分泌道是由细胞间的胞间层溶解后，裂生形成的管道状结构。如松柏类植物的树脂道即是一种分泌道。树脂道的内周为一层具有分泌作用的上皮细胞，它们所分泌出的树脂存于树脂道中。树脂的产生，增强了木材的耐腐性。漆树韧皮部中的裂生型分泌道，其上皮细胞向管道内分泌、积累漆液，特称为漆汁道。从漆树茎干上割取的漆汁，抗腐蚀性强，是木材和金属外表的良好保护剂。
呼吸道分泌物 respiratory secretions ; respiratory droplets
消化道分泌生 IgA
口腔分泌物和食道超声 transesophageal echocardiography ; TEE
分泌性钾通道 SK CHANNEL ; secretory K channel
肾脏分泌性钾通道 SK CHANNEL ; secretory K channel
气道分泌 Airway secretion
呼吸道分泌物定量培养 QC ; Quantitative culture
分娩后泌尿道感染 Urinary tract infection following delivery
In the phloem laticifer disperse distribution likely ring,meanwhile,in the pith also disperse laticifer and secretory canal.
在韧皮部中乳汁管呈环状的星散分布,同时在罗布麻髓中也星散分布乳汁管和分泌道。
参考来源 - 三种不同环境的罗布麻植物结构研究·2,447,543篇论文数据，部分数据来源于NoteExpress
据认为，该病毒通过呼吸道产生的飞沫、与猪的喉咙或鼻腔分泌物接触，或与染病动物的组织接触进行传播。
Transmission is thought to have occurred via respiratory droplets, contact with throat or nasal secretions from the pigs, or contact with the tissue of a sick animal.
最常见的导致提前死亡的疾病是心脏病、呼吸道疾病、中风和内分泌疾病如糖尿病。
The most common conditions leading to premature death were heart disease, respiratory diseases, stroke, and endocrine problems such as diabetes.
细菌通过呼吸道飞沫或咽喉分泌物在人际传播。
The bacteria are transmitted from person to person through droplets of respiratory or throat secretions.
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