chemotropic การใช้

• For that reason they are called chemotropic factors : they are chemicals that persuade axons to turn and bend.
• Research supports that new axons tend to follow previously traced pathways, rather than being guided by netrins or related chemotropic factors.
• Zygophores are chemotropic aerial hyphae that are the sex organs of Zygomycota, except for Phycomyces in which they are not aerial but found in the substratum.
• As much as Ramon y Cajal has been revered by contemporary neuroscientists, his proposal that axons find their way with the aid of chemotropic factors surrounding them has not always been accepted.
• So while the netrins and other chemotropic factors have laid out the basic circuitry of the central nervous system by the second month of fetal development, it is living that infuses it with life.
• "' Filopodia "'( also microspikes ) are slender cells display filopodia, which are thought to be involved in both sensation of chemotropic cues, and resulting changes in directed locomotion.
• And just as a particular perfume may attract one nose and repel another, so the netrins and other chemotropic factors in the brain seem to lure some axons to move forward, while causing the axonal extensions of other neurons to rear back in distaste and head in the opposite direction.