noun Скачать 🔗Поделиться Сфинктер A ringlike band of muscle that surrounds a bodily opening, constricting and relaxing as required for normal physiological functioning. Examples : "the iris sphincter in the eye" сфинктер радужки глаза physiology anatomy organ body medicine biology science Чат с ИИИгра со словамиПрактика чтения