Surgical and obstetrical operations . cessary continuethe adminstration of chloroform through the trachea tubeby means of a funnel the small end of which is inserted init while the chloroform is dropped on a towel spread overthe larger end. The operator takes his place on the rightside of the animal and the assistant on the left. Make alongitudinal incision through the skin and subcutem be-ginning at the anterior part of the thyroid cartilage and ex-tending backward on the median line of the 3rd. or ring. Control the cutaneous hemorrhage. Con-tinue the incision through the subjace
Surgical and obstetrical operations . cessary continuethe adminstration of chloroform through the trachea tubeby means of a funnel the small end of which is inserted init while the chloroform is dropped on a towel spread overthe larger end. The operator takes his place on the rightside of the animal and the assistant on the left. Make alongitudinal incision through the skin and subcutem be-ginning at the anterior part of the thyroid cartilage and ex-tending backward on the median line of the 3rd. or ring. Control the cutaneous hemorrhage. Con-tinue the incision through the subjacent muscular tissuebeing careful to follow the median line exactly until thecrico-thyroidean ligament, CTL, Plate XII, the cricoidcartilage C, and the first tracheal ring TRI, are laid bare. 5 XII. Arytenectomy. E, epiglottis ; TT, thyroid cartilage ; CC,cricoid cartilage ; TRI, first tracheal ring ; vocal cord ; A, left arytenoid cartilage sur-rounded by dotted line of incision ; CTC, crico-thyroideau ligament. c--, TRl. ARYTENECTOMY. 69 Again control anj^ hemorrhage. Phmge the scalpel withits cutting edge directed backward through the crico-th3roidean ligament on a level with the dotted line T andextend this backward along the median line severing thecricoid cartilage, C, and the first tracheal ring, TRI. In-sert the retractors and have the larynx held well open by as-sistants. Illuminate the larynx by means of a reflectinglamp as may be required. After controlling any hemor-rhage caused b}^ the foregoing make an incision throughthe mucosa and the intervening connective tissue betweenthe two arytenoid cartilages, A, beginning at the anteriorpart and extending backward to the cricoid, thence turn-ing upward and laterally, incise the mucosa across theposterior end of the arytenoid thence forward along itslateral border through the vocal cord, V, and turning down-ward as the animal lies, that is toward the dorsal part ofthe larynx, continue the incision to the point
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Keywords: ., bo, bookcentury1900, bookdecade1900, booksubjectveterinarysurgery
