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Exploring the anatomical relationship between the recurrent laryngeal nerve and the inferior thyroid artery: insights from cadaveric dissections 探索喉返神经与甲状腺下动脉之间的解剖关系:尸体解剖的启示
Pub Date : 2024-07-15 DOI: 10.18231/j.ijcap.2024.016
Pooja Dadwani, Ila Suttarwala, Jaikumar B Contractor
Injury to Recurrent Laryngeal Nerve (RLN) is the most common complication of surgical interventions for thyroid gland disorders. This makes a thorough anatomical knowledge of RLN with variations in its branching pattern and relationship with Inferior Thyroid Artery (ITA) of vital importance for surgeons. The current study was aimed to establish the relationship of RLN with Inferior Thyroid Artery (ITA) as well as its implications on thyroid surgeries. We studied the 73 RLN during routine dissection and autopsy examinations through a lateral approach and observations were tabulated using descriptive statistics and relational statistics, Chi-square test, for analysing significance. The results showed statistically significant differences in RLN branching patterns as well as in its positions relative to ITA between the right and left RLN. Extra-laryngeal terminal bifurcations were the most common finding and posterior positioning of RLN with respect to ITA was predominant. More so, bifurcations occurred more frequently on the right side (75.67%) than on the left side (30.55%) (P < 0.05). The nerve was observed posterior to the ITA in 78.08%, anterior in 24.65% and in-between in 5.47% specimens. The potential consequences of such RLN variations on surgical outcomes emphasize the risk of iatrogenic injuries and associated symptoms. We also noted discrepancies in findings compared to a previous few studies, but these may be attributed to the embryological and racial differences. The study underscores the importance of understanding RLN anatomy for safe thyroid surgeries and warrant further research to elucidate RLN variations and their impact on surgical procedures contributing valuable insights into RLN anatomy to optimize surgical outcomes and reduce complications in thyroid surgeries.
喉返神经(RLN)损伤是甲状腺疾病手术治疗中最常见的并发症。因此,全面了解喉返神经的解剖结构、其分支模式的变化以及与甲状腺下动脉(ITA)的关系对外科医生来说至关重要。本研究旨在确定 RLN 与甲状腺下动脉 (ITA) 的关系及其对甲状腺手术的影响。我们在常规解剖和尸体解剖检查中通过侧方入路对 73 例 RLN 进行了研究,并使用描述性统计和关系统计、Chi-square 检验将观察结果制成表格,以分析其显著性。结果显示,左右RLN的分支模式及其相对于ITA的位置在统计学上存在显著差异。喉外末端分叉是最常见的发现,RLN相对于ITA的位置以后方为主。此外,分叉发生在右侧(75.67%)的频率高于左侧(30.55%)(P < 0.05)。78.08%的标本观察到神经位于ITA后方,24.65%位于前方,5.47%位于两者之间。这种 RLN 变异对手术结果的潜在影响强调了先天性损伤和相关症状的风险。我们还注意到研究结果与之前的几项研究存在差异,但这可能是由于胚胎学和种族差异造成的。这项研究强调了了解RLN解剖结构对于甲状腺手术安全的重要性,因此有必要开展进一步研究,以阐明RLN变异及其对手术过程的影响,从而为优化手术效果和减少甲状腺手术并发症提供有价值的见解。
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引用次数: 0
Ethical considerations of artificial intelligence (AI) in teaching and learning anatomy 人工智能(AI)在解剖学教学中的伦理考虑
Pub Date : 2024-07-15 DOI: 10.18231/j.ijcap.2024.014
Anupama Mahajan
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引用次数: 0
An osteological study of the clavicular facet of the coracoclavicular joint 锁骨关节锁骨面的骨学研究
Pub Date : 2024-07-15 DOI: 10.18231/j.ijcap.2024.017
S. Sakthivel, N. Dhakshnamoorthy, Ilankathir Sridharan, Sarala Devi K V
The coracoclavicular joint is a rare diarthrotic synovial joint between the scapula and clavicle. Its presence has been established as an etiological factor in shoulder pain and could be associated with upper limb paraesthesia. The incidence of the joint varies in different ethnic populations. The present study aims to report the prevalence of this joint in South Indians. The descriptive study was conducted on 118 right-sided and 159 left-sided adult human dried clavicles. The conoid tubercle of the clavicles was examined for the presence of a smooth articular facet for the coracoid process of the scapula. The transverse and anteroposterior dimensions of the clavicular facet were measured using a digital Vernier caliper. The clavicular facet for the coracoclavicular joint was observed in 4.69% of the 277 bones. The shape of the facet was horizontally oval, and the transverse diameter was longer than the anteroposterior diameter. The mean transverse diameter was 8.81±1.86 mm, and the anteroposterior diameter was 6.16±2.39 mm. With a prevalence of 4.69% in this study in the South Indian population, the presence of CCJ could not be considered a rare anomaly. Although it is incidentally diagnosed, the possibility of CCJ occurrence should be considered in the differential diagnosis of unexplained shoulder pathology.
