rostral
/ˈrɒstrəl/adjective
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【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。
2
- Zoology 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。
派生词
rostrally
adverb词源
early 19th cent.: from ROSTRUM + -AL.