In the past decade,extracellular microRNAs (miRNAs) have emerged as important mediators in intercellular communication,p......

鸽（鸽属利维亚,Columba livia）属于晚成鸟,刚孵化出的雏鸽不能自由采食,需要依靠亲鸽哺喂“鸽乳”才能存活。鸽乳主要是由亲鸽嗉囊上......