A Vortex in an Egg Cell
نویسندگان
چکیده
During a fruit-fly egg cell’s early development, its internal fluid begins to swirl in vortex—a transition caused by the coordinated behavior of elastic filaments cell.
منابع مشابه
EXISTENCE OF A STEADY FLOW WITH A BOUNDED VORTEX IN AN UNBOUNDED DOMAIN
We prove the existence of steady 2-dimensional flows, containing a bounded vortex, and approaching a uniform flow at infinity. The data prescribed is the rearrangement class of the vorticity field. The corresponding stream function satisfies a semilinear elliptic partial differential equation. The result is proved by maximizing the kinetic energy over all flows whose vorticity fields are rearra...
متن کاملStability of an optical vortex in a circular nematic cell
Antonmaria A. Minzoni,1 Noel F. Smyth,2 and Zhiyong Xu3,* 1Fenomenos Nonlineales y Mecánica (FENOMEC), Departamento de Matemáticas y Mecánica, Instituto de Investigacion en Matemáticas Aplicadas y Sistemas, Universidad Nacional Autónoma de México, 01000 México D.F., México 2School of Mathematics and Maxwell Institute for Mathematical Sciences, University of Edinburgh, Edinburgh EH9 3JZ, Scotlan...
متن کاملAn Egg Is an Egg Is an Egg
typical historian of biology, either. Her recent books, even though they draw heavily on historical evidence, are not histories in the strict sense. Keller is highly selec-Making Sense of Life: Explaining Biological Development tive in her choice of material and she does not write with Models, Metaphors, and Machines extensively documented monographs on a topic. Rather, her style is essayistic ...
متن کاملAn immersed interface method for the vortex - in - cell algorithm †
The paper presents a two-dimensional immersed interface technique for the vortex-in-cell (VIC) method for the simulation of flows past complex geometries. The particle–mesh VIC algorithm is augmented by a local particle– particle (PP) correction term in a particle–particle particle–mesh (PPPM) context to resolve sub-grid scales incurred by the presence of the immersed interface. The PP correcti...
متن کاملHairy Cell Leukemia in a Young Male: An Unusual Presentation
Dear Editor-in-Chief A 28 yr male was presented in October 2015 at Medicine Outpatient Department, Safdarjung Hospital, New Delhi- India with generalized weakness, fever and cough for preceding 15 days. Clinicoradiologic examination revealed pallor, firm, non-tender splenomegaly measuring 13.7 cm and hepatomegaly (liver span - 16.9 cm). However, no lymphadenopathy was found.
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Physics
سال: 2021
ISSN: ['2624-8174']
DOI: https://doi.org/10.1103/physics.14.s1