umbonal / ˈʌm bə nl /

⚽高中词汇脐带伞状物伞状花序伞状的

umbonal 的定义

adj. 形容词 adjective
  1. having the shape or appearance of an umbo; bosslike: an umbonal structure.
  2. of, relating to, or near the umbo: the umbonal region.

更多umbonal例句

  1. Valves smooth, thin, brittle; scuta with internal umbonal teeth on both sides.
  2. Right-hand scutum alone furnished with an internal umbonal tooth: uppermost part of peduncle dark-coloured.
  3. Its shell is considerably twisted just below the umbonal region, while its whole surface is densely striated.
  4. Ligament wanting; shell gaping, with a styloid apophysis in the umbonal cavities.