(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.
Harvesting
Definition:
(p. pr. & vb. n.) of Harvest
() a. & n., from Harvest, v. t.
Example Sentences:
(1) The form of the harvested crop, varietal characteristics and annual growing conditions have less bearing.
(2) Cadavers have a multitude of possible uses--from the harvesting of organs, to medical education, to automotive safety testing--and yet their actual utilization arouses profound aversion no matter how altruistic and beneficial the motivation.
(3) The quality of liver grafts was evaluated using an original, blood-free isolated perfusion model, after 8 h cold storage, or after 15 min warm ischemia performed prior to harvesting.
(4) The UN estimates that at least 10 million people in east Africa will be in need of humanitarian assistance as a result of severe food shortages, failed harvest, rising food prices and conflict in the region.
(5) All the patients underwent oocyte retrieval and 94.3% of the harvested oocytes were preovulatory.
(6) Two ejaculates were harvested by electroejaculation on each of 3 d per week for 14 wk from 14, 12- to 24-mo-old Holstein bulls.
(7) Harvest the bulbs once they reach 7-8cm across; if you cut them off at ground level rather than pulling the whole plant up, the roots should produce a second crop of feathery shoots.
(8) These experiments concerned the clinical observation of the rats, their body weight and food intake, the relative weights of their lungs, liver, kidneys and spleen, the number and activity of their alveolar macrophages harvested by pulmonary washing.
(9) Phil Barlow Nottingham • Reading about the problems caused by a lack of toilets reminded me of the harvest camps my father’s Birmingham school organised in the Vale of Evesham during the war, where the sixth-formers spent weeks picking fruit and vegetables on farms.
(10) Histologic analysis was performed on specimens from the harvested soft tissue.
(11) In addition to recruiting donors, physicians are responsible for maintaining optimal organ function in a beating heart organ donor to ensure that all organs that could potentially be harvested are in a condition suitable for transplant.
(12) We describe a surgical technique that makes use of the lower trapezius flap with inclusion of the dorsal scapular artery; this technique greatly extends the usefulness of the lower trapezius flap, while decreasing the morbidity caused by division of the upper portion of the trapezius muscle during flap harvest.
(13) The concentration of G-CSF in supernatants from cells stimulated with both IL-1 and IL-4 was at least tenfold higher than that measured in supernatants harvested from cells stimulated with either IL-1 or IL-4 alone.
(14) During five separate excursions (1989-90), observations were made of occurrence, harvesting, use, and marketing of psychoactive fungi by local Thai natives (males and females, adults and children), foreign tourists, and German immigrants.
(15) Tumours harvested after 3 weeks growth in donors, became cystic and had a scanty arterial supply.In both groups there was no portal circulation to the tumours' deposits.It is suggested that prior to intra-arterial treatment of cancer in the liver, the morphology of the tumour should be assessed.
(16) Following incubation, the monolayer was washed, and the cells were harvested and analyzed for crystal internalization.
(17) Western blotting experiments indicate that subunit IV is not a contaminating light-harvesting complex polypeptide.
(18) Under stimulation by AA, a significant decrease in the PGI2 production of the specimens was seen 120 minutes after harvesting.
(19) However, combining anti-dodecon and anti-hexon sera or producing antisera against the combined dodecon-hexon components resulted in neutralizing titers which were identical to titers obtained with antisera against the crude virus harvests.
(20) Human fibroblast cell lines were pulse-treated for 1 h with either methylnitrosourea (MNU) or ethylnitrosourea (ENU) at various time intervals before harvesting for chromosome analysis.