antrum
Americannoun
plural
antranoun
Other Word Forms
- antral adjective
Etymology
Origin of antrum
1720–30; < Latin < Greek ántron cave
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.
Cells that make up the pyloric antrum secrete mucus and a number of hormones, including the majority of the stimulatory hormone, gastrin.
From Textbooks • Jun. 19, 2013
Early tertiary follicles with their fluid-filled antrum will be stimulated by an increase in FSH, a gonadotropin produced by the anterior pituitary, to grow in the 28-day ovarian cycle.
From Textbooks • Jun. 19, 2013
A thick fluid, called follicular fluid, that has formed between the granulosa cells also begins to collect into one large pool, or antrum.
From Textbooks • Jun. 19, 2013
Dr. Bartlett pays more attention than many other experts to the antrum, the lower part of the stomach's rear wall, which partly controls the output of acids.
From Time Magazine Archive
![]()
Mastoid pain and tenderness are indicative of inflammation in the antrum or cells, and when these symptoms supervene in the course of a chronic middle-ear suppuration, they should always be regarded as of grave import.
From Manual of Surgery Volume Second: Extremities—Head—Neck. Sixth Edition. by Miles, Alexander
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.