肩锁关节是位于肩胛骨和锁骨之间的一种罕见的二关节滑膜关节。它的存在已被确定为肩痛的病因之一,并可能与上肢麻痹有关。该关节在不同种族人群中的发病率各不相同。本研究旨在报告该关节在南印度人中的发病率。这项描述性研究针对 118 例右侧和 159 例左侧成人干锁骨进行。研究人员检查了锁骨的锥体结节,以确定是否存在与肩胛骨的冠状突相连的光滑关节面。使用数字游标卡尺测量了锁骨面的横向和前后尺寸。在 277 块骨骼中,有 4.69% 的骨骼观察到了锁骨关节的锁骨面。切面的形状呈水平椭圆形,横向直径长于前后直径。平均横向直径为(8.81±1.86)毫米,前后径为(6.16±2.39)毫米。在这项研究中,南印度人群的发病率为4.69%,因此不能认为CCJ是一种罕见的异常。虽然CCJ是偶然诊断出来的,但在对原因不明的肩部病变进行鉴别诊断时,应考虑到CCJ发生的可能性。
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引用次数: 0
Index finger and ring finger ratio (2D:4D) and it's correlation with Hypertension and it's affects for possibility factors in cardiovascular diseases in North Indian female population 北印度女性食指和无名指的比例(2D:4D)及其与高血压的相关性,以及它对心血管疾病可能性因素的影响
Pub Date : 2024-07-15 DOI: 10.18231/j.ijcap.2024.023
Sunil Kumar, Sadakat Ali
Hypertension is a major risk factor for cardiovascular diseases (CVDs) and is a growing concern globally. The 2nd to 4th digit ratio (2D:4D), determined by the relative length of the index and ring fingers, has been linked to prenatal testosterone exposure and potentially cardiovascular health. This study investigates the correlation between 2D:4D ratio and hypertension in a North Indian female population, exploring its potential role as a risk factor for CVDs. A cross-sectional study will be conducted among North Indian females. Participants will be recruited through community outreach and healthcare facilities. Data collection will involve: 1. Demographic information; 2. Blood pressure measurement to identify hypertensive and normotensive individuals; 3. Measurement of the 2nd and 4th finger lengths on both hands to calculate the 2D:4D ratio. The study is expected to reveal a correlation between 2D:4D ratio and hypertension prevalence in the North Indian female population. We hypothesize that females with a lower 2D:4D ratio (indicating higher prenatal testosterone exposure) might exhibit a higher prevalence of hypertension. This finding could suggest a potential association between prenatal hormonal influences and increased risk of CVDs in later life. This study design is cross-sectional, and causality cannot be established. Further longitudinal studies would be needed to explore the cause-and-effect relationship between 2D:4D ratio, hypertension, and CVD development.
