YourDictionary

micropyle

noun

  1. Bot.
    1. a very small opening in the outer coats of an ovule, through which the pollen tube penetrates
    2. the corresponding opening in the developed seed
  2. Zool. a very small opening in the membrane of an ovum of some animals, through which spermatozoa can enter

Related Forms:

See micropyle in American Heritage Dictionary 4

Learn more about micropyle

link/cite print suggestion box