part of part_of part of part_of has part has part has_part anatomical structure 解剖结构 organ organ 器官 musculature musculature 肌肉组织 muscle organ muscle organ 肌肉器官 AAO:0011066 EMAPA:32715 EMAPA:37474 EV:0100146 FMA:5022 GAID:131 It seems clear that the metazoan ancestor inherited from its unicellular descendants an actin cytoskeleton and motor-proteins of the myosin superfamily. Within metazoans, these two molecules were arranged into effective contractile units, the muscles. The basic trends for muscle evolution are already expressed in the diploblastic taxa.[well established][VHOG] MA:0000015 OpenCyc:Mx4rv2kf-5wpEbGdrcN5Y29ycA Organ consisting of a tissue made up of various elongated cells that are specialized to contract and thus to produce movement and mechanical work[GO]. Portion of tissue composed of contractile fibers.[TAO] TAO:0005145 UBERON:0001630 VHOG:0001245 XAO:0000172 ZFA:0005145 galen:Muscle muscle muscular uberon Organ consisting of a tissue made up of various elongated cells that are specialized to contract and thus to produce movement and mechanical work[GO]. muscle 由各种细长细胞组成的组织器官，善于收缩，从而产生运动和机械功[GO]。 肌肉 muscle tissue muscle tissue 肌肉组织 muscle structure muscle structure 肌肉结构 organ organ 器官