zona pellucida
Americannoun
Other Word Forms
Etymology
Origin of zona pellucida
From New Latin, dating back to 1835–45; see origin at zone, pellucid
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Instead, the Conservancy resorted to a five-year experimental birth control plan in 2009, injecting female bison with the contraceptive porcine zona pellucida.
From National Geographic • Jan. 18, 2024
When a sperm binds to the zona pellucida, a series of biochemical events, called the acrosomal reactions, take place.
From Textbooks • Jun. 9, 2022
White arrows point to the presumptive inner cell mass and a black arrow to a representative zona pellucida.
From Nature • Sep. 19, 2017
These peptides make up what is called the "zona pellucida" — a sort of extracellular eggshell that surrounds the egg in a transparent layer.
From The Verge • Apr. 27, 2016
The thick, outer, structureless envelope that encloses it is the original ovolemma or zona pellucida, modified, and clothed with a layer of albumin that has been deposited on the outside.
From The Evolution of Man — Volume 1 by Haeckel, Ernst Heinrich Philipp August
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.