(n.) An internal muscle arising from the lumbar vertebrae and inserted into the femur. In man there are usually two on each side, and the larger one, or great psoas, forms a part of the iliopsoas.
Example Sentences:
(1) Findings on plain X-ray of the abdomen, using the usual parameters of psoas and kidney shadows in the Nigerian, indicate that the two communities studied are similar but urinary calculi and urinary tract distortion are significantly more prominent in the community with the higher endemicity of urinary schistosomiasis.
(2) The inflammatory bowel disease (IBD) is sometimes complicated by the development of a psoas abscess.
(3) Although the condition is common in the tropics, an acute pyogenic psoas abscess should always be considered in the differential diagnosis of pain in the hip region.
(4) Neurogenic muscular atrophy was massive in the tongue, less predominant in the diaphragm and psoas and were similar to lesions present in the peroneus brevis muscle.
(5) Successful reconstruction of a neoureter was performed easily with the Boari bladder flap coupled with nephropexy and a psoas hitch.
(6) CT scans obtained within two hours after TLA demonstrated: (a) thickening of the diaphragmatic crura, (b) enlargement of the left psoas muscle, and (c) obscuration of the aortic outline by soft-tissue density.
(7) Good postmortem DNA stability is found in brain cortex, lymph nodes and psoas muscle.
(8) Tension of glycerol-extracted muscle fibres from rabbit psoas muscle did not change significantly following T-jumps when the fibre was relaxed.
(9) Psoas abscess is rare in children and is exceptional in the neonatal period.
(10) Follow-up observations revealed the presence of VUR in 2 patients who underwent surgery by the initial form of Boari's method and in 1 patient who underwent surgery by the psoas-hitch method.
(11) Nine patients underwent adjunctive procedures in addition to bladder augmentation, including a Young-Dees-Leadbetter procedure in 4, an artificial urinary sphincter in 3, transureteroureterostomy and psoas hitch in 1, and a Mitrofanoff procedure and bladder neck closure in 1.
(12) Metastases were demonstrated in the psoas, iliac, and middle gluteal muscles.
(13) Many fast intermediate fibres in psoas and plantaris muscle label as strongly with anti-C as do fast white fibres but also label as strongly with anti-X as do fast and slow red fibres.
(14) The peptide pattern revealed that slow (I) and fast (IIA, IIB) myosin heavy chains are quite distinct, as are those from pure slow (conoidal bundle) and fast (psoas) rabbit skeletal muscles.
(15) The method is especially helpful for the diagnosis of psoas hematoma and retroperitoneal hematoma and allows the follow-up of hematomas of the cervical region and muscle hematomas.
(16) An unusual presentation with a psoas abscess is reported.
(17) Lumbar muscularity was expressed by two ratios; the ratio between the Acs of the right psoas and the Acs of the intervertebral disc (P:disc), and the ratio between the combined Acs values of the right erector spinae and quadratus lumborum and the Acs of the disc (ESQL:disc).
(18) In the prostate, testes and ileo-psoas muscle a similar reaction was seen.
(19) These rate constants are similar to those that may occur for undistorted cross-bridges within glycerinated rabbit psoas fibers (Bowater, R., Webb, M. R., and Ferenczi, M. A.
(20) In order to study the arrangement of the myosin and non-myosin components, A segments which are aggregations of thick filaments held together at the M line were prepared from glycerinated chicken pectoral and rabbit psoas muscles and examined by electron microscopy.
Tensor
Definition:
(n.) A muscle that stretches a part, or renders it tense.
(n.) The ratio of one vector to another in length, no regard being had to the direction of the two vectors; -- so called because considered as a stretching factor in changing one vector into another. See Versor.
Example Sentences:
(1) However, we do point the way to further use of tensor analysis in the study of neural control of movement.
(2) We studied eustachian tube lengths and vectors of the tensor veli palatini muscle in 25 unilateral specimens from adult human cadavers.
(3) As an alternative to tensor theory, we modeled the vertical VOR as a three-layered neural network programmed using the back-propagation learning algorithm.
(4) The tensor palati muscle is divisible into four functional units: (1) anterior part, vertical fibers; (2) middle part, oblique fibers; (3) posterior part, horizontal fibers; and (4) posterior-most part, osseous origin.
(5) The 31P dipolar NMR powder spectrum of a typical stabilized ylid, (C6H5)3(31)P-13CHC(O)OCH2CH3, is analyzed in order to obtain the orientation of the 31P chemical shift tensor with respect to the 31P-13C alpha dipolar vector.
(6) Click evoked electromyographic (EMG) recordings were made from the contralateral tensor tympani muscle of anaesthetised mice.
(7) Ciliated and secretory cells were concentrated around the Eustachian tube orifice; additionally, ciliated cells were seen in two distinct bands extending posteriorly below the cochlea in the hypotympanum and above the cochlea toward the tensor tympani muscle.
(8) It is the purpose of this study to attempt a correlation of function, by electromyographic means, of the tensor tympani and tensor veli palatini muscles in humans.
(9) The latter signals experience little pseudocontact shifts which allow a rough orientation of the magnetic susceptibility tensor in the molecular frame.
(10) The hyperfine coupling tensor is nearly axially symmetric, with principal values (in gauss) of A(1) = 6.5, A(2) = 6.7, A(3) = 33.0.
(11) Perceived orientation was found to be dependent on the eigenvectors of the object's inertia tensor, computed about the point of rotation in the wrist, rather than on its spatial orientation.
(12) The Qzz axis of the nuclear quadrupole interaction tensor for the proximal imidazole nitrogen in MbOH was found to be aligned near gz (gmax) in MbOH, suggesting that gz is near the heme normal.
(13) Treatment of oxidized enzyme with CO causes the g-tensor of the paramagnetic center to change from rhombic to axial symmetry.
(14) The large difference in their midpoint potentials (0 and -400 mV, respectively, in the soluble enzyme) permits the acquisition of individual electron paramagnetic resonance spectra characterized by nearly identical rhombic g tensors (gz = 2.025, gy = 1.93, gx = 1.905).
(15) The observed paramagnetic relaxation rates are analysed in terms of the Solomon-Bloembergen theory, with the g-tensor value of 2 based on the consideration of the protein tertiary structure.
(16) Some peculiar experimental results such as the axial electron paramagnetic resonance spectra of adrenal ferredoxin and Pseudomonas putida ferredoxin and the electric field gradient tensor of P. putida ferredoxin are explained without assuming properties drastically different from those of the other ferredoxins, as had been suggested in the literature.
(17) In the pelvic region three major compartments (gluteus medius-minimus compartment, gluteus maximus compartment, and iliopsoas compartment) can be distinguished from the smaller compartment of the tensor fasciae latae muscle.
(18) For each Raman band in the 300-1800 cm-1 range, relative scattering intensities, Ibb and Icc, which correspond to the bb and cc components of the Raman tensor of the crystal, have been determined.
(19) Typical spindles were found in palatoglossus and tensor veli palatini with a greater number in the latter.
(20) Applications of this method, including the simplification of the measurement of the principal values of the 13C chemical shift tensor under slow MAS conditions, are described.