micropylar

micropyle

[mahy-kruh-pahyl]
noun
1.
Zoology. any minute opening in an ovum through which a spermatozoon can enter, as in many insects.
2.
Botany. the minute orifice or opening in the integuments of an ovule.

Origin:
1815–25; micro- + Greek pýlē gate

micropylar, adjective
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Collins
World English Dictionary
micropyle (ˈmaɪkrəʊˌpaɪl)
 
n
1.  a small opening in the integuments of a plant ovule through which the male gametes pass
2.  a small pore in the shell of an insect's eggs through which the sperm passes
 
[C19: from micro- + Greek pulē gate]
 
micro'pylar
 
adj

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Science Dictionary
micropyle   (mī'krə-pīl')  Pronunciation Key 
  1. A minute opening in the ovule of a seed plant through which the pollen tube usually enters.

  2. A pore in the membrane covering the ovum of some animals through which a spermatozoon can enter.


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