rachitis
 佝僂病,脊柱炎
 ra·chi·tis /rəˈkaɪtəs/ 名詞
 佝僂病
 Ra·chi·tis n.  [Written also rhachitis.]
 1. Med. Literally, inflammation of the spine, but commonly applied to the rickets. See Rickets.
 2. Bot. A disease which produces abortion in the fruit or seeds.
 ◄ ►
 rachitis
      n 1: inflammation of the vertebral column
      2: childhood disease caused by deficiency of vitamin D and
         sunlight associated with impaired metabolism of calcium
         and phosphorus [syn: rickets]