livers exhibited higher activities of N-demethylation towards the macrolide antibiotics, erythromycin and troleandomycin, than those from untreated and phenobarbital-treated rats.
(5) Phospholipid methylation in human EGMs is distinctly different from that in rat EGMs (Hirata and Axelrod 1980) in that the human activity is not Mg++-dependent, and apparent methyltransferase I activity is located in the external membrane surface.
(6) Biochemical, immunocytochemical and histochemical methods were used to study the effect of chronic acetazolamide treatment on carbonic anhydrase (CA) isoenzymes in the rat kidney.
(7) In conclusion, in S-rats a glucose-stimulated insulin release is accompanied by an increase in IBF, but this is not observed in P-rats.
(8) Competition with the labelled 10B12 MAb for binding to the purified antigen was demonstrated in sera of tumor-bearing and immune rats.
(9) Nutritionally rehabilitated animals had similar numbers of nucleoli to control rats.
(10) This study examined the [3H]5-HT-releasing properties of 3,4-methylenedioxymethamphetamine (MDMA) and related agents, all of which cause significant release of [3H]5-HT from rat brain synaptosomes.
(11) Addition of phospholipase A2 from Vipera russelli venom led to a significant increase in the activity of guanylate cyclase in various rat organs.
(12) Spontaneous locomotor activity was lower in naloxone-infused rats on day 3 only.
(13) The LD50 of the following metal-binding chelating drugs, EDTA, diethylenetriaminepentaacetic acid (DTPA), hydroxyethylenediaminetriacetic acid (HEDTA), cyclohexanediaminotetraacetic acid (CDTA) and triethylenetetraminehexaacetic acid (TTHA) was evaluated in terms of mortality in rats after intraperitoneal administration and was found to be in the order: CDTA greater than EDTA greater than DTPA greater than TTHA greater than HEDTA.
(14) We have investigated a physiological role of endogenous insulin on exocrine pancreatic secretion stimulated by a liquid meal as well as exogenous secretin and cholecystokinin octapeptide (CCK-8) in conscious rats.
(15) The subcellular distribution of sialyltransferase and its product of action, sialic acid, was investigated in the undifferentiated cells of the rat intestinal crypts and compared with the pattern observed in the differentiated cells present in the surface epithelium.
(16) However, the groups often paused less and responded faster than individual rats working under identical conditions.
(17) After 55 days of unrestricted food availability the body weight of the neonatally deprived rats was approximately 15% lower than that of the controls.
(18) To examine the central nervous system regulation of duodenal bicarbonate secretion, an animal model was developed that allowed cerebroventricular and intravenous injections as well as collection of duodenal perfusates in awake, freely moving rats.
(19) In the present investigation we monitored the incorporation of [14C] from [U-14C]glucose into various rat brain glycolytic intermediates of conscious and pentobarbital-anesthetized animals.
(20) Gel filtration of the 40,000 rpm supernatant fraction of a homogenate of rat cerebral cortex on a Sepharose 6B column yielded two fractions: fraction II with the "Ca(2+) plus Mg(2+)-dependent" phosphodiesterase activity and fraction III containing its modulator.