Mucus type: the cells of this type produce a lot of mucus which presses the nucleus into a ring shape.
粘液型：这种类型的细胞产生大量的粘液将细胞核挤压成环状。
Hernia Lumber Disc refers to a group of symptoms and body signs caused by pressure and stimulation to spinal marrow or nerve root due to fibrous ring rupture and pulpiform nucleus protrusion.
腰椎间盘突出症是指椎间盘的纤维环破裂和髓核组织突出，压迫和刺激脊髓或神经根所引起的一系列症状和体征。
Instead, the most striking feature of the galaxy's centre is the ring of bright knots surrounding the nucleus.
相反地，星系中心最显著的特征是围绕核心的命令节点环。
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