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rostral Syllabification: ros·tral
Pronunciation: /ˈrästrəl/

Definition of rostral in English:


1 Anatomy Situated or occurring near the front end of the body, especially in the region of the nose and mouth or (in an embryo) near the hypophyseal region: the rostral portion of the brain
More example sentences
  • There may also be stimuli that originate from a region of the brain rostral to the pons and medulla (possibly the hypothalamus and motor cortex) and operate independently of the other stimuli.
  • The typical somatic nerve fibers in the striated muscle at the rostral end of the organ terminate in motor end plates.
  • A peristaltic contraction, a single front of contraction moving smoothly from the rostral end of the esophagus to the stomach, always follows a swallow.
2 Zoology Of or on the rostrum: in these snakes the rostral shield is enlarged and flattened
3(Of a column, etc.) adorned with the rams of ancient warships or with representations of these.


Example sentences
  • In the midline rostrally are the frontal and spheroid sinuses.
  • EMG signals show high amplitude spikes both rostrally and caudally, with no contralateral muscle activity and no detectable rostrocaudal lag at the onset of muscle activity.
  • A profusion of white fibers issuing from the ventral aspect of the dentate nucleus converge rostrally to form the main part of the superior cerebellar peduncle.


Early 19th century: from rostrum + -al.

Words that rhyme with rostral

Definition of rostral in:
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