这个词是什么意思？
The state of the PENIS when the erectile tissue becomes filled or swollen (tumid) with BLOOD and causes the penis to become rigid and elevated. It is a complex process involving CENTRAL NERVOUS SYSTEM; PERIPHERAL NERVOUS SYSTEMS; HORMONES; SMOOTH MUSCLES; and vascular functions.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D010410 · MeSH 2026。
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