Morphology and Histology of Thoracic Sympathetic Ganglia in Fetus: A Medicolegal Aspect

Q4 Social Sciences
Ramandeep Kaur, Jaswinder Kaur, Kanchan Kapoor
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引用次数: 0

Abstract

Introduction: The thoracic sympathetic trunk possesses 12 ganglia,one corresponding to each thoracic nerve ,it lies anterior to head of ribs or side of the body of thoracic vertebrae.Splanchnic nerves arise from the thoracic ganglia and supply thoracic and abdominal viscera. Material and method: The present study included 50 preserved fetus specimens sent for routine autopsy in Department of Anatomy ,Government medical college and hospital,Chandigarh.The thoracic and abdominal wall of the fetus was incised ,then all organs were removed to expose the sympathetic chain .Morphological observations were noted.Next the thoracic ganglion was removed and fixed in paraffin for the histological processing in different gestational ages. Observation: The fetus were divided into 4 age group (Group A=11-15weeks,Group B=15+_20weeks,Group C=20+_25weeks and Group D=25 weeks onwards) Morphological observation: The length of thoracic chain was noted which was directly proportional to gestational age.The number of ganglia showed variability 12 in 22 cases,11 in 18 cases and 10 in 7 cases.The origin of splanchnic nerves from thoracic ganglia was quite variable. Histological observation: In group A the neuroblast cells were observed with eccentric nucleus. Presence of satellite cells was noticed in group B surrounding neuroblasts. In group C, some neuroblasts were seen undergoing mitosis whereas others slowed more differentiation.In group D mature adult like neuroblasts were seen with processes, satellite cell sheath and perinuclear halo.
胎儿胸交感神经节的形态学和组织学:一个医学法学方面
胸交感干有12个神经节,每个神经节对应一个胸神经,它位于肋骨头前或胸椎体侧。内脏神经起源于胸椎神经节,支配胸腹脏器。材料和方法:本研究包括50个保存完好的胎儿标本,送往昌迪加尔政府医学院解剖系进行常规尸检。切开胎儿胸腹壁,切除所有脏器,显露交感神经链,记录形态学观察。取胸神经节,石蜡固定,观察不同胎龄大鼠的组织学变化。观察:将胎儿分为4个年龄组(A=11-15周,B=15+ 20周,C=20+ 25周,D=25周以上)形态学观察:记录胸链长度,胸链长度与胎龄成正比。神经节数目有差异,22例为12,18例为11,7例为10。来自胸椎神经节的内脏神经的来源是多变的。组织学观察:A组神经母细胞见偏心核。B组神经母细胞周围可见卫星细胞。在C组,一些神经母细胞正在进行有丝分裂,而另一些则更缓慢地分化。D组见成熟成体样神经母细胞,有突起、卫星细胞鞘和核周晕。
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来源期刊
自引率
0.00%
发文量
283
期刊介绍: “Indian Journal of Forensic Medicine & Toxicology ” is peer reviewed six monthly journal. It deals with Forensic Medicine, Forensic Science, Toxicology, DNA fingerprinting, sexual medicine and environment medicine. It has been assigned International standard serial No. p-0973-9122 and e-0973-9130. The Journal has been assigned RNI No. DELENG/2008/21789.
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