TRACHENCHYMA
Tra*chen"chy*ma, n. Etym: [NL.,fr. trachea + -enchyma as in
E.parenchyma.] (Bot.)

Defn: A vegetable tissue consisting of tracheæ.

TRACHEOBRANCHIA
Tra`che*o*bran"chi*a, n.; pl. Tracheobranchlae. Etym: [NL. See
Trachea, and Branchia.] (Zoöl.)

Defn: One of the gill-like breathing organs of certain aquatic insect larvæ. They contain tracheal tubes somewhat similar to those of other insects.

TRACHEOBRONCHIAL
Tra`che*o*bron"chi*al, a. (Zoöl.)

Defn: Pertaining both to the tracheal and bronchial tubes, or to their junction; — said of the syrinx of certain birds.

TRACHEOCELE
Tra"che*o*cele, n. Etym: [Gr. tracheocele. ] (Med.)
(a) Goiter.
(b) A tumor containing air and communicating with the trachea. Morell
Mackenzie.

TRACHEOPHONAE Tra`che*oph"o*næ (, n. pl. Etym: [NL., from trachea + Gr. fonei^n to sound.] (Zoöl.)

Defn: A group of passerine birds having the syrinx at the lower end of the trachea.

TRACHEOSCOPY
Tra`che*os"co*py, n. Etym: [Trachea + -scopy.] (Med.)