(n.) The terminal, and usually flexible, posterior appendage of an animal.
(n.) Any long, flexible terminal appendage; whatever resembles, in shape or position, the tail of an animal, as a catkin.
(n.) Hence, the back, last, lower, or inferior part of anything, -- as opposed to the head, or the superior part.
(n.) A train or company of attendants; a retinue.
(n.) The side of a coin opposite to that which bears the head, effigy, or date; the reverse; -- rarely used except in the expression "heads or tails," employed when a coin is thrown up for the purpose of deciding some point by its fall.
(n.) The distal tendon of a muscle.
(n.) A downy or feathery appendage to certain achenes. It is formed of the permanent elongated style.
(n.) A portion of an incision, at its beginning or end, which does not go through the whole thickness of the skin, and is more painful than a complete incision; -- called also tailing.
(n.) One of the strips at the end of a bandage formed by splitting the bandage one or more times.
(n.) A rope spliced to the strap of a block, by which it may be lashed to anything.
(n.) The part of a note which runs perpendicularly upward or downward from the head; the stem.
(n.) Same as Tailing, 4.
(n.) The bottom or lower portion of a member or part, as a slate or tile.
(n.) See Tailing, n., 5.
(v. t.) To follow or hang to, like a tail; to be attached closely to, as that which can not be evaded.
(v. t.) To pull or draw by the tail.
(v. i.) To hold by the end; -- said of a timber when it rests upon a wall or other support; -- with in or into.
(v. i.) To swing with the stern in a certain direction; -- said of a vessel at anchor; as, this vessel tails down stream.
Example Sentences:
(1) The anatomic and functional development of the suprachiasmatic nuclei (SCN) was studied in the gray short-tailed opossum, Monodelphis domestica.
(2) The electrical stimulation of the tail associated to a restraint condition of the rat produces a significant increase of immunoreactive DYN in cervical, thoracic and lumbar segments of spinal cord, therefore indicating a correlative, if not causal, relationship between the spinal dynorphinergic system and aversive stimuli.
(3) This behavior consists of a very rapid bend of the body and tail that is thought to arise from the monosynaptic excitation of large primary motoneurons by the Mauthner cell.
(4) Platinum deer mice are conspicuously pale, with light ears and tail stripe.
(5) After isolation of the complex IV only gpFII and tails are required for mature phage formation in vitro.
(6) Earlier recognition of foul-smelling mucoid discharge on the IUD tail, or abnormal bleeding, or both, as a sign of early pelvic infection, followed by removal of the IUD and institution of appropriate antibiotic therapy, might prevent the more serious sequelae of pelvic inflammation.
(7) produced a strong analgesic effect in the formalin test and in the tail pinch test.
(8) Scientists at the University of Trento, Italy, have discovered that the way a dog's tail moves is linked to its mood, and by observing each other's tails, dogs can adjust their behaviour accordingly .
(9) Body weight (BW) and nose-tail length were less in the hypoxic exposed (H) rats than in control (C) animals growing in air.
(10) Nitrous oxide produced a dose-related analgesic response in rats (ED50, 67%) as measured by the tail-flick method.
(11) A total of 23 phage specific proteins (including four head and six tail proteins) could be identified after SDS polyacrylamide gel electrophoresis of extracts from phage SPP1 infected Bacillus subtilis cells.
(12) g (SD 0.15, N = 21), which was similar to tail skin.
(13) Slager, 33, was a patrolman first class for the North Charleston police department when he fatally shot Scott, 50, following a struggle that led from a traffic stop when the officer noticed that one of Scott’s car tail lights was broken.
(14) The patients' preoperative clinical status affected the results of surgery (Breslow p less than 0.03, Mantel p less than 0.02; one-tailed tests).
(15) These apparent conflicting results between IK and the tail current could not be explained by extracellular K+ fluctuation, because 20 mM Cs+ alone depressed both factors, but an additional application of Ba2+ caused an increase in both components compared with those in the former condition.
(16) Some of them situated in a particular environment fused with the tail sequence to produce monomeric ubiquitin genes that were maintained across species.
