Anatomy
medulla oblongata
me·dul·la ob·long·a·ta
Subclass of:
Myelencephalon
Definitions related to medulla oblongata:
-
Caudal subdivision of the hindbrain interposed between the spinal cord and the pons; adult derivative of the myelencephalon, the most caudal subdivision of the developing brain; it has two subdivisions the open medulla bordering on the fourth ventricle and the closed medulla which surrounds the rostral part of the central canal.CRISP ThesaurusNational Institutes of Health, 2006
-
Organ component of neuraxis that has as its parts the medullary reticular formation, inferior olivary complex and cochlear nuclear complex, among other structures. Examples: There is only one medulla oblongata.Foundational Model of AnatomyUniversity of Washington, 2017
-
The lower portion of the BRAIN STEM. It is inferior to the PONS and anterior to the CEREBELLUM. Medulla oblongata serves as a relay station between the brain and the spinal cord, and contains centers for regulating respiratory, vasomotor, cardiac, and reflex activities.NLM Medical Subject HeadingsU.S. National Library of Medicine, 2021
-
The lower portion of the brainstem located between the pons and brainstem. This structure contains several descending and ascending tracts, lower cranial nerve nuclei, a significant proportion of the reticular system of the brainstem and other structures.NCI ThesaurusU.S. National Cancer Institute, 2021
-
The portion of the brainstem between the pons and cervical spinal cord.CDISC TerminologyClinical Data Interchange Standards Consortium (CDISC), 2021
-
Medulla oblongata, the lowest part of the brain and the lowest portion of the brainstem. The medulla oblongata is connected by the pons to the midbrain and is continuous posteriorly with the spinal cord, with which it merges at the opening (foramen magnum) at the base of the skull. The medulla...Encyclopedia Britannica, Inc., 2020
Return to OpenMD Medical Dictionary
> M
This content should not be used in place of medically-reviewed decision support reference material or professional medical advice. Some terms may have alternate or updated definitions not reflected in this set. The definitions on this page should not be considered complete or up to date.