semaphorin-v中文什么意思

《英文msh詞典》Semaphorin-V
[入口詞] Semaphorin-V
[主題詞] Semaphorins
[英文釋義] A family of proteins that mediate axonal guidance. Semaphorins act as repulsive cues for neuronal GROWTH CONES and bind to receptors on their filopodia. At least 20 different molecules have been described and divided into eight classes based on domain organization and species of origin. Classes 1 and 2 are invertebrate,classes 3-7 are vertebrate,and class V are viral. Semaphorins may be secreted (classes 2,3,and V),transmembrane (classes 1,4,5,and 6),or membrane-anchored (class 7). All semaphorins possess a common 500-amino acid extracellular domain which is critical for receptor binding and specificity,and is also found in plexins and scatter factor receptors. Their C termini are class-specific and may contain additional sequence motifs.

v: a V-belt 【機械工程】三角皮帶。 A V sign 勝利手勢〔向上伸出食指和中指的手勢〕 (V ＝ Victory)。 A V spot 〔美國〕一張五元鈔票。 IV＝4。 VI＝6。 XV＝15。 VL＝45。 LV＝55。
v and t: 脈量和脈壓
magnetic v block v: 型磁鐵
number in v v: 向數(shù)量
v of v formation: 數(shù)個楔形小隊組成的楔形隊

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