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a network of intersecting blood vessels or intersecting nerves or intersecting lymph vessels (同)rete

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(神経・血管などの)網状組織

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1. 陰部神経ブロックおよび傍子宮頸管ブロック pudendal and paracervical block
2. 末梢神経ブロック：手技 peripheral nerve block techniques
3. 腕神経叢症候群 brachial plexus syndromes
4. 超音波内視鏡下の腹腔神経叢および神経節への介入 endoscopic ultrasound guided celiac plexus and ganglia interventions
5. 癌疼痛のマネージメント：介入的治療 cancer pain management interventional therapies

English Journal

Sacro-lumbar intersegmental spinal reflex in autonomic pathways mediating female sexual function.

Yuan SY1, Gibbins IL, Zagorodnyuk VP, Morris JL.Author information 1Anatomy and Histology, Flinders University, Adelaide, SA, Australia. shiyong.yuan@flinders.edu.auAbstractINTRODUCTION: Autonomic neurons in paracervical ganglia mediating vasodilation in the female reproductive tract receive inputs from both midlumbar and sacral spinal levels. However, it is not known how the lumbar pathways are activated.
The journal of sexual medicine.J Sex Med.2011 Jul;8(7):1931-42. doi: 10.1111/j.1743-6109.2010.02160.x. Epub 2011 Jan 6.
INTRODUCTION: Autonomic neurons in paracervical ganglia mediating vasodilation in the female reproductive tract receive inputs from both midlumbar and sacral spinal levels. However, it is not known how the lumbar pathways are activated.AIM: This study tested whether stimulation of pudendal sensory n
PMID 21210955

[Simplified exploration of brachial plexopathies by reduction to well-known mononeuropathies and radiculopathies].

Fournier E.Author information Département de physiologie, faculté de médecine Pitié-Salpêtrière, université Pierre-et-Marie-Curie-Paris-6, 91, boulevard de l'Hôpital, 75013 Paris, France. emmanuel.fournier@upmc.frAbstractThe anatomic complexity of the brachial plexus makes its electrophysiological exploration difficult. Electrodiagnosis nevertheless plays a crucial role in assessing brachial plexopathies, particularly in the perspective of post-traumatic surgical reconstructions. The evaluation aims to locate as precisely as possible injuries within the plexus, as well as to determine their severity and capacity for recovery. This requires various sensory nerve conduction studies and needle EMG recordings of "marker" muscles. Plexopathies differ from radiculopathies by altered sensory nerve responses and unaltered functional innervation of paracervical muscles. We propose to simplify the exploration of brachial plexopathies by following some practical rules derived from a reanalysis of the brachial plexus anatomic sketch. Two main simplification rules can be deduced from an analysis of the anatomic sketch. First it would be judicious to associate the plexopathies involving a single element of the brachial plexus with distinct etiological and symptomatic patterns according to the altered element, as one does for peripheral nerve and root pathologies. The second proposal relies on the observation that each supraclavicular "truncal" element (upper, middle, or lower) of the brachial plexus results from reunion of cervical root nerves and behaves like a "super-root" for the upper limb, while each infraclavicular "cord" element (posterior, lateral, or medial) is the sum of two or more peripheral nerves and behaves like a "super-nerve". Accordingly, the motor and sensory abnormalities associated with the lesion of a single plexus branch may occupy a clinical and electrophysiological territory that recovers those of its constituants. Except the unaltered paracervical muscles, it is useful to reduce the topographical semiology of truncal lesions to well-known cervical radiculopathies (upper trunk neuropathy to C5 and C6 associated radiculopathies, middle trunk neuropathy to C7 radiculopathy, lower trunk neuropathy to C8 and T1 associated radiculopathies); and that of cord lesions to well-known mononeuropathies of the upper limb (for example, a posterior cord neuropathy may be considered as a full radial mononeuropathy associated with an axillary one). This method of simplification allows to demystify the brachial plexopathies and to facilitate their comprehension and exploration.
Revue neurologique.Rev Neurol (Paris).2009 Dec;165(12):1127-33. doi: 10.1016/j.neurol.2009.07.003.
The anatomic complexity of the brachial plexus makes its electrophysiological exploration difficult. Electrodiagnosis nevertheless plays a crucial role in assessing brachial plexopathies, particularly in the perspective of post-traumatic surgical reconstructions. The evaluation aims to locate as pre
PMID 19660776

Anatomical and physiological properties of pelvic ganglion neurons in female mice.

Jobling P1, Lim R.Author information 1School of Biomedical Sciences, Faculty of Health and Hunter Medical Research Institute, The University of Newcastle, Callaghan, NSW 2308, Australia. phillip.jobling@newcastle.edu.auAbstractMost neurons that regulate motility and blood flow in female pelvic organs are located within pelvic (paracervical) ganglia. In this study we investigated the anatomical and physiological properties of neurons within mouse (C57/Bl/6) paracervical ganglia. Most neurons showed immunoreactivity for choline acetyl transferase (CHAT) and were presumably cholinergic. Few neurons (approximately 5%) were tyrosine hydroxylase (TH) positive. Immunohistochemical labelling for microtubule associated protein 2 showed most neurons had small somata (cross sectional area approximately 300 microm(2)) and lacked dendrites. Action potential (AP) discharge characteristics, determined by depolarising current step injection, revealed most neurons (70%) adapted rapidly to depolarising current injection and were classified as "phasic". The remaining neurons discharged APs throughout the current step and were classified as "tonic". Membrane properties and current-voltage relationships were similar in phasic and tonic neurons, however the afterhyperpolarisation was significantly smaller in tonic neurons. Stimulation of preganglionic axons usually evoked a single strong preganglionic input (21/27 and 9/10 for pelvic and hypogastric nerves, respectively). In 19 preparations where we tested for inputs from both nerves pelvic inputs predominated (23/45 neurons) and inputs via the hypogastric nerve were rarely observed (3/45 neurons). Together, our data indicate that most neurons within mouse paracervical ganglia are cholinergic and parasympathetic. As there is little anatomical or functional evidence for integration of preganglionic inputs we propose that the role of paracervical neurons is restricted to one of spatial amplification or filtering of preganglionic inputs.
Autonomic neuroscience : basic & clinical.Auton Neurosci.2008 Jun;140(1-2):30-9. doi: 10.1016/j.autneu.2008.03.001. Epub 2008 Apr 21.
Most neurons that regulate motility and blood flow in female pelvic organs are located within pelvic (paracervical) ganglia. In this study we investigated the anatomical and physiological properties of neurons within mouse (C57/Bl/6) paracervical ganglia. Most neurons showed immunoreactivity for cho
PMID 18430613