Star-shaped system of microtubules emanating from a centrosome or from a pole of a mitotic spindle.
(Latin, aster = star) A star-like object visible in most dividing eukaryotic cells contains the microtubule organizing center.
any of various chiefly fall-blooming herbs of the genus Aster with showy daisylike flowers
star-shaped structure formed in the cytoplasm of a cell having fibers like rays that surround the centrosome during mitosis
Star-shaped structure composed of microtubules (called astral fibers) that radiates outward from a centrosome during mitosis. ( Figure 19-34)
Short fibers produced by cells during mitosis and meiosis. These radiate from the centriole (if it is present). PICTURE
Aster means star in Greek. The Ancient Greeks believed that asters were created from the tears shed when Virgo looked down from the heavens and wept for the plight of man.
Any of a large number of daisy like flowering herbs of the genus Aster. Usually white or blue to purple in flower color and blooming late in the season. Represented by a number of species in the North Country, including the ubiquitous Large Leaf Aster ( Aster macrophyllus) of the forest floor.
The genus Aster (syn. Diplopappus Cass.)includes some 600 species of widely distributed flowering plants in the family Asteraceae. Aster comes from the Greek word for "star", and refers to the shape of the flower head.