| | 突起(neurite)是神經元的組成部分,其形態、數量和長短很不相同,與胞體(soma)共同組成神經元。突起又分樹突(dendrite)和軸突(axon)兩種。樹突多呈樹狀分支,它可接受刺激並將衝動傳嚮胞體;軸突呈細索狀,末端常有分支,稱軸突終末(axon terminal),軸突將衝動從胞體傳嚮終末。通常一個神經元有一個至多個樹突,但軸突衹有一條。神經元的胞體越大,其軸突越長。 | | - : Process, bulge
- n.: apophysis, bunch, gibbosity, processus, prominence, salience, saliency, tuber, umbo, break out, tower, suddenly appear, rise high
| | - v. s'élever brusquement, monter (percer) subitement;
se dresser
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