aster


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aster

 [as´ter]
a structure occurring in dividing cells, composed of microtubules radiating from a centrosome. The two asters are the poles of the spindle apparatus.
 Asters separating in prophase of mitosis. From Dorland's, 2000.

as·tro·sphere

(as'trō-sfēr),
A set of radiating microtubules extending outward from the cytocentrum and centrosphere of a dividing cell.
[G. astron, star, + sphaira, ball]

aster

/as·ter/ (as´ter) [L.] a system of microtubules arranged in starlike rays around each pair of centrioles during mitosis.
Enlarge picture
Asters separating in prophase of mitosis.

aster

(ăs′tər)
n.
Biology A star-shaped structure formed in the cytoplasm of an animal cell during mitosis, having raylike microtubules that surround the centrosome.

as·tro·sphere

(as'trō-sfēr)
A set of radiating microtubules extending outward from the cytocentrum and centrosphere of a dividing cell.
Synonym(s): aster, attraction sphere.
[G. astron, star, + sphaira, ball]
Asterclick for a larger image
Fig. 54 Aster . Generalized form.

aster

a group of blind-ending SPINDLE MICROTUBULES radiating out from the CENTRIOLES of dividing cells in lower plants and all animals. The aster function is uncertain, but does not seem to be concerned with spindle formation.

Aster

genus of selenium indicator plants in the family Asteraceae; preferentially accumulates selenium from the soil. Includes A. adscendens, A. coerulescens, A. commutatus, A. ericoides, A. glaucoides, A. laevis var. geyeri. See also xylorrhiza.

aster

a structure occurring in dividing cells, composed of microtubules radiating from a centrosome. The two asters are the poles of the mitotic spindle.
References in periodicals archive ?
One good idea is to use x another aster for this task - such as low-growing varieties of Aster ericoides.
Unlike other analytic community sites that are limited to specific analytic techniques, the Discovery Analytics Community site, based on the Teradata Aster Discovery Platform, will support a variety of analytic techniques and languages to support analytic skills across a number of health plans.
Aster DM Healthcare has been expanding its footprint in the Gulf and India since 1987, with direct presence in all the GCC markets as well as India, Jordan and Philippines.
Aster moved to Lane County from California in 1982, bringing with him a growing string of trade magazines, first to Springfield and later to the Willamette Street building.
This is a landmark expansion for the group as well as for the Aster chain of medical centres -- it is one of the many steps we are taking as part of our desire to be closer to the community," said Dr Azad Moopen.
Former Eugene developer Ed Aster next week will auction off his last two lots at Westec Business Park, near the Hynix computer chip plant in west Eugene.
Aster used a significant part of the score as a mood-setting emotional barometer behind the spoken word.
NASDAQ: MLNX; TASE: MLNX), a leading supplier of high-performance, end-to-end interconnect solutions for data center servers and storage systems, today announced that Teradata has chosen its InfiniBand interconnect solution to accelerate the Teradata Aster Big Analytics Appliance.
Dr Azad Moopen, chairman and managing director of Aster DM Healthcare handed over the contribution to Dhananjay Jha, Nepal Ambassador to the UAE, recently.
With the analytics capabilities of Teradata Aster, we will be able to derive insights from data and come up with concepts to help advance the competitiveness of numerous key industries.
To resolve the disputes, Aster has stipulated to a Consent Judgment and Permanent Injunction from the Southern District of New York as to U.