. A practical treatise on medical diagnosis for students and physicians . Human semen: a, spermatozoa; b, cylindrical epithelium; c, bodies enclosing lecithin gran-ules; d, squamous epithelium from the urethra; d, testicle-cells; e, amyloid corpuscles; /, sper-matic crystals; g, hyaline globules. (Von Jaksch.) Many continent men have occasionally nocturnal emissions, accom-panied by erections and erotic sensations. These can not be looked uponas abnormal, and they are compatible with robust health. There areother persons, neurotic, anaemic, and generally constipated in habit, whohave emissions


. A practical treatise on medical diagnosis for students and physicians . Human semen: a, spermatozoa; b, cylindrical epithelium; c, bodies enclosing lecithin gran-ules; d, squamous epithelium from the urethra; d, testicle-cells; e, amyloid corpuscles; /, sper-matic crystals; g, hyaline globules. (Von Jaksch.) Many continent men have occasionally nocturnal emissions, accom-panied by erections and erotic sensations. These can not be looked uponas abnormal, and they are compatible with robust health. There areother persons, neurotic, anaemic, and generally constipated in habit, whohave emissions at night two or three times a week, of which they are Fig. Spermatozoa from urine. (Original.) unconscious until they awake and find themselves wet. Semen may alsobe lost during micturition and defecation, especially when much strainingis required. Such a condition (spermatorrhoea) is abnormal. It is dueto general nervous and muscular relaxation, associated with nervous dys-pepsia and anaemia, and aggravated by sedentary life, constipation, andthe reading of salacious literature or the cultivation of erotic thoughts. 660 THE URINE. In young men, it sometimes follows habits of masturbation, which havebeen broken up but have left behind a hypersesthetic condition of theprostatic portion of the urethra, with or without dilatation of the orificesof the ejaculatory ducts ; or a stricture of gonorrheal origin may be itscause. Students and over-worked and over-strained business and profes-sional men are the ones most frequently affected. However caused, the condition is apt to beget a most distressing stateof despondency, in which the patient imagin


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