constricted

  • 61Bernoulli's theorem — 1. Statistics. See law of averages (def. 1). 2. Hydrodynamics. an expression of the conservation of energy in streamline flow, stating that the sum of the ratio of the pressure to the mass density, the product of the gravitational constant and… …

    Universalium

  • 62constriction — /keuhn strik sheuhn/, n. 1. the act of constricting. 2. the state of being constricted; tightness or inward pressure. 3. a constricted part. 4. something that constricts. 5. Phonet. an articulated narrowing of the vocal tract that in consonants… …

    Universalium

  • 63tensile strength — the resistance of a material to longitudinal stress, measured by the minimum amount of longitudinal stress required to rupture the material. [1860 65] * * * Ratio of the maximum load a material can support without fracture when being stretched to …

    Universalium

  • 64Cretaceous Period — Interval of geologic time from с 144 to 65 million years ago. During the Cretaceous the climate was warmer than today. In the seas, marine invertebrates flourished, and bony fishes evolved. On land, flowering plants arose, and insects, bees in… …

    Universalium

  • 65McGahern, John — ▪ 2007       Irish novelist and short story writer (b. Nov. 12, 1934, Dublin, Ire. d. March 30, 2006, Dublin), was noted for his depictions of Irish men and women constricted and damaged by the conventions of their native land, his keen… …

    Universalium

  • 66animal development — Introduction  the processes that lead eventually to the formation of a new animal starting from cells derived from one or more parent individuals. Development thus occurs following the process by which a new generation of organisms is produced by …

    Universalium

  • 67Bougie — A thin cylinder of rubber, plastic, metal or another material that a physician inserts into or though a body passageway, such as the esophagus, to diagnose or treat a condition. A bougie may be used to widen a passageway, guide another instrument …

    Medical dictionary

  • 68Pupil — The opening of the iris. The pupil may appear to open (dilate) and close (constrict) but it is really the iris that is the prime mover; the pupil is merely the absence of iris. The pupil determines how much light is let into the eye. Both pupils… …

    Medical dictionary

  • 69isthmus — 1. A constriction in the embryonic neural tube delineating the anterior portion of the rhombencephalon, the future metencephalon, form the more rostrally located mesenephalon. 2. SYN: rhombencephalic i.. [G. isthmos] i. of aorta SYN …

    Medical dictionary

  • 70pedicle — 1. A constricted portion or stalk. SYN: pediculus (1) [TA]. 2. A stalk by which a nonsessile tumor is attached to normal tissue. SYN: pedunculus [TA], peduncle (2). 3. A stalk through which a flap of …

    Medical dictionary