dermopathic instrument

Surg.: An acicular instrument used to introduce a vesicatory beneath the skin. [ACUPUNCTURATOR; HYPODERMIC SYRINGE.] der-mop-těr-i, der-mop-ter-y-gi-1, s. pl. [Gr. derma=skin, and pteryx (gen it. pterygos ) =a wing, a fin.] Ichthy.: A section of fishes of vermiform shape, made distinct from the Chondropterygii by Prof. Owen, on account of their lower structure. They include the Lampreys, . They have cutaneous vertical fins, with rays extremely soft and delicate; pectoral and ventral fins wanting; endo-skeleton uno ified.