(n.) The spotted deer (Cervus axis or Axis maculata) of India, where it is called hog deer and parrah (Moorish name).
(n.) A straight line, real or imaginary, passing through a body, on which it revolves, or may be supposed to revolve; a line passing through a body or system around which the parts are symmetrically arranged.
(n.) A straight line with respect to which the different parts of a magnitude are symmetrically arranged; as, the axis of a cylinder, i. e., the axis of a cone, that is, the straight line joining the vertex and the center of the base; the axis of a circle, any straight line passing through the center.
(n.) The stem; the central part, or longitudinal support, on which organs or parts are arranged; the central line of any body.
(n.) The second vertebra of the neck, or vertebra dentata.
(n.) Also used of the body only of the vertebra, which is prolonged anteriorly within the foramen of the first vertebra or atlas, so as to form the odontoid process or peg which serves as a pivot for the atlas and head to turn upon.
(n.) One of several imaginary lines, assumed in describing the position of the planes by which a crystal is bounded.
(n.) The primary or secondary central line of any design.
Example Sentences:
(1) The dependence of fluorescence polarization of stained nerve fibres on the angle between the fibre axis and electrical vector of exciting light (azimuth characteristics) has been considered.
(2) Typically the iron-iron axis (gz) of the binuclear iron-sulfur clusters is in the membrane plane.
(3) The results clearly show that the acute hyperthermia of unrestrained rats induced by either peripheral or central injections of morphine is not caused by activation of the pituitary-adrenal axis.
(4) In this study, pinealectomy did not alter the inhibitory effect of testosterone on neuroendocine-gonadal activity in the male rat, suggesting that the pineal gland does not mediate the response of the rat hypothalamic-pituitary axis to testosterone.
(5) The bundles may lie parallel to the plasma membrane and to the long axis of the cell.
(6) The first experiment gave good results, although only one participant had any previous experience of hinge axis location, and it is debatable whether or not this experience is necessary before satisfactory results can be obtained.
(7) For consistent identification of the normal pancreas, preliminary longitudinal scanning at, or near, the mid-line and subsequent oblique scanning in the long axis are necessary prerequisites in delineating the anatomic outline of the pancreas.
(8) We attribute the greater strength of the step-cut repair to the additional number of epitendinous loops, which lie perpendicular to the long axis of the tendon.
(9) 3-D curves were computed with an apparent rotation around the vertical axis Z.
(10) In cancer of the pancreas head, cancer cells could invade the portal vein and perineural space of the celiac plexus, and metastasize to regional lymph nodes around the celiac axis.
(11) Subsequently, due to the rotation of the original polar axis in one hemisphere, the third cleavage plane through one half of the egg is transverse to the third cleavage plane through the other half.
(12) These activities define both the polarity of the anterior-posterior (AP) axis and the spatial domains of expression of the zygotic gap genes, which in turn control the subsequent steps in segmentation.
(13) In addition, FSH and LH were low or normal in the presence of low testosterone levels, suggesting that the hypothalamic pituitary gonadal axis is impaired.
(14) Dioptric aniseikonia was calculated between 1 month and 24 months after surgery (with Gruber's and Huber's computer program) on the basis of most recently obtained values (bulb axis length, depth of the anterior chamber, lens thickness, necessary refraction), and compared with subjective measurements taken with the phase difference haploscope.
(15) The first axis embraoes the genotypic period, the second the effects of etioepigenetic factors, and the third the formation of psychopathologic (neurotic or psychiatric) syndromes.
(16) This study shows that the presence of pancreatic juice in the duodenal lumen enhances the fat-stimulated release of enteric hormones that have a stimulatory action on the enteroacinar and enteroinsular axis as well as an inhibitory action (enterogastrone-like activity) on the postprandial regulation of gastric function.
(17) Thus, Hox-1.6 is involved in regional specification along the rostrocaudal axis, but only in its most rostral domain of expression.
(18) We conclude from this study that there is little or no seasonal photoperiodic entrainment of the antler and testicular cycles of males in this population of axis deer.
(19) In the cis-trans axis of the Golgi apparatus the following compartments were observed: (a) On the cis face there was a continuous osmiophilic tubular network referred to as the cis element; (b) a cis compartment composed of 3 or 4 NADPase-positive saccules perforated with pores in register forming wells that contained small vesicles; (c) a trans compartment composed of 1 or 2 TPPAse-positive elements underlying the NADPase ones, followed by 1 or 2 CMPase-positive elements that showed a flattened saccular part continuous with a network of anastomotic tubules.
