(1) But a decrease in size of the nucleolus is also observed during the differentiation of the midgut cells of Gyrinus natator where the crystals are not present.
(2) The pattern of skull growth of the rice rat (Oryzomys palustris natator) over the pre-weaning period of development reveals a characteristic triphasic outline which stems, in part, from the interplay of the external environment and the genetic endowment.
(3) A survey of skull development of the rice rat (Oryzomys palustris natator) covering a period of 21 days to 16 months involving equal numbers of males and females (108) was undertaken using various skull parameters.
Swimming
Definition:
(p. pr. & vb. n.) of Swim
(a.) That swims; capable of swimming; adapted to, or used in, swimming; as, a swimming bird; a swimming motion.
(a.) Suffused with moisture; as, swimming eyes.
(n.) The act of one who swims.
(a.) Being in a state of vertigo or dizziness; as, a swimming brain.
(n.) Vertigo; dizziness; as, a swimming in the head.
Example Sentences:
(1) Over the years the farm dams filled less frequently while the suburbs crept further into the countryside, their swimming pools oblivious to the great drying.
(2) Small and medium fish swim up when stressed, whereas larger fish swim down.
(3) All these animals have been taking the same daily swimming training, during 15 days before the injection of labelled molecules.
(4) When the organisms are free-swimming this is seen as the reversed locomotion of Jennings' "avoiding reaction."
(5) Low concentrations of cercaricides are toxic both for cercariae and parthenites from the liver of mollusks and for freely swimming cercariae.
(6) A comparison was made between the Q's estimated by the CO2 rebreathing method during tethered swimming and previously published data on Q determined by the dye-dilution method during free swimming in a flune.
(7) The maximal swimming time in the water (33--34 degrees C) with an additional load of 3 per cent of body weight failed to increase after 5 weeks of training in the animals to which dexamethasome was infected.
(8) The cardiac TG concentration was back to control levels by the 2nd h after the swim.
(9) Further the results of a test under practical conditions in a swimming pool are shown and the possibility to discriminate different types of waters by their chlorine demand under constant-titration.
(10) Addition of hydrocortisone, prednisolone and corticosterone into the medium as well as in vivo administration of these increased the adrenaline synthesis in swimming rats and did not alter it in intact rats.
(11) We confirmed that swimming activity is induced reversibly following exposure of the nerve cord to 5-HT (50 microM); the half-maximal rate of swimming activity develops in about 15 min.
(12) Thirty-eight female Wistar rats were randomly assigned to one of three groups: run-trained (RUN), swim-trained (SWIM) or control (CON).
(13) All motoneuron firing during fictive swimming is associated with a tonic depolarization that falls away slowly once firing stops, is increased by hyperpolarizing current, and is reduced by depolarizing current.
(14) The chemotactic receptor-transducer proteins of Escherichia coli are responsible for directing the swimming behavior of cells by signaling for either straight swimming or tumbling in response to chemostimuli.
(15) Eukaryotic ribosomes were isolated from the cryptobiotic embryos and from the further-developed free-swimming nauplii of the brine shrimp Artemia salina.
(16) The purpose of this study was to determine whether a chronic swimming program could reverse the decreased cardiac function and altered myosin biochemistry found in hearts of rats with established renal hypertension.
(17) The activity of hexobarbital oxidase in vivo was found to be higher in rats forced to swim regularly (sleeping time studies).
(18) An echocardiographic evaluation of 77 members of a championship childhood swim team showed dimensional variations from normal in most athletes.
(19) There are these two young fish swimming along, and they happen to meet an older fish swimming the other way, who nods at them and says, "Morning, boys, how's the water?"
(20) VO2 in both styles curvilinearly increased with swimming velocity, and these relationships were well fitted for the regression equation of the second order (Br: y = 3.84625x2 - 1.95914x + 1.310463,r2 = 0.999 (p < 0.05), Fr: y = 3.233446x2 - 2.28136x + 1.611524, r2 = 0.979 (p < 0.05)).