高血压是心血管疾病(CVDs)的主要风险因素,也是全球日益关注的问题。由食指和无名指的相对长度决定的第 2 位数与第 4 位数之比(2D:4D)与产前睾酮暴露和潜在的心血管健康有关。本研究调查了北印度女性人群中 2D:4D 比例与高血压之间的相关性,探索其作为心血管疾病风险因素的潜在作用。这项横断面研究将在北印度女性中进行。参与者将通过社区宣传和医疗机构招募。数据收集将包括1.2.测量血压,以确定高血压患者和血压正常者;3.测量双手第 2 和第 4 指长度,以计算 2D:4D 比例。这项研究有望揭示北印度女性人口中 2D:4D 比例与高血压患病率之间的相关性。我们假设,2D:4D 比率较低的女性(表明产前睾酮暴露较高)可能表现出较高的高血压患病率。这一发现可能表明,产前激素影响与日后心血管疾病风险增加之间存在潜在联系。这项研究的设计是横断面的,无法确定因果关系。要探讨 2D:4D 比率、高血压和心血管疾病发展之间的因果关系,还需要进一步的纵向研究。
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引用次数: 0
Rare anatomical variations in lungs - A case report 肺部罕见的解剖变异--病例报告
Pub Date : 2024-07-15 DOI: 10.18231/j.ijcap.2024.025
Ritika Kaswa, Lakshita Sharma, Ankita Pareek, Anamika Kumari Yadav, Sandeep M Lahange, Neha Udainiya
The lungs are a pair of respiratory organs situated in a thoracic cavity. Comprising bronchi, bronchioles, and alveoli, they maximize surface area for gas exchange. Their main function is to facilitate the gaseous exchange and to contribute in maintaining the blood's acid-base balance by regulating carbon dioxide levels. They play a pivotal role in immune defence by protecting against pathogens and foreign particles. Lungs are essential for sustaining life by supporting cellular metabolism and physiological homeostasis. Their intricate structure and function make them indispensable for respiratory and overall health. During the routine dissection at the National Institute of Ayurveda, Jaipur it was observed that the number of lobes and fissures in the lungs were different from the normal anatomy of the lungs. The subject was formalin fixed a 90-year-old male cadaver of North Indian origin. This study aims to summarise rare anatomical variations of the lungs according to lobes and fissures as in addition to having numerous other therapeutic implications, structural changes in the lungs are crucial during segmental or lobar resection of the lungs.
肺是位于胸腔内的一对呼吸器官。肺由支气管、支气管和肺泡组成,具有最大的气体交换表面积。它们的主要功能是促进气体交换,并通过调节二氧化碳水平来维持血液的酸碱平衡。肺在免疫防御中发挥着关键作用,能抵御病原体和外来微粒的侵袭。肺支持细胞新陈代谢和生理平衡,是维持生命的关键。肺的结构和功能错综复杂,对呼吸系统和整体健康不可或缺。在斋浦尔国家阿育吠陀研究所的例行解剖中,人们观察到肺叶和肺裂的数量与正常的肺解剖结构不同。研究对象是一具经福尔马林固定的北印度裔 90 岁男性尸体。这项研究旨在根据肺叶和肺裂总结肺部罕见的解剖变异,因为肺部结构的变化除了具有许多其他治疗意义外,在肺段或肺叶切除术中也至关重要。
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引用次数: 0
Unusual variations in Gantzer muscle and neurovascular structures of forearm 前臂甘特泽肌和神经血管结构的异常变化
Pub Date : 2024-07-15 DOI: 10.18231/j.ijcap.2024.024
Urvi Sharma, Suman Verma
: Gantzer muscles are variants in forearm. They may cause compressive neuropathy affecting median or anterior interroseous nerve (Kiloh Nevin syndrome). Dual origin of Gantzer muscle forms tunnel which includes median nerve, this report reveals unique anatomical scenario where Gantzer muscle may compress and entrap median nerve.: Present study reported dual origin of gantzer muscles in right forearm. It was pierced by median nerve and brachial artery. Two anterior interroseous artery emerged from common interroseous artery. Later, both anterior interroseous artery anastomosed with posterior interroseous artery.: This variation is clinically significant since symptoms of median nerve compression caused by comparable changes are sometimes mistaken with symptoms caused by more prevalent causes like radiculopathy, carpal tunnel syndrome.: Noticed variation is particularly beneficial to hand surgeons since this unusual muscle serves as anatomical reference for procedures in this region. The safety and effectiveness of surgery are improved by knowledge of nerve variations. To the best of our knowledge, this variant has not been mentioned in current medical literature.
