Also found in: Medical.


 (sĕm′ē-mĕm′brə-nəs, sĕm′ī-)
Partly membranous, as one of the hamstring muscles.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
References in periodicals archive ?
Improvement of the knee flexors should also be postponed for up to 4 weeks, especially in the repair of the medial meniscus, by inserting the semimembranous into this meniscus.
A total of 4 pieces of tissue from the adductor and semimembranous muscles were removed and used to prepare frozen tissue sections.
Baker's cysts are situated between the medial head of the gastrocnemius muscle and the insertion of the semimembranous muscle.