(20) To meet these prerequisites we have introduced some technical refinements: (1) computer-controlled rectilinear translations of the target in combination with different angular positions of the source and (2) computer-controlled rotations of the target around a vertical axis in combination with different angular positions of the source.
Torsion
Definition:
(n.) The act of turning or twisting, or the state of being twisted; the twisting or wrenching of a body by the exertion of a lateral force tending to turn one end or part of it about a longitudinal axis, while the other is held fast or turned in the opposite direction.
(n.) That force with which a thread, wire, or rod of any material, returns, or tends to return, to a state of rest after it has been twisted; torsibility.
Example Sentences:
(1) Prompt diagnosis, in which timely diagnostic laparoscopy and ultrasound evaluation of the pelvis may be helpful, provides the opportunity for prompt laparotomy with untwisting of the torsion and stabilization of the adnexa by suture and cystectomy, if possible, extirpation if not.
(2) In testing the contribution of the long, curved stem to the torsional stability of uncemented prostheses by comparing it with other stems, the long, curved stem was the most stable, followed by a shorter straight stem, and a short, proximally curved stem.
(3) The importance of prompt diagnosis of torsion is emphasized.
(4) In this paper, we develop functions suggested by and regression fit to crystallographic data which allow three of these torsion angles, alpha (O3'-P-O5'-C5'), delta (C5'-C4'-C3'-O3') and epsilon (C4'-C3'-O3'-P), to be calculated as dependent variables of those remaining.
(5) An alternative explanation, that there may be a pre-existing defect in spermatogenesis, was tested in 20 post-pubertal males with acute torsion.
(6) We measured the stiffness of comparable configurations (1 or 2 bars) under axial compression, four-point-bending in two planes, and torsion.
(7) (4) The spine becomes less flexible in the presence of preload when it is subjected to axial tension or axial torsion.
(8) On celiotomy, peritoneal effusion was present secondary to torsion of a 10 x 6 cm right ovarian cyst.
(9) Since some of these patients closely resembled cases of idiopathic torsion dystonia, the prior occurrence of asphyxia should be used as a criterion of exclusion for that diagnosis.
(10) These sequences adopt cruciform geometry when the DNA helix is torsionally strained by negative supercoiling.
(11) Gastric volvulus is an uncommon condition in which an acquired torsion of the stomach results in acute or chronic gastrointestinal symptoms.
(12) The adenine moiety is nearly planar and the torsional angle of the glycosidic linkage O(4')-C(1')-N(3)-C(4) is -161.5 degrees.
(13) Using the single criterion of presence or absence of identifiable intratesticular flow, the authors found that color Doppler was 86% sensitive, 100% specific, and 97% accurate in the diagnosis of torsion and ischemia in the painful scrotum.
(14) A single nucleotide structure having an anti adenine-ribose glycosidic torsional angle of -114 degrees was found to satisfy the experimental distance constraints.
(15) In group I (torsion maintained), unilateral torsion of the spermatic cord was maintained until the day of sacrifice; in group II (torsion and untwist), torsion of the spermatic cord was maintained for 8 to 12 hours, then the spermatic cord was untwisted and the testis was retained until the day of sacrifice.
(16) Values for helical torsional angles phi and psi assume a much wider range than anticipated.
(17) We report the clinical findings, diagnostic problems and treatment of a 1-year-old Coloured child (with classic 'prune belly syndrome') in whom the spleen had undergone torsion, thus simulating an intra-abdominal abscess.
(18) Idiopathic torsion dystonia (ITD) is characterized by sustained, involuntary muscle contractions, frequently causing twisting and repetitive movements or abnormal postures.
(19) The effect of increasing torsional stress on the conformation of the composing elements was determined by analysis of the sensitivity to the single strand-specific S1 endonuclease and it was observed that the sites of conformational alterations correspond to the positions relevant for promoter function (upstream activator sequence, TATA sequence, and RNA initiation site).
(20) Intranucleotide proton-proton distances combined with the knowledge of sugar puckers have been used to fix the glycosidic bond torsion angle (chi).