Definition of Micropyle

1. Noun. Minute opening in the wall of an ovule through which the pollen tube enters.

Generic synonyms: Aperture
Group relationships: Ovule

Definition of Micropyle

1. n. An opening in the membranes surrounding the ovum, by which nutrition is assisted and the entrance of the spermatozoa permitted.

Definition of Micropyle

1. [n -S]

Medical Definition of Micropyle

1. 1. Small hole or aperture in the protective tissue surrounding a plant ovule, through which the pollen tube enters at fertilization. Develops into a small hole in the seed coat through which, in many cases water enters at germination. 2. Perforation in the shell (chorion) of an insect egg through which the sperm enters at fertilization. This entry appears with permission from the Dictionary of Cell and Molecular Biology (11 Mar 2008)

Lexicographical Neighbors of Micropyle

micropsia
Micropterus
Micropterus dolomieu
Micropterus pseudoplites
Micropterus salmoides
micropublisher
micropublishers
micropublishing
micropulsation
micropulsations
micropuncture
micropuncture
micropunctures
micropylar
micropyle (current term)
micropyle (current term)
micropyles
microquake
microquakes
microradian
microradiograph
microradiography
microreader
microreaders
microrefractometer
microrespirometer
micros
microsaccades
microsatellite
microsatellite repeats

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