蜜蜂針(英文:bee sting)係指蜜蜂嘅針。
當一隻蜜蜂想攻擊敵人嗰陣,佢會將佢支針拮落個敵人身上,支針帶有一啲毒液-蜂毒(apitoxin)。支針好多時喺拮完個敵人之後,就會由隻蜜蜂嘅身體嗰度甩出嚟,但就算係噉,因為支針有佢自己嘅神經節等嘅結構,所以仲可以繼續插喺個敵人身上同埋向佢注射毒液,毒液會令個敵人有痛嘅感覺。除咗噉之外,當一隻蜜蜂感覺到有危險嗰陣,佢會釋放一種費洛蒙,呢種費洛蒙會刺激佢四圍嘅同伴,令到佢哋一齊進入攻擊狀態。分泌呢種費洛蒙嘅腺(gland)同隻蜜蜂支針有關係-插咗入敵人體內支針會繼續係噉釋放嗰種費洛蒙,令到其他蜜蜂跟住一齊攻擊個敵人。
蜜蜂同其他多數嘅蜂唔同嘅係,佢哋啲工蜂嘅針上面有啲好似倒勾噉嘅刺喺度。如果隻蜜蜂拮嘅敵人係一啲皮膚有返咁上下厚嘅動物-例如係人類-啲刺通常會令到支針由隻蜜蜂個腹嗰度甩出嚟,而隻冇咗支針嘅蜜蜂會喺幾分鐘之內死亡。呢種構造之所以會進化出嚟,可能係因為蜜蜂要應付脊椎動物用嘅-除非插咗入肉,支針多數唔會甩出嚟。
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