The human nose uses a complex system of interconnected receptors and neurons, which conduct signals to the brain for interpretation. 人的鼻子使用一個接受器和神經元相互連接的複雜系統，這個系統將信號傳導到大腦進行解釋。
Glycans participate in many key biological processes including cell adhesion, molecular trafficking and clearance, receptor activation, signal transduction, and endocytosis. 多糖參與了許多關鍵的生物學過程，其中包括細胞粘附，分子運輸，分子降解，受體活化，信號傳導和細胞內吞作用。
