Definition of rostral in English:

rostral

adjective ˈrɒstr(ə)l

1Anatomy
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.
〔剖〕身体前端的（尤指鼻和嘴部分或胚胎的垂体附近）
the rostral portion of the brain
脑垂体附近部分。
Example sentencesExamples
- The typical somatic nerve fibers in the striated muscle at the rostral end of the organ terminate in motor end plates.
- 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.
- A peristaltic contraction, a single front of contraction moving smoothly from the rostral end of the esophagus to the stomach, always follows a swallow.
- The surgeon makes a pair of additional lesions 10 mm to 15 mm rostral and caudal to the first at each ganglion site to destroy the entire fusiform ganglion.
- Some muscles are more effective in the rostral airway, whereas others exert their greatest effect in more caudal regions.
2Zoology
Of or on the rostrum.
〔动〕喙的，吻突的，嘴的，（蛇的）吻鳞
in these snakes the rostral shield is enlarged and flattened
在这些蛇中吻鳞是扩大了的和扁平的。
3historical (of a column, pillar, etc.) adorned with the beakheads of ancient warships or with representations of these.

Derivatives

rostrally

adverb

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.
Example sentencesExamples
- These four pairs of lemnisci proceed rostrally into the tegmentum of the midbrain.
- In the midline rostrally are the frontal and spheroid sinuses.
- Also, Pax2 expression in the hindbrain shifts rostrally to fuse with its anterior domain in the midbrain.
- 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.

Origin

Early 19th century: from rostrum + -al.

Definition of rostral in US English:

rostral

adjective

1Anatomy
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.
〔剖〕身体前端的（尤指鼻和嘴部分或胚胎的垂体附近）
the rostral portion of the brain
脑垂体附近部分。
Example sentencesExamples
- Some muscles are more effective in the rostral airway, whereas others exert their greatest effect in more caudal regions.
- 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 surgeon makes a pair of additional lesions 10 mm to 15 mm rostral and caudal to the first at each ganglion site to destroy the entire fusiform ganglion.
- 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.
2Zoology
Of or on the rostrum.
〔动〕喙的，吻突的，嘴的，（蛇的）吻鳞
in these snakes the rostral shield is enlarged and flattened
在这些蛇中吻鳞是扩大了的和扁平的。
3historical (of a column, pillar, etc.) adorned with the rams of ancient warships or with representations of these.

Origin

Early 19th century: from rostrum + -al.

单词	rostral
释义	Definition of rostral in English: rostral adjective ˈrɒstr(ə)l 1Anatomy 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. 〔剖〕身体前端的（尤指鼻和嘴部分或胚胎的垂体附近） the rostral portion of the brain 脑垂体附近部分。 Example sentencesExamples The typical somatic nerve fibers in the striated muscle at the rostral end of the organ terminate in motor end plates. 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. A peristaltic contraction, a single front of contraction moving smoothly from the rostral end of the esophagus to the stomach, always follows a swallow. The surgeon makes a pair of additional lesions 10 mm to 15 mm rostral and caudal to the first at each ganglion site to destroy the entire fusiform ganglion. Some muscles are more effective in the rostral airway, whereas others exert their greatest effect in more caudal regions. 2Zoology Of or on the rostrum. 〔动〕喙的，吻突的，嘴的，（蛇的）吻鳞 in these snakes the rostral shield is enlarged and flattened 在这些蛇中吻鳞是扩大了的和扁平的。 3historical (of a column, pillar, etc.) adorned with the beakheads of ancient warships or with representations of these. Derivatives rostrally adverb 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. Example sentencesExamples These four pairs of lemnisci proceed rostrally into the tegmentum of the midbrain. In the midline rostrally are the frontal and spheroid sinuses. Also, Pax2 expression in the hindbrain shifts rostrally to fuse with its anterior domain in the midbrain. 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. Origin Early 19th century: from rostrum + -al. Definition of rostral in US English: rostral adjective 1Anatomy 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. 〔剖〕身体前端的（尤指鼻和嘴部分或胚胎的垂体附近） the rostral portion of the brain 脑垂体附近部分。 Example sentencesExamples Some muscles are more effective in the rostral airway, whereas others exert their greatest effect in more caudal regions. 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 surgeon makes a pair of additional lesions 10 mm to 15 mm rostral and caudal to the first at each ganglion site to destroy the entire fusiform ganglion. 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. 2Zoology Of or on the rostrum. 〔动〕喙的，吻突的，嘴的，（蛇的）吻鳞 in these snakes the rostral shield is enlarged and flattened 在这些蛇中吻鳞是扩大了的和扁平的。 3historical (of a column, pillar, etc.) adorned with the rams of ancient warships or with representations of these. Origin Early 19th century: from rostrum + -al.
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