What's the difference between kousso and vermifuge?

Kousso

Definition:

(n.) An Abyssinian rosaceous tree (Brayera anthelmintica), the flowers of which are used as a vermifuge.

Example Sentences:

Definition:

(n.) A medicine or substance that expels worms from animal bodies; an anthelmintic.

Example Sentences:

(1) The degree of infestation and the response to vermifuge therapy could be determined with precision by retrograde cholangiography.
(2) Attention is drawn to the varied clinical and radiological presentation and the relationship of volvulus to the use of vermifuge.
(3) The instillation of intraluminal vermifuge intra-operatively has minimized postoperative worm migration through suture lines and anastomoses.