00:10
00:09
00:08
00:07
00:06
00:05
00:04
00:03
00:02
00:01
| originating outside the anatomical limits of certain muscles or nerves |
| either of the two pairs of folds of mucous membrane projecting into the cavity of the larynx |
medulla oblongata medulla ob·lon·ga·ta (ŏb'lŏng-gā'tə, -gä'tə)
n. pl. medulla ob·lon·ga·tas or medullae ob·lon·ga·tae (-gā'tē, -gä'tē)
The lowermost portion of the vertebrate brain, continuous with the spinal cord and responsible for the control of respiration, circulation, and other bodily functions.
| medulla oblongata (ŏb'lông-gä'tə) Pronunciation Key
Plural medulla oblongatas or medullae oblongatae (ŏb'lông-gä'tē) The lowermost portion of the brainstem in humans and other mammals. It is important in the reflex control of involuntary processes, including respiration, heartbeat, and blood pressure. |
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.
Learn more about medulla oblongata with a free trial on Britannica.com.