lower uterine segment
The isthmus of the uterus, the lower extremity of which joins with the cervical canal and during pregnancy expands to become the lower part of the uterine cavity.
Why do we use capital and lower case letters, and how did both types come to be?
Capitalization rules tend to vary by language and can be quite complicated. It is widely understood that the first word of a sentence and all proper nouns are always capitalized. However, what is not so clear is the origin of the upper case distinction that has become common practice, especially in regards to Modern English. To unmask the origin of the capital letter we need …
Read more in this article about some frequently asked questions and fun facts related to our definitions.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.