Structure and Function of the Bladder Neck: 1 Table

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Springer Science & Business Media, Feb 27, 2001 - Medical - 113 pages
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The studies described here are based on histological serial sections of the entire bladder neck region of 50 male and 15 female deceased of all age groups. For the first time, a musculus vesicoprostaticus et vesicovaginalis, a musculus dilator urethrae and a musculus ejaculatorius are defined. The bipartite musculus sphincter urethrae (glaber et transversostriatus) is the morphological basis for the maintenance of the rest and stress continence. New findings necessitate new interpretations of the basic functions of the lower urinary tract. The results presented here prove that the corresponding morphological substrate differs in many respects from descriptions in the literature.
 

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Contents

Introduction
1
Materials and Methods
5
Musculus Detrusor Vesicae
7
32 Musculus Pubovesicalis
10
34 Summary
14
The Musculature of the Trigonum Vesicae
17
41 Musculus Interuretericus
18
43 Trigonum Vesicae
27
91 Summary
72
ThreeDimensional Model of the Anatomy of the Lower Urinary Tract
73
Fundamentals of the Neuroanatomy of the Lower Urinary Tract
77
112 The Voluntary Innervation of the Musculus Sphincter Urethrae
78
113 The Sensory Innervation of the Urinary Bladder and the Urethra
79
114 Spinal and Supraspinal Influence on the Urinary Reflexes
81
115 Summary
82
Discussion Functional Interpretation of the Anatomical Findings
83

44 Summary
29
Diaphragma Urogenitale
31
51 Summary
36
Musculus Sphincter Urethrae Urethral or External Sphincter
41
61 Summary
50
Musculus Dilatator Urethrae
51
71 Summary
58
Musculus Ejaculatorius
59
81 Summary
69
Changes of the Muscles of the Lower Urinary Tract with Age
71
122 Micturition
84
123 Ejaculation
86
Further Studies and New Approaches
89
131 Summary
90
Terminologia Anatomica of the Lower Urinary Tract
93
Summary
97
References
101
Subject Index
111
Copyright

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Page 104 - Habler HJ, Janig W, Koltzenburg M: Activation of unmyelinated afferent fibres by mechanical stimuli and inflammation of the urinary bladder in the cat. J Physiol 425:545, 1990.
Page 104 - Habler HJ, Janig W, Koltzenburg M. Myelinated primary afferents of the sacral spinal cord responding to slow filling and distension of the cat urinary bladder. J Physiol 1 993 ;463 :449-460.
Page 104 - Dalm, E. (1986). Anatomical and physiological observations on supraspinal control of bladder and urethral sphincter muscles in the cat. J. Comp. Neurol.
Page 104 - Brain 123:781, 2000. 3. de Groat WC, Booth AM, Yoshimura N: Neurophysiology of micturition and its modification in animal models of human disease. In Maggi CA (ed): The Autonomic Nervous System, vol. 6: Nervous Control of the Urogenital System.
Page 101 - Pharmacology' of lower urinary tract smooth muscles and penile erectile tissues. Pharmacol Rev 1993; 45: 253-308 24.
Page 102 - A new theory of micturition and urinary continence based on histomorphological studies.
Page 103 - Calcitonin gene-related peptide (CGRP) in capsaicinsensitive, substance P-immunoreactive sensory neurons in animals and man: distribution and release by capsaicin. Peptides 8: 399-410, 1987b.
Page 108 - Alterations in afferent pathways from the urinary bladder of the rat in response to partial urethral obstruction. J Comp Neurol 1991:310:401-410.

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