micropylar

Definition of Micropylar in English :

1. micropylar

of or relating to a micropyle

WordNet Lexical Database for English. Princeton University. 2010.

Micropylar

noun

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

noun

1. Botany

a.

a very small opening in the outer coats of an ovule, through which the pollen tube penetrates

b.

the corresponding opening in the developed seed

2. Zoology

a very small opening in the membrane of an ovum of some animals, through which spermatozoa can enter

n.

1. Botany A minute opening in the ovule of a seed plant through which the pollen tube usually enters.

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