:甘特泽肌是前臂的变种。它们可能会导致影响正中神经或前叉间神经的压迫性神经病(Kiloh Nevin 综合征)。甘特泽肌的双重起源形成了包括正中神经在内的隧道,本报告揭示了甘特泽肌可能压迫和卡住正中神经的独特解剖情况:本研究报告了右前臂甘特泽肌的双重起源。它被正中神经和肱动脉穿透。两条腓肠肌前动脉从腓肠肌总动脉穿出。之后,两条前鱼际动脉与后鱼际动脉吻合:这种变化在临床上具有重要意义,因为由类似变化引起的正中神经压迫症状有时会被误认为是由更常见的病因(如神经根病、腕管综合征)引起的症状:注意到这种变化对手外科医生特别有益,因为这种不寻常的肌肉可作为该区域手术的解剖参考。对神经变异的了解可以提高手术的安全性和有效性。据我们所知,目前的医学文献中还没有提到过这种变异。
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引用次数: 0
Cadaveric and ultrasonographic morphometry of cervicothoracic ganglion (Stellate ganglion) 颈胸神经节(星状神经节)的尸体和超声形态测量法
Pub Date : 2024-07-15 DOI: 10.18231/j.ijcap.2024.018
Saurabh Kulkarni, Savita Mhetre, Archana Kalyankar, S. Sukre
: Stellate ganglion block (SGB) inhibits sympathetic innervation and is a common treatment for reflex sympathetic dystrophy. During the positioning of the needle, there is a risk of injury to the adjacent structures. Cardiac sympathetic denervation (CSD) to treat ventricular arrhythmias (VAs) requires transection at the middle or lower third of stellate (cervicothoracic) ganglia (SG). However, the morphological appearance of the adult SG and its distribution are not well described. : To determine the morphology of left and right SG (LSG and RSG) and their relations with adjacent structures. 1. Cadaveric: LSG and RSG (n=30) from 15 embalmed adult cadavers were dissected intact. Weights, volume, height, morphologic appearance, relationship between C8 and T1 ganglia (which form the SG) were determined. 2. Ultra-sonographic: Fifty adult patients enrolled for other than neck pathology evaluation were included. The size, shape, the relationship between the superior pole of SG and the transverse process of C7, the relationship between the superior pole of SG and the inferior thyroid artery, and the relationships between SG and other surrounding tissues were evaluated. 1. Cadaveric part: Three distinct morphologies of SG were identified: fusiform-rounded; fusiform-elongated; and bi-lobed. RSG and LSG did not differ in weight or volume. RSG were longer than LSG. Bi-lobed morphology was most common in RSGs while fused, elongated was most common in LSG 2. Ultra-sonographic part: it was difficult to visualize SG No significant differences found in thickness and cress-sectional area on right and left side. In fact, 60% of SGs were located in the C7 transverse process level, 75% of SGs were located under the inferior thyroid artery, and all of these SGs were located lateral to the thyroid gland and medial to the anterior scalene muscle and the vagus nerve.: Knowledge of the stellate ganglia’s morphology may help for greater precision and accuracy in the transection of the lower half to distal third of the SG during stellate ganglionectomy to treat cardiac arrhythmias. Ultra-sonographic guided SGB may improve safety and allows the visualization of the local anesthetic injection site. Studying the local anesthetic spread might allow the avoidance of side effects as well as typical complications of SGB. Thus, potentially improving both the safety and efficacy of the procedure.
