corticospinal tract皮质脊髓束;脊髓束;示踪皮质脊髓束
corticonuclear tract[解剖] 皮质核束;皮质核束
Reproductive tract生殖道;生殖系;生殖道发育异常
rubrospinal tract[解剖] 红核脊髓束;红核束;红核脊髓径;红核脊髓束
nerve tract[解剖] 神经束;神经传导径路;神经束
corticopontine tract[解剖] 皮质脑桥束;皮质脑桥束
Genitourinary tract泌尿生殖道;生殖泌尿道;繁殖泌尿道
extrapyramidal tract[解剖] 锥体外束;锥体外束
Tract fistulization肠管造瘘
N-COUNT（可数名词） A tract of land is a very large area of land. 大片 [usu N 'of' n]
A vast tract of land is ready for development.
一大片土地正待开发。
N-COUNT（可数名词） A tract is a short article expressing a strong opinion on a religious, moral, or political subject in order to try to influence people's attitudes. 短文
She produced a feminist tract, "Comments on Birth-Control," in 1930.
她1930年写了一篇女性主义短文《论计划生育》。
N-COUNT（可数名词） A tract is a system of organs and tubes in an animal's or person's body that has a particular function, especially the function of processing a substance in the body. (体内的) 道 [医学] [usu supp N]
Foods are broken down in the digestive tract.
食物在消化道内被分解。