Book Reviews VERHANDLUNGEN DER DEUTSCHEN C~TESELLSCHAFT ~ii~ KREISI~AUFF'OR- SCHUNG. III Tagung. Theodor Steinkopff, Dresden and Leipzig, 1930. Pp. 150. The papers and discussions collected here were presented at a meeting held in Dresden on June 11 and 12, 1930. The presentations are concise and the illustrations carefully prepared. The volume is of special value to those who wish to keep in touch with recent work in other countries and it is interesting to note the subject matter of the papers. There are papers on venous pressure and on changes in the peripheral circulation in hypertension, microphotographic studies of the capillaries, notes on respiration and chemical studies in rela- tion to the circulation and respiration. The opening addresses are by Dr. Biirker (Giessen) on the red cells and by Dr. Lindhart (Copen- hagen) on technical methods for the clinical study of problems of the circulation. E. H. DIE REFLEKTORISCHE SELBSTSTEUERUNG DES KREISLAUFES. By Dr. Eber- hard Koch. Theodor Steinkopff, Dresden and Leipzig, 1931. Pp. 234 with 44 illust,rations. This is the first of a series of monographs entitled “Ergebnisse der Kreislaufforsehung ” edited by Bruno Kisch. It is devoted entirely to a consideration of the aortic (depressor) nerve (Coyn and Ludwig) and the sinus nerve (Hering and De Castro), and their receptors in the arch of the aorta and in the carotid sinus respectively. Because changes in heart rate and in peripheral vessel muscle tone are reflexly caused by changes of arterial pressure in the aorta and in the carot,id sinus, Koch calls this mechanism “the pressor receptor mechanism of the circulation.” Through this system the relative stability of blood pressure and heart rate is maintained. Neither the physical, chemical or hormonal changes in t.he blood, which undoubtedly play a part in the regulation of the circulation, nor the peripheral vasomotor mechanism are discussed. In Part I the embryology, anatomy and comparative anatomy of this pressor receptor system are given and the literature is discussed. Of particular interest in this part is the description of the recent anatomical studies by De Castro on the sinus nerve and its receptors in the carotid sinus. 720

Verhandlungen der deutschen gesellschaft für kreislaufforschung: III Tagung. Theodor Steinkopff, Dresden and Leipzig, 1930. Pp. 150

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Page 1: Verhandlungen der deutschen gesellschaft für kreislaufforschung: III Tagung. Theodor Steinkopff, Dresden and Leipzig, 1930. Pp. 150

Book Reviews

VERHANDLUNGEN DER DEUTSCHEN C~TESELLSCHAFT ~ii~ KREISI~AUFF'OR- SCHUNG. III Tagung. Theodor Steinkopff, Dresden and Leipzig, 1930. Pp. 150.

The papers and discussions collected here were presented at a meeting held in Dresden on June 11 and 12, 1930. The presentations are concise and the illustrations carefully prepared. The volume is of special value to those who wish to keep in touch with recent work in other countries and it is interesting to note the subject matter of the papers. There are papers on venous pressure and on changes in the peripheral circulation in hypertension, microphotographic studies of the capillaries, notes on respiration and chemical studies in rela- tion to the circulation and respiration. The opening addresses are by Dr. Biirker (Giessen) on the red cells and by Dr. Lindhart (Copen- hagen) on technical methods for the clinical study of problems of the circulation.

E. H.

DIE REFLEKTORISCHE SELBSTSTEUERUNG DES KREISLAUFES. By Dr. Eber- hard Koch. Theodor Steinkopff, Dresden and Leipzig, 1931. Pp. 234 with 44 illust,rations.

This is the first of a series of monographs entitled “Ergebnisse der Kreislaufforsehung ” edited by Bruno Kisch. It is devoted entirely to a consideration of the aortic (depressor) nerve (Coyn and Ludwig) and the sinus nerve (Hering and De Castro), and their receptors in the arch of the aorta and in the carotid sinus respectively. Because changes in heart rate and in peripheral vessel muscle tone are reflexly caused by changes of arterial pressure in the aorta and in the carot,id sinus, Koch calls this mechanism “the pressor receptor mechanism of the circulation.” Through this system the relative stability of blood pressure and heart rate is maintained. Neither the physical, chemical or hormonal changes in t.he blood, which undoubtedly play a part in the regulation of the circulation, nor the peripheral vasomotor mechanism are discussed.

In Part I the embryology, anatomy and comparative anatomy of this pressor receptor system are given and the literature is discussed. Of particular interest in this part is the description of the recent anatomical studies by De Castro on the sinus nerve and its receptors in the carotid sinus.

720