:星状神经节阻滞(SGB)可抑制交感神经支配,是治疗反射性交感神经营养不良的常用方法。在定位穿刺针时,有可能伤及邻近结构。治疗室性心律失常(VAs)的心脏交感神经去支配(CSD)需要横断星状(颈胸)神经节(SG)的中下部三分之一。然而,成人星状神经节的形态外观及其分布尚未得到很好的描述。 目的:确定左右星状神经节(LSG 和 RSG)的形态及其与邻近结构的关系。1.尸体:完整解剖 15 具尸体的 LSG 和 RSG(n=30)。确定了重量、体积、高度、形态外观以及 C8 和 T1 神经节(构成 SG)之间的关系。2.超声声像图:包括 50 名因颈部病理评估以外的原因而入院的成年患者。对SG的大小、形状、SG上极与C7横突的关系、SG上极与甲状腺下动脉的关系以及SG与其他周围组织的关系进行了评估。1.尸体部分:确定了 SG 的三种不同形态:纺锤形圆形、纺锤形长形和双叶形。RSG 和 LSG 在重量和体积上没有差异。RSG 比 LSG 长。RSG中最常见的是双叶形态,而LSG中最常见的是融合拉长形态。 2.超声声像图部分:很难观察到SG 左右两侧的厚度和压痕截面积没有发现明显差异。事实上,60%的星状神经节位于C7横突水平,75%的星状神经节位于甲状腺下动脉下方,所有这些星状神经节均位于甲状腺外侧、前头皮肌和迷走神经内侧:了解星状神经节的形态有助于在星状神经节切除术治疗心律失常时更精确地切除星状神经节的下半部到远端三分之一。超声纳图引导下的 SGB 可提高安全性,并可观察局麻药注射部位。研究局部麻醉剂的扩散情况可避免 SGB 的副作用和典型并发症。因此,有可能提高手术的安全性和有效性。
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引用次数: 0
To assess the effectiveness of intravenous metronidazole as an analgesic in post hemorrhoidectomy patients 评估静脉注射甲硝唑作为痔疮切除术后患者镇痛剂的效果
Pub Date : 2024-07-15 DOI: 10.18231/j.ijcap.2024.022
A. Khare, Kuldeep Pratap Patel, Ravi Pratap Singh
Haemorrhoids are one of the most common anorectal diseases for referral to a surgeon. Haemorrhoidectomy one of the most common anorectal procedures performed. Complaints pertaining to haemorrhoids are one of the most common afflictions of western civilizations. Although the condition is rarely life threatening the complications of therapy can be.: Prospective comparative interventional study to assess the effectiveness of intravenous metronidazole as an analgesic in post hemorrhoidectomy patients was conducted from 1st March 2022 to 31 August 2023 in the department of General Surgery birsa munda government Medical College & Hospital, Shahdol (M.P.).: This study included adult patients (over 18 years old) who presented to the surgical outpatient department with rectal bleeding and were diagnosed with grade 3 or 4 hemorrhoids.Patients below 18 years of age, pregnancy, Lactation, other anorectal disease, previous anorectal disease, hypersensibility to metronidazole, Coagulation disorder, Anaesthetically unfit patients excluded. The mean VAS score between Group A (Metronidazole group) and Group B(placebo group) was 1.76 and 0.49 immediately after the procedure, 3.52 and 0.59 after 6 hours of surgery, 3.16 and 0.77 after 12 hours of surgery, 3.24 and 0.63 after 1 day of surgery and 2.72 and 0.62 after 3 days of procedure, which were all statistically significant when compared. : Intravenous Metronidazole has a favourable effect in pain control in the post hemorrhoidectomy patients in addition to antimicrobial effect. Patient satisfication rates and return back to normal activity seems to be better with Intravenous metronidazole. With the above mentioned observations, we inferred that metronidazole showed a better pain control when compare to the placebo group.
