(a.) Hollow and curved or rounded; vaulted; -- said of the interior of a curved surface or line, as of the curve of the of the inner surface of an eggshell, in opposition to convex; as, a concave mirror; the concave arch of the sky.
(a.) Hollow; void of contents.
(n.) A hollow; an arched vault; a cavity; a recess.
(n.) A curved sheath or breasting for a revolving cylinder or roll.
(v. t.) To make hollow or concave.
Example Sentences:
(1) In the absence of glutamine the aggregate is readily dissociated following dilution of the extract; that is, velocity concaves upward as a function of increasing protein concentration.
(2) Under the SEM, the unstained area of rods is always showing a concavity, which is just a nucleoid in sections under the TEM.
(3) Three cases are presented in which a focal concave deformity occurred along the greater curvature of the stomach on upper gastrointestinal (GI) series.
(4) This change in shape varied from a slight flattening of the LV and IVS during diastole to total reversal of the normal direction of septal curvature such that the IVS became concave toward the RV and convex toward the LV.
(5) The technique combines the conventional plotting the contour lines and the highlighting, by means of hatching, of the concavities (or convexities) of the 'surface' representative of radioactive distribution.
(6) The trapezoidal shape of the vertebrae and scarring of the soft tissues within the concavity made correction difficult.
(7) On freeze-fracture preparations, the fragments with concave profile, corresponding to the external fracture face of plasma membrane, displayed an intramembrane particle density (ranging from 0 to 750 particles per micron2) which is similar to that recorded on the corresponding fracture face of intact cells from the common lymphoblastic leukemia antigen positive leukemic cell line (Nalm-1) or of vesicles shed in the culture medium by Nalm-1 cells.
(8) In testicular and cauda spermatozoa NBD-phallacidin fluorescent material was present in the two ventral processes that extended from the upper concave surface of the sperm head; also fainter material occurred along the concave border and as a dorsocaudal spur.
(9) When viewed in the lateral projection, the concavities superimpose, lying in the posterior portion of the vertebral body.
(10) Dose-effect relationships for most of the sampling times were linear and sometimes linear-quadratic concave upward or downward.
(11) This should be prevented by a bone-graft operation along the concave side of the tibia.
(12) Since February 1982, 23 patients with scoliosis were treated by releasing the soft tissues on the concave side and plaster spinal fusion jacket.
(13) The DRT curves of all data were concave and appeared to have two discrete slopes (z(D) values).
(14) Between the concave surfaces of two bent cadaverine molecules exists water channels all along the short b axis.
(15) Homotropic cooperative effects were observed as shown by the concave downward curvature of the reciprocal plots.
(16) The late mortality is 3.8% per patient-year--standard disc group 2.9% per patient-year and convexo-concave group 4.3% per patient year (no significant difference).
(17) The relationship between chloride transport and extracellular chloride in the presence of bromide is concave upward which suggests that this anion inhibits chloride movement.
(18) (3) A row of regularly spaced ribosomes located in the concavity, but at some distance from the arciform filament.
(19) The authors also consider a problem of how to interpret the symptom of a "snake mouth" or a "concave lens" which (depending on its cause) can be either transient (in a large concrement) or stable (in an exophytic tumor, completely occluding the duct).
(20) In both maxillary and mandibular teeth, approximal concavities often started in enamel, extending down to the root surface.
Meniscus
Definition:
(n.) A crescent.
(n.) A lens convex on one side and concave on the other.
(n.) An interarticular synovial cartilage or membrane; esp., one of the intervertebral synovial disks in some parts of the vertebral column of birds.
Example Sentences:
(1) Isolated meniscus pathology (12.48%) was treated by arthroscopy alone, and refixation of the medial meniscus was carried out using the inside-out technique in 27 cases.
(2) The disruption of collagen fiber binding in the meniscus by normal saline is time and temperature dependent.
(3) However, attempts to correlate meniscus height with subsequent Schirmer test results showed that these measurements varied randomly.
(4) The functional microcirculatory system of the meniscus was investigated in nine sheep using laser Doppler flowmetry (LDF).
(5) However, even after 6 months, the central core of the meniscus remained acellular.
(6) This technique, called selective magnetic resonance imaging, yielded excellent visualization of the posterior cruciate ligament, medial meniscus, and lateral meniscus in all patients.
(7) Windshields, spectacles, contact lenses, lashes, an excessive tear meniscus, intraocular lens scratches, and posterior capsular opacification are possible causes that can be easily identified and treated.
(8) On the other hand, if there are sure indications of a tear, sonography of the meniscus makes it possible to introduce therapeutic measures immediately and thereby to avoid any possible secondary damage.
(9) Since prosthetic meniscal replacement may be performed in the setting of normal articular cartilage, a prosthesis will be required to match the exact joint configuration, induce the same lubricity, produce the same coefficient of friction, and absorb and dampen the same joint forces (without incurring significant creep or abrasion) as does the normal meniscus.
(10) Nine pedunculated benign synoviomata causing mechanical symptoms similar to those of a torn meniscus are described.
(11) A graft consisting of semitendinosus and gracilis (SG) tendons is passed under the anterior horn of the medial meniscus through the knee joint, then brought out through the posterior capsule and secured to the lateral femoral metaphysis.
(12) Conservative surgical treatment without excision of the synovial membrane or meniscus but including arthroplasty of both the eminence and the lateral side of the glenoid fossa was successful.
(13) The treatment of the discoid meniscus is based on total or partial meniscectomy, achieved by the percutaneous or arthrometric technique.
(14) Quite a lot of things here are variations on the idea of enclosure, putting a roof up, spreading some kind of meniscus over the land.
(15) This usually results from intermittent visualization of the meniscus out of direct profile to the x-ray beam.
(16) For comparison, normal-appearing cartilage specimens from 2 patients with meniscus injury and 2 with degenerative joint disease (DJD) were also examined.
(17) If Rose has the meniscus removed that would allow him to return to the league quicker but it's a risky move, one that could shorten his career.
(18) There was a 14.4% diagnostic error that caused us to remove the meniscus without demonstrable pathology.
(19) Vascularisation of the meniscus was studied in 12 cadaver knees after latex injection of vessels.
(20) Although not within the scope of this article, acute arthroscopic repair of a torn meniscus, evaluation of the degree of tear of the anterior cruciate ligament, and arthroscopic repair of osteochondral fractures are all benefited by acute arthroscopic examination.