(n.) The long, round, slender rod or pin in spinning wheels by which the thread is twisted, and on which, when twisted, it is wound; also, the pin on which the bobbin is held in a spinning machine, or in the shuttle of a loom.
(n.) A slender rod or pin on which anything turns; an axis; as, the spindle of a vane.
(n.) The shaft, mandrel, or arbor, in a machine tool, as a lathe or drilling machine, etc., which causes the work to revolve, or carries a tool or center, etc.
(n.) The vertical rod on which the runner of a grinding mill turns.
(n.) A shaft or pipe on which a core of sand is formed.
(n.) The fusee of a watch.
(n.) A long and slender stalk resembling a spindle.
(n.) A yarn measure containing, in cotton yarn, 15,120 yards; in linen yarn, 14,400 yards.
(n.) A solid generated by the revolution of a curved line about its base or double ordinate or chord.
(n.) Any marine univalve shell of the genus Rostellaria; -- called also spindle stromb.
(n.) Any marine gastropod of the genus Fusus.
(v. i.) To shoot or grow into a long, slender stalk or body; to become disproportionately tall and slender.
Example Sentences:
(1) A spindle cell sarcoma appeared 20 months after implantation of a pellet of 3-methylcholanthrene in the denervated foreleg of an adult frog, Rana pipiens.
(2) Actin is present in chromosomal spindle fibres, with consistent polarity.
(3) The aim was to clarify the nature of their constituent cells, specifically the giant ganglion-like cells and spindle cells, and to discuss the implications for histogenesis.
(4) Despite severe defects in the 1st or 2nd meiotic spindles in all mutants, no effect on mitosis was observed.
(5) The unsatisfactory smear showed atypical spindle cells.
(6) The cortical thresholds for contraction of m. extensor digitorum communis and for acceleration of the discharges of its muscle spindles have therefore been compared.2.
(7) Out of the remaining 14 cases six tumours consisted of epithelioid cells, one--spindle-shaped and seven were of mixed structure.
(8) Fibroblastic cells were characterized by their spindle shape, content of a mucopolysaccharide, their relative inability to synthesize infectious influenza virus, and production of a cell-associated noninfectious hemagglutinin.
(9) Germinal vesicle stage oocytes undergo perinuclear aggregation of acidic organelles during GVBD and these organelles subsequently disperse into the cell cortex as the first meiotic spindle migrates to the oocyte periphery.
(10) This is the first study identifying the birefringence of the spindle microtubules as well as three sets of microfilamentous structure in Dictyostelium.
(11) In reviewing recent progress concerning the motor system and drug action, the following subjects will be discussed on the basis of our data: 1) the mechanisms of action of mephenesin and baclofen, 2) baclofen and gamma-aminobutyric acid B (GABAB) receptor, 3) GABA-, benzodiazepine receptors, 4) control of spinal motor system by descending noradrenergic neuron, 5) pharmacology of the muscle spindle, and 6) pharmaco-metrics of centrally acting muscle relaxants.
(12) The V79 cells were treated for 30 min and in general, loss of a stainable spindle could be demonstrated at slightly higher concentrations than c-mitosis.
(13) Seven tumours were predominantly of blue and spindle-cell, fascicular type, resembling malignant peripheral nerve sheath tumour and at times monophasic synovial sarcoma.
(14) To our knowledge, peripheral adenocarcinoma of the lung with a spindle-cell component has not been described previously.
(15) H-protein altered the structure of the LMM paracrystals, especially the spindle-shaped ones.
(16) Isolated nuclei from green leaf tissue of tomato plants infected with potato spindle tuber viroid (PSTVd) were bound to microscope slides, fixed with formaldehyde and hybridized with biotinylated transcripts of cloned PSTVd cDNA.
(17) The wire functioned as a spindle along which the distraction of the osteotomized bone fragments was continued.
(18) It is suggested that contracting extrafusal muscle fibres can modulate the discharge pattern of spindle endings and contribute to the variability of discharge during a voluntary contraction.
(19) In the same subject, also the ratio between the number of the muscle spindles found in m. rectus dorsalis and that of m. levator palpebrae superioris was examined.
