T tubule

英語（米国） (en-US) 英語（イギリス） (en-GB)

名詞

(anatomy) One of the extensions of the cell membrane of striated muscle cells, running in a transverse manner, that permit the transmission of the action potential into the cell and regulate cellular calcium concentration.

日本語の意味

骨格筋の細胞膜の延長部で、横方向に走り、活動電位を細胞内部に伝播させるとともに細胞内カルシウム濃度の調節に関与する構造

英語の意味

(anatomy) One of the extensions of the cell membrane of striated muscle cells, running in a transverse manner, that permit the transmission of the action potential into the cell and regulate cellular calcium concentration.

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The action potential travels along the T tubule to trigger calcium release from the sarcoplasmic reticulum during muscle contraction.

活動電位は筋細胞膜の横行突起に沿って伝わり、筋収縮時に筋小胞体からのカルシウム放出を引き起こす。

詳細

意味（1）

(anatomy) One of the extensions of the cell membrane of striated muscle cells, running in a transverse manner, that permit the transmission of the action potential into the cell and regulate cellular calcium concentration.

T tubules （ plural ）