(a.) Having a pointed, beardlike process, as the glumes of wheat; awned.
(a.) Having a slender, sharp, or spinelike tip.
Example Sentences:
(1) Hybridization analyses of selected lines revealed that genes influencing aristal branching are located on both the X chromosome and the autosomes.
(2) A small sensory ganglion, from which arises the aristal nerve, is located proximally in the shaft.
(3) Selection was successful and resulted in two lines differing by an average of six aristal branches.
(4) These thermoreceptors are often coupled with hygroreceptors; however, we can only speculate whether the second dendrite of the aristal organ also has this function.
(5) It is concluded that the number of aristal branches in Drosophila is a neutral trait (i.e., not subject to natural selection) under laboratory conditions.
(6) Polygenic control of aristal morphology is indicated by a gradual response to selection and low realized heritabilities.
(7) Barrier was found to be related to aristic, expressive creativity which seems to be related to interest in human interactions, but unrelated to creativity associated with scientific endeavors and unrelated to creative receptivity (i.e., purest adaptive regression).
(8) Two populations of D. melanogaster were selected for increased and decreased numbers of major aristal branches.
(9) They lie in the center of the disc and correspond to the neurons of the adult aristal sensillum.
(10) The fine structure of the aristal sensory organ was studied in detail in the fruitfly (Drosophila) and for comparison in the housefly (Musca) and the blowfly (Calliphora).
(11) It is generally adopted that the homoeotic gene proboscipedia causes the transformation of the distal parts of proboscis into corresponding tarsal or antennal (aristal) segments.
(12) Correlations between aristal morphology and behavior found in other selection experiments by previous investigators were likely due to linkage disequilibria.
(13) The transformation of oral lobes of proboscic into the leg is most conspicuous at 29 degrees C, while at 16 degrees C the substitution of tarsal structures by aristal ones is observed more frequently.
(14) Shifts down yielded leg tissue at the aristal base, which retreated with later shifts.
(15) Sometimes the distal parts of the homoeotic leg (segments of tarsus, claws) can coexist with or be substituted for by the aristal filaments.
(16) This suggests that neither larval leg neurons nor early aristal neurons are essential for the outgrowth of subsequent afferents.
(17) In Drosophila, the aristal sense organ consists of 3 identical sensilla that terminate in the hemolymph space of the aristal shaft, and not in an external cuticular apparatus.
(18) The aristal sense organs in Musca and Calliphora are similar to those in Drosophila, but contain more sensilla (12 in Musca, 18 in Calliphora.
(19) When selection was relaxed for 19 generations, the number of aristal branches did not revert to the number in the control line.
(20) Changes in aristal branching did not appear to have a consistent influence on geotaxis, although there was a tendency for flies with fewer aristal branches to be geonegative.
Tip
Definition:
(n.) The point or extremity of anything; a pointed or somewhat sharply rounded end; the end; as, the tip of the finger; the tip of a spear.
(n.) An end piece or part; a piece, as a cap, nozzle, ferrule, or point, applied to the extreme end of anything; as, a tip for an umbrella, a shoe, a gas burner, etc.
(n.) A piece of stiffened lining pasted on the inside of a hat crown.
(n.) A thin, boarded brush made of camel's hair, used by gilders in lifting gold leaf.
(n.) Rubbish thrown from a quarry.
(v. t.) To form a point upon; to cover the tip, top, or end of; as, to tip anything with gold or silver.
(v. t.) To strike slightly; to tap.
(v. t.) To bestow a gift, or douceur, upon; to give a present to; as, to tip a servant.
(v. t.) To lower one end of, or to throw upon the end; to tilt; as, to tip a cask; to tip a cart.
(v. i.) To fall on, or incline to, one side.
(n.) A light touch or blow; a tap.
(n.) A gift; a douceur; a fee.
(n.) A hint, or secret intimation, as to the chances in a horse race, or the like.
Example Sentences:
(1) This study examined both the effect of variations in optical fiber tip and in light wavelength on laser-induced hyperthermia in rat brain.
(2) Sickle and normal discocytes both showed membrane elasticity with reversion to original cell shape following release of the cell from its aspirated position at the pipette tip.
(3) The complication might have been prevented by measurements of U and I, reflecting changes in impedance or by measurements of catheter tip temperature (T).
(4) But what about phenomena such as table tipping and Ouija boards?
(5) The relationship between technique of obtaining Papanicolaou smears, presence of endocervical cells, and rate of cervical neoplasia was studied by comparing an endocervical and ectocervical nylon brush (Bayne brush), Ayre spatula plus endocervical brush, and spatula plus cotton-tipped swab in a randomized, prospective trial involving 11,061 patients.
(6) Eight electrodes of different size and tip characteristics were evaluated at different temperatures and time settings, both in vitro and in vivo.
(7) Neither was the intra-VMH infusion of MA effective if: (i) the rats were not primed with estrogen; (ii) the tips of the cannulae were outside the VMH; or (iii) it was preceded by an intra-VMH infusion of the alpha 1b-antagonist, chloroethylclonidine (CEC).
(8) "We know that a country has tipped when local-to-local connections outnumber local to foreign," he added.
(9) An inner cannula containing PGE2 or PGF2alpha at its tip was inserted into the previously implanted outer cannula.
(10) The linear flow accelerator failed to prevent, but did delay, catheter tip recoil in proportion to the prolongation of contrast medium injection time.
(11) The inter-connecting linkage system develops postnatally, and the 'tip-linkages' are already found in one-week-old mice, suggesting that the critical organization of the micromechanics of the stereocilia matures rapidly during the postnatal period.
(12) A new simplified technique for evaluating the internal pudendal artery and the penile vessels is described using a new catheter configuration with a very short 90 degrees-angled tip.
(13) Tipping petrol on a fire isn’t going to get the heat out of it,” he told ABC radio.
(14) When used in snail neurones such electrodes gave very similar pHi values to those recorded simultaneously by recessed-tip glass micro-electrodes.
(15) This study demonstrates the limitations of the Q-Tip test and reconfirms the need for more sensitive and specific urodynamic investigations of the incontinent woman.
(16) Following orthodontic treatment the canine's incisal edge occlusion demonstrates the tip and torque present in the appliance that was used.
(17) After 4 weeks of in vivo growth, extensive growth of arborizing ducts was apparent in recombinants composed of urogenital sinus mesenchyme and a single adult prostatic ductal tip.
(18) Conversely, serum starvation decreased TIP levels within 1 hr.
(19) He unleashes a scorching drive from about 18 yards, which Joe Hart tips wide via his right post.
(20) One patient harbored a basilar trunk aneurysm, 1 an aneurysm of the proximal posterior cerebral artery, 3 an aneurysm of the superior cerebellar artery, and 10 an aneurysm at the basilar tip.