(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.
Neuraxis
Definition:
(n.) See Axis cylinder, under Axis.
Example Sentences:
(1) These cases show that an examination of the whole neuraxis is as important in patients with midline posterior fossa cysts as it is in patients with developmental syringomyelia or Chiari I malformation.
(2) This lower radiation dose to the neuraxis was used to avoid late adverse effects upon the growing central nervous system of the children.
(3) A 13-year-old boy developed widespread osteoblastic bone metastases, with dissemination throughout the neuraxis, 1 year following treatment of a differentiated (Kernohan and Sayre grade II) astrocytoma of the left parietal cortex.
(4) Furthermore it appears that neither the level of the lesion along the neuraxis nor concomitant injury to the medial lemniscal pathways is crucial for the development of CPSP.
(5) Choroid plexus papilloma is a rare intracerebral neoplasm that occasionally disseminates along the neuraxis.
(6) The lack of scratching and paw shaking during the first 3 postnatal weeks and the adult-like EMG patterns at onset are consistent with the hypothesis that pattern-generating circuits within lumbosacral segments are available early in development but inhibited by the rostral neuraxis until postural control is sufficient to accommodate the response.
(7) Although the authors agree with the doses used to treat the posterior fossa, the current doses recommended to eradicate the microscopic disease in the rest of the neuroaxis appear excessive; a lesser dose can be as effective and may decrease the rate and severity of complications.The authors believe that there is enough evidence to initiate a randomized, multi-institutional clinical trial using 20 to 25 Gy to the neuraxis (other than the posterior fossa) in one of the arms, especially when there is no evidence of tumor outside the posterior fossa.Electron beam radiation of the spinal component can decrease the dose to some of the normal structures and prevent some of the long-term sequelae.
(8) PEEP at two different levels (10 and 20 cmH2O) was applied to the following groups: animals with neuraxis intact (I group, n = 12); vagal and aortic nerve denervated animals with carotid sinus nerves intact (V group, n = 6); carotid sinus denervated animals with vagal and aortic nerves intact (SD group, n = 6); and carotid sinus denervated animals also having severed vagal and aortic nerves (SAV group, n = 12).
(9) Previous studies not using cell markers have concluded that the craniocaudal level of the induced neuraxis is determined by the age of the donor, that is, young donors induce cranial neuraxial levels, whereas old donors induce caudal levels.
(10) Abnormalities in the structure of cells, primarily of the dendrites, are observed in portions of the neuraxis, such as the hippocampus, cerebellum, and cerebral cortices.
(11) This degree of massive neuraxial spread without systemic metastases appears to be unique.
(12) Estradiol and progestin receptors were studied in 20 patients with neuraxial Schwann cell tumors, and their presence was correlated to the clinicopathologic features and the amount of preoperative corticosteroid therapy.
(13) The purpose of this study is to provide a complete map of brain macrophage and microglia distribution in all regions of the neuraxis from birth to sexual maturity.
(14) Patients with germ cell or radiosensitive tumors were treated with a uniform policy of whole neuraxis radiotherapy giving 50 Gy to the local tumor and 30 Gy to the remaining brain and spinal cord.
(15) These unique sarcomas may be confused with vascular lesions and have not been found to spread through the neuraxis.
(16) Pathologic lesions were microscopic and consisted of widespread vacuolation of the neuraxis, chiefly in white matter and less markedly in grey matter.
(17) The following annotation presents an overview of recent investigations which have shown: that peripheral nerve grafts can stimulate axonal outgrowth in many descending and ascending fibre populations of the injured spinal cord and that central nervous system (CNS) implants, derived from segmental and supraspinal levels of the embryonic neuraxis, may likewise have the potential for promoting repair of damaged intraspinal neural circuitries in adult and neonatal recipients.
(18) The main objective of the work was to define the degree of concordance and the anatomical localization of maximal vascular permeability change and fibrin deposition within the neuraxis of recipient rats during the earliest expression of clinical manifestations of the disease.
(19) Congenital arachnoid cyst must be distinguished from various cystic lesions within the central nervous system, including the neuroepithelial cyst which can arise throughout the neuraxis.
(20) Following CxCAO in animals with neuraxis intact, no significant alterations of SNA occurred despite the significant fall in mean blood pressure (MBP).