(20) We tested nine (cadmium chloride, chloral hydrate, colchicine, diazepam, econazole nitrate, hydroquinone, pyrimethamine, thiabendazole, thimerosal) of the 10 known or suspected spindle poisons of the coordinated programme to study aneuploidy induction sponsored by the Commission of the European Communities using Saccharomyces cerevisiae D61.M (mitotic chromosomal malsegregation system).
Whorl
Definition:
(n. & v.) A circle of two or more leaves, flowers, or other organs, about the same part or joint of a stem.
(n. & v.) A volution, or turn, of the spire of a univalve shell.
(n. & v.) The fly of a spindle.
Example Sentences:
(1) Authors report a ring chromosome 18 (18 r) in a four year old boy, with low birth weight, retarded growth and development, microcephaly and plagiocephaly, horizontal nystagmus, ambiguous genitalia, clinodactyly of the fifth finger, distal axial triradius, whorls pattern in 8 fingers in dermatoglyphic.
(2) The enzyme was specifically localized over the whorled SER membranes and was absent from nonwhorled SER, rough endoplasmic reticulum, and peroxisomes.
(3) It was found in the proposed model of morphogenesis of Acetabularia that the number of whorls N (as well as the number of umbel rays) depends on the degree of mechanical instability of the deforming cell wall (the greater is instability, the higher is the value N).
(4) Membrane whorls were frequently found in bile canaliculi, the space of Disse, and between the lateral membranes of hepatocytes at early times.
(5) Khatris, Jats, Brahmins and Muslims were taken to see ethnic differences in regards to the distribution of whorls, loops, and arches of finger dermatoglyphics.
(6) Textures observed include spherulites with Maltese crosses, striated and highly colored ribbons, whorls of periodic interference fringes, and colored flakes.
(7) Light and electron microscope autoradiographs of degenerate photoreceptors revealed that even in the final stages of degeneration when OS are reduced to small, irregular whorls of membrane, 3H-leucine labeling was present in inner segments and OS membranes.
(8) The authors report a case of myocardial infarction complicated by a false aneurysm of the posterior wall of the left ventricle, the diagnosis of which was confirmed, for the first time, by transesophageal echocardiography (TEE) which provided better definition of the anatomical features of the lesion: visualisation of the particularly wide neck (5 cm) and the site of rupture of the myocardium; demonstration of the presence in the false aneurysm with a thin pericardial wall of a large thrombus of different acoustic density, itself overlain by swirling whorls.
(9) At the ultrastructural level, all three toxins caused dose-dependent vesiculation of rough endoplasmic reticulum, formation of concentric whorls composed of rough-ER, mitochondrial swelling, large cytoplasmic vacuoles and altered bile canaliculi.
(10) The actinomycete differed from the other whorl cultures.
(11) The latter demonstrated minimal disorganization of rough endoplasmic reticulum and occasional lamellar whorls.
(12) The results of the present study did not show any indication of linkage between dermatoglyphic patterns on fingertips (ulnar loops, radial loops, whorls and arches) and the ABO, MN, Rh, Kell and Xg blood groups.
(13) On ultrastructural examination, the tumor cells demonstrated paranuclear whorls of intermediate filament aggregates and occasional electron-dense granules.
(14) Furthermore, neuroaxonal dystrophy, accumulations of branching tubules, and neuronal change consisting of intracytoplasmic "whorls" of proliferating membranes constitute prominent features of scrapie-related neurodegeneration.
(15) Subsequent to a final rapid phase of engorgement, the basophilic cell reorganizes its cisternae of rough endoplasmic reticulum into whorls and parallel arrays and resumes a secretory role.
(16) Immunoelectron microscopy shows that the protein is localized in the matrix of the rhoptry organelle and on membranous whorls secreted from the merozoite.
(17) Numerous whorl-like membranous structures and separation of nuclear membrane were also observed.
(18) The whorls appeared to be associated with RER and Golgi bodies.
(19) Two deceptively benign-appearing, unclassifiable but very similar fibromyxoid sarcomas characterized histologically by bland, innocuous-appearing fibroblastic cells and a swirling, whorled growth pattern are presented.
(20) They may be arranged in a whorled pattern imitating meningiomas, their myxoid intercellular stroma may assume the morphology of cartilage and closely packed tumour cells in "epithelioid" astrocytomas come close to imitate metastatic carcinoma.