spine znaczenie & definicja

Przykłady spine

• In these same time periods catecholamines induce dynamic changes in the shape and branching patterns of dendrites and the growth of dendritic spines.

• Dendritic spines constitute the post-synaptic compartment of most excitatory synapses in mammalian brain.

• As already noted, stingray spines apparently continue to retain venom for some time after becoming detached from the animal.

• The finch's capacity to use spines is not inherited, but rather learned afresh by each individual.

• Stigmatic clefts (fig. 12, h) very deep and narrow ; the two lateral spines long, stout and bluntly pointed ; marginal spines short, simple.

• The dorsal spines of the comb are nearly as long as the ventral portion of the pronotum, while the lateral spines are quite short.

• The spines are 0-012 mm. in length and lie closely adpressed to the body.

• The dorso-lateral, lateral, and ventro-lateral regions of each segment are provided with a number of very small setae, anterior to the rings of spines.