欄杆[rankan] guardrail
杆菌[kankin] bacillus
杆状体[kanjoutai] rod (shape of cell)

杆体[kantai] rod (shape of cell)
杆体細胞[kantaisaibou] rod cell

家庭欄[kateiran] family column (newspaper)
空欄[kuuran] blank space
三行広告欄[sangyoukoukokuran] classified ads
上欄[jouran] top or preceding horizontal column
人事欄[jinjiran] personal column

人生案内欄[jinseiannairan] personal-question column
投書欄[toushoran] letters to the editor section
不欄[furan] space without columns
欄外[rangai] margin