(17) Deletion of a carboxyl-terminal sequence, comprising the transmembrane domain and short cytoplasmic tail of the alpha chain of the T cell antigen receptor (TCR-alpha), prevented the rapid degradation of this polypeptide.
(18) We have investigated enhancement of pigmentation in inbred C3H- mice using tail skin as a model for testing the effects of phosphorylated DOPA (DP) and ultraviolet radiation.
(19) Diltiazem also produced a slight decrease of both the steady-state current during depolarization and the tail current after repolarization in these concentration ranges, while the hyperpolarization activated current (Ih) was not affected significantly.
(20) A fluorescent fucose-specific lectin-stained bodies and not tails of the organism.
Tailless
Definition:
(a.) Having no tail.
Example Sentences:
(1) These experiments show that distinctly localized activities of huckebein and tailless are responsible for the appropriate expression of other genes known to be under the control of the terminal system.
(2) The isolation of hexagonal-headed, tailless, bacteriophage-like particles from uninduced cultures of Clostridium tetani is described.
(3) Successful multiplication of the tailless RNA 3 was accompanied by the reappearance of new 3' poly(A) tails on the progeny.
(4) To examine the influence of the head and tail domains on the structure and assembly properties of nuclear lamins, we have engineered "headless," "tailless," and "rod" chicken lamin B2 cDNAs and expressed them in Escherichia coli.
(5) Within this hunchback-free domain the pattern of abdominal segments must be specified by other morphogens, possibly by shorter range gradients of the products of zygotic gap genes Kruppel, knirps and tailless.
(6) In addition, the BRE pattern requires input from other segmentation genes, among them tailless and fushi tarazu but not Krüppel and knirps.
(7) The ascidian Molgula oculata has a tailed (or urodele) larva, whereas Molgula occulta develops directly via a tailless (or anural) embryo.
(8) The recessive zygotic lethal mutation tailless maps to region 100A5,6-B1,2 at the tip of the right arm of chromosome 3, and results in shortened pharyngeal ridges in the head skeleton of the mature embryo and the elimination of the eighth abdominal segment and telson.
(9) Mating experiments showed that the tailless character was due to an interaction between the T gene and an autosomal recessive gene carried by the MOL-NIS strain that expresses the short tail character under the homozygous condition.
(10) Clinical evaluation, radiographic analysis of the vertebral column and histological studies of the digestive tract and central nervous tissue were conducted to determine the association of malformations of these systems in cats born with different degrees of taillessness noted in the rumpy and stumpy cats.
(11) All the haplotypes described are viable in homozygotic state and when present with T (Brachyury) cause the offspring to be tailless.
(12) Unlike most ascidians, which develop into a swimming tadpole larva (urodele development), M. occulta eggs develop into a tailless slug-like larva (anural development) which metamorphoses into an adult.
(13) Tailed and tailless devices were surgically inserted into into the uterus by two different routes: surgically, directly into the uterine horn, thus avoiding contact with the vaginal and cervical microfloras, or via the vagina and cervix.
(14) of the tail bud of tailless and the tail of tailed mammals.
(15) It is hypothesized that the problems associated with the tailless condition such as spina bifida, urinary and faecal incontinence and locomotor disturbances of the pelvic limbs may all be related to a disturbance affecting the development of the central nervous system in the early embryonic life.
(16) Whereas dimers made of the truncated B2 headless and rod lamins had lost their propensity to associate head-to-tail, tailless lamin B2 dimers revealed an enhanced head-to-tail association.
(17) Consistent with its effect on ectodermal segments, tailless leads to a reduction in the number of segmented, paired ganglia in the ventral nerve cord as well as to an abrupt alteration in the posterior region of the tracheal system.
(18) Since the lateral mobility of the tailless Ly-2 molecules on the cell surface was nearly identical to that of the wild-type Ly-2 molecules, their partially impaired function may indicate that they have lost their cis-acting signaling properties but retained their ability to bind class I products of the major histocompatibility complex.
(19) The primary response to the terminal signal in the posterior end of the embryo is likely to be the activation of the gap genes huckebein and tailless.
(20) However, when expressed at high levels, such "tailless" mutant receptors could provide chicken embryo fibroblasts with sufficient iron from diferric human transferrin to support a normal rate of growth.