ocellar การใช้

• The ground colour is tinged grey in the ocellar area.
• Ocellar bristles may be present or absent.
• The subterminal area is ferruginous, but silver white in the tornal and ocellar areas.
• On the heads of most species the ocellar bristles and outer vertical bristles are well developed.
• Neriids have 1-5 frontal bristles, no ocellar bristles and some have reduced postvertical bristles.
• One common theory of ocellar function in flying insects holds that they are used to assist in maintaining flight stability.
• Other theories of ocellar function have ranged from roles as light adaptors or global excitatory organs, to polarization sensors and circadian entrainers.
• For instance in the Acalyptratae there are usually two bristles, more or less strong, positioned along the posterior margin of the ocellar triangle.
• Ocellar structure is common; the ocelli consist mainly of orthoclase and quartz, and may be up to one quarter of an inch in diameter.
• The ocellar lens may be strongly curved ( e . g . bees, locusts, dragonflies ) or flat ( e . g . cockroaches ).
• Postvertical bristles and ocellar bristles are absent, there are two orbital bristles on each side of frons, the anterior orbital bristle directed forward and towards median line.
• Adult females tend to be slightly larger than males, with smaller eyes placed more laterally on the head and the ocellar triangle not surpassing the halfway point to the lunule.
• They also possessed two smaller light-sensitive simple eyes ( the median ocelli ) near the center of the carapace on a small elevation ( known as the ocellar mound ).
• Two other bristles, present only in some families of Acalyptratae, are located posteriorly and laterally to the ocellar triangle, and are called " internal occipital " in old literature.
• Furthermore, apical convergence of wing veins R 4 + 5 and M 1 occurs, and no vibrissae, setulae on the upper surface of vein R 1, and a large, flat  ocellar disc behind the ocelli.
• Recent studies have shown the ocelli of some insects ( most notably the dragonfly, but also some wasps ) are capable of form vision, as the ocellar lens forms an image within, or close to, the photoreceptor layer.
• Ocellar ( orbicular ) varieties of gabbro can be used as ornamental facing stones, paving stones and it is also known by the trade name of'black granite', which is a popular type of graveyard headstone used in funerary rites.
• The costal area on posterior half is dark ferruginous ~ brown and there is some white suffusion beneath the ocellar blotch, as well as a large white blotch occupying area between the ocellar blotch and termen, as well as a fi乶e black terminal line.
• The costal area on posterior half is dark ferruginous ~ brown and there is some white suffusion beneath the ocellar blotch, as well as a large white blotch occupying area between the ocellar blotch and termen, as well as a fi乶e black terminal line.
• Other roles for fasII include delineating two axonal pathways in the adult ocellar sensory system ( OSS ) via its expression on ocellar pioneer ( OP ) neurons where it acts to promote neurite outgrowth from primary neurons ( along with neuroglian ) by activating fibroblast growth factor receptor ( FGFR ) signaling.