Remarks on the Form and Mechanism of the Heart

Abstract

THE-BRITISH MEDICAL .70URNAL. 821 We have, thee, to find a means or fixing the form of the heart in two R E MA R KS or more typical configurations of its cycle. In a first attempt, at least,, ON~~~~~~~~we should naturally choose for fixation the states of complete systole ON~~~~~~~~a nd complete diastole, under conditions agreeing with the normal. The THE FORM AND MECHANISM OF THE form of the heart as you see it in the post mortem room, and as it is H EAR T. seen in this specimen, cannot be regaprded as representing any one of re givinin St.~~~~~the normal configurations. The muscle may be relaxed as here, but it Nate: of a Lectur _ie nS.7ohn's College, Camb&ridge. is not distended as in natural diastole; or it may be rigid, and yet not

The arterial supply of the human kidney with special reference to accessory renal arteries

“…Other writers, however, have observed more than two arteries supplying a single kidney, the maximum number recorded being five (Kater, 1901). Macalister (1882) stated that variations in the origin of the renal arteries were the most frequent among the branches of the abdominal aorta, whilst Gillaspie, Miller, and Baskin (1916) believed that variations in the renal vessels occurred more frequently than those of any vessels of comparable size in the body.…”