byssus sinus足丝凹曲
byssus orifice足丝孔
byssus pit足丝窝
byssus silk海丝
Provisional byssus足丝
byssus gland足丝腺
byssus notch足丝凹口
byssus s足丝
byssus-stem generator足丝柄部发生器
N（名词） a mass of strong threads secreted by a sea mussel or similar mollusc that attaches the animal to a hard fixed surface 足丝