(n.) A broad flat limb used for swimming, as those of seals, sea turtles, whales, etc.
(n.) The hand.
Example Sentences:
(1) The rostral brainstem of the harbor seal Phoca vitulina was cooled and heated 33-41 degrees C while oxygen consumption and rectal, hypothalamic, flipper and dorsal skin temperatures were measured.
(2) Her younger brother had died at the age of 3 months with severe thrombocytopenia and heavily malformed, flipper-like upper extremities.
(3) Variability in daily flipper rate increased as symptom level increased.
(4) Appendages, and to a lesser extent the skin on the torso, cooled appreciably at lower air temperatures, and the flippers were kept just above freezing in subzero air.
(5) Structural differences found in the manus of fur seals and sea lions include: (1) reduction in size of the ulnar side of the carpus and a radial shift in the length-order of the digits, (2) development of musculature in the antebrachial fascia which attaches to the caudal margin of the flipper, (3) orientation of the radial side of the manus dorsal and radial to the rest of the hand, (4) increased range of possible midcarpal movement and in deviational mobility at the first and fifth digits, (5) attachment of forearm musculature onto radial digits and (6) well-developed hypothenar muscles and absence of thenar muscles.
(6) The kinematics and morphology of this hind flipper motion indicated that phocid seals do not swim in the carangiform mode as categorized by Lighthill (1969), but in a distinct mode that mimics swimming by thunniform propulsors.
(7) Arteriovenous anastomoses are important in the regulation of body temperature in seals; when these animals are on land, AVAs function to dissipate body heat, and vascular thermoregulation occurs in the flippers but notover the general body surface.
(8) The subjects wore anaglyph glasses and viewed a nonvariable square-X-circle anaglyph target alternately through a 16 delta base-out and 4 delta base-in prism flipper.
(9) At thermoneutral (+8 to +16 degrees C) and cold (-18 to -22 degrees C) ambient conditions, the effects of hypothalamic heating and cooling on the surface temperature of one flipper (skin blood flow), oxygen consumption (metabolic heat production) and esophageal (core) temperature were observed in the conscious animals.- Heating the rostral brain stem induced heat defence responses: Heat production was reduced in the cold and skin vasodilatation was evoked at thermoneutral ambient conditions.
(10) In the northern fur seal most AVAs (76%) occurred in the superficial region of the dermis; the density of AVAs in flipper skin was significantly higher than in body skin, and the density in the hind flipper was significantly greater than in the foreflipper.
(11) I'm not convinced I'm much help, clumsily treading water in my flippers, but Moi takes charge and soon we have a few dozen fish, which he chops up for us to eat raw.
(12) One group of gene mutations (Ames dwarf, dwarf, flipper-arm, pygmy) specifically depress spermatogenesis and testicular steroidogenesis.
(13) This feature is of great importance for oxygen unloading in the flippers and the tail, where the temperature is lower than the trunk of the whale.
(14) On the surface, I was successful, but I also longed for the recognition of fellow black people, including my few black male peers for whom I was seemingly nonexistent: all of them, including my brothers, were busy chasing the hair-flippers.
(15) Missing teeth were commonplace; there were gaps, spaces and "flipper dentures."
(16) Black wetsuits and flippers have replaced their trademark white cotton robes, although they still protect their heads with a traditional scarf decorated with lucky symbols.
(17) But the two middle-aged women regularly swap their floral blouses for wetsuits, fill their lungs with air and spend long periods under water, aided by nothing more than a facemask and a pair of flippers.
(18) Three cases of congenital ectrodactyly of the flipper in the manatee are described, including one case of bilaterally-symmetrical cleft hand.
(19) The hind flippers acted as hydrofoils, and the efficiency, thrust power and coefficient of thrust were calculated from unsteady wing theory.
(20) This weight gives it a gravitas, and as it waddles and flaps its flippers as you stroke it, the whole thing vibrates.
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)).