نتایج جستجو برای: autonomic nerve system
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I am delighted to have the opportunity to edit this Special Issue on the peripheral nervous system, which focuses on the nerves that innervate internal organs, i.e., the “autonomic nervous system,” rather than the voluntary motor system (striated muscle). The autonomic nervous system is fundamentally responsible for regulation of all other tissues outside of the central nervous system (brain an...
BACKGROUND Distal symmetric polyneuropathy (DSP) is the most common variety of neuropathy. Since the evaluation of this disorder is not standardized, the available literature was reviewed to provide evidence-based guidelines regarding the role of autonomic testing, nerve biopsy, and skin biopsy for the assessment of polyneuropathy. METHODS A literature review using MEDLINE, EMBASE, and Curren...
Breathing cold air without proper temperature exchange can induce strong respiratory autonomic responses including cough, airway constriction and mucosal secretion, and can exacerbate existing asthma conditions and even directly trigger an asthma attack. Vagal afferent fiber is thought to be involved in the cold-induced respiratory responses through autonomic nerve reflex. However, molecular me...
Objective Determine the frequency of cardiac autonomic neuropathy (CAN) in type 2 diabetics using Bellavere's score system. Subjects and Methods The present cross-sectional study was conducted at the Department of Medicine, Isra University Hospital Hyderabad from March to November 2011. Sixty voluntary participants of type 2 diabetes mellitus (DM) were selected through non-probability purposi...
The autonomic nervous system of the chimaeroid fish Hydrolagus colliei has been investigated by dissections and histological methods. It consists of a cranial parasympathetic portion and a sympathetic portion confined to the trunk. The latter extends from the level of the heart to the anus and consists of segmentally arranged ganglia on each side of the dorsal aorta. These ganglia are closely a...
Both the adrenergic and the cholinergic components of the autonomic nervous system (ANS) have been found to be an important source of nerve fibres supplying the lungs. On the other hand, data regarding the innervation of the pulmonary tissue in breeding animals are surprisingly scarce. Therefore, in the present study noradrenergic and acetylcholinesterase-positive (AChE-positive) innervation of...
OBJECTIVE Dysfunction of cardiac autonomic nerve system is considered as one of risk factors for coronary atherosclerotic heart disease. Heart rate variability (HRV) has been used to study the correlation between damage of coronary artery and dysfunction of autonomic nervous system. We hypothesize the correlation between damage of coronary artery and dysfunction of autonomic nervous system by H...
The human adult parotid duct is the longest of all major salivary gland ducts, approximately 6-8 cm in length. Its unique structure extends over the masseter muscle, penetrates through the buccinator muscle and opens into the oral cavity. Salivary secretion is under basic control of the sympathetic and parasympathetic divisions of the autonomic nervous system. Scarce reporting on the parotid du...
Secretion of saliva is dependent on stimuli from autonomic nerves that are the effector arms of reflexes activated predominantly by taste and chewing. Nerve mediated stimulus evokes saliva secretion of water and proteins by different mechanisms. Secretion of submandibular saliva is controlled by the autonomic nervous system. The parasympathetic nervous system is the main controller of this secr...
Sudomotor dysfunction is a common finding, and one of the earliest detectable abnormalities, in a number of peripheral and autonomic neuropathies. However, clinicians can attest to the ongoing difficulty in diagnosing dysautonomia without the proper tools. Sudomotor function testing (SFT) as assessed with Quantitative Sudomotor Assessment Reflex Test (QSART) correlates well with Intraepidermal ...
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