Complete tracheal rings are seen in?

VAN-0058

QUESTION

Complete tracheal rings are seen in?

OPTIONS

(A) Sheep
(B) Fowl
(C) Goat
(D) Dog

ANSWER

(B) Fowl

EXPLANATION

Fowl have complete cartilaginous tracheal rings, which help maintain an open airway. In the listed mammals, the tracheal rings are generally incomplete dorsally and are completed by the trachealis muscle or connective tissue rather than being complete rings.

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