1) анат. , физиол. тракт, путь
2) участок, пространство, территория
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- alimentary tract
- ascending tract
- association tracts
- corticospinal tract
- descending tract
- digestive tract
- ear tract
- feather tracts
- Flechsig's tract
- gastrointestinal tract
- genital tracts
- Gowers' tract
- Monakow's tract
- nerve tract
- olivospinal tract
- optic tract
- pyramidal tract
- reproductive tracts
- respiratory tract
- tectospinal tract
- urogenital tract
- vestibulospinal tract
- visual tract