痔疮是转诊给外科医生的最常见肛肠疾病之一。痔疮切除术是最常见的肛门直肠手术之一。痔疮是西方文明中最常见的疾病之一。虽然痔疮很少危及生命,但治疗过程中的并发症却可能导致生命危险:2022年3月1日至2023年8月31日,在沙赫多尔(孟加拉省)比尔萨-蒙达政府医学院和医院普外科进行了一项前瞻性比较干预研究,以评估静脉注射甲硝唑作为痔疮切除术后患者镇痛剂的有效性:研究对象包括因直肠出血到外科门诊就诊并被确诊为 3 级或 4 级痔疮的成年患者(18 岁以上),不包括 18 岁以下、怀孕、哺乳、其他肛门直肠疾病、既往肛门直肠疾病、甲硝唑过敏、凝血功能障碍、麻醉不适宜的患者。甲组(甲硝唑组)和乙组(安慰剂组)的平均 VAS 评分分别为:术后即刻 1.76 分和 0.49 分,术后 6 小时 3.52 分和 0.59 分,术后 12 小时 3.16 分和 0.77 分,术后 1 天 3.24 分和 0.63 分,术后 3 天 2.72 分和 0.62 分。静脉注射甲硝唑除具有抗菌作用外,还对痔疮切除术后患者的疼痛控制具有良好效果。患者对静脉注射甲硝唑的满意度和恢复正常活动的情况似乎更好。根据上述观察结果,我们推断与安慰剂组相比,甲硝唑能更好地控制疼痛。
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引用次数: 0
Bilateral kinking of extracranial part of internal carotid artery with coiling and tortuosity of external carotid artery 双侧颈内动脉颅外部分扭结,颈外动脉盘绕迂曲
Pub Date : 2024-07-15 DOI: 10.18231/j.ijcap.2024.026
Urvi Sharma, A. Tirpude
A rare anatomic anomaly known as the twisted carotid artery is characterized by vascular elongation that results in an altered path. It could be an unexpected finding or have symptoms that are clinically noteworthy. The internal carotid artery or, less frequently, the common carotid artery is the most typical site. Additionally, bilateral tortuous carotid arteries may develop, resulting in "kissing carotids," a condition in which the carotid arteries are opposed one another. : This case report describes the bilateral presence of numerous loops in the exterior and internal carotid arteries of an adult 65 years old male cadaver. : These loops may cause a reduction in blood flow to certain areas of the head and neck. It is essential for understanding these unusual loops for different surgical procedures. The aim of this paper is to enlighten physicians about the variations in these variants' etiology, anatomical characteristics, and associated clinical implications.
颈动脉扭曲是一种罕见的解剖异常,其特点是血管拉长,导致路径改变。它可能是一种意外发现,或具有临床上值得注意的症状。颈内动脉或较少见的颈总动脉是最典型的部位。此外,双侧迂曲的颈动脉也可能导致 "吻合颈动脉",即颈动脉彼此相对的情况。 本病例报告描述了一具 65 岁男性尸体的颈内动脉和颈外动脉双侧存在大量迂曲:这些迂曲可能导致头颈部某些区域的血流量减少。了解这些不寻常的环路对不同的外科手术至关重要。本文旨在让医生了解这些变异的病因、解剖特点和相关的临床影响。
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引用次数: 0
A study on morphometry of cranium and its index in dry human skulls of north India 印度北部干燥人类头骨的颅骨形态测量及其指数研究
Pub Date : 2024-07-15 DOI: 10.18231/j.ijcap.2024.020
Pankaj Kumar, Sadakat Ali
Cranial indices, derived from skull measurements, are fundamental tools in cranial anthropometry. Establishing standard values for these indices is crucial for anatomists and craniofacial surgeons performing cranial reconstructions. This study aimed to establish baseline data on cranial morphology and calculate cranial indices. One hundred dry skulls of unknown sex were measured in the Department of Anatomy at Shri Guru Ram Rai Institute of Medical and Health Sciences, Dehradun. Cranial length and breadth were measured, and the cranial index was calculated. Cranial types were also classified. The mean cranial length was 190.90 mm, with a mean breadth of 139.40 mm. The cranial index was 73.03. Mesocranic (48%) and dolichocranic (42%) skulls were the most prevalent, while brachycranic (8%) and hyper-brachycranic (2%) skulls were less common. This study provides baseline data on cranial morphometry in an unknown population sample. The results suggest a predominance of mesocranic and dolichocranic head shapes.
根据头骨测量得出的颅骨指数是颅骨人体测量的基本工具。为这些指数建立标准值对于解剖学家和颅面外科医生进行颅骨重建至关重要。本研究旨在建立颅骨形态基线数据并计算颅骨指数。在德拉敦 Shri Guru Ram Rai 医学与健康科学研究所的解剖学系测量了 100 个性别不明的干头骨。测量了头盖骨的长度和宽度,并计算了头盖骨指数。同时还对颅骨类型进行了分类。颅骨的平均长度为 190.90 毫米,平均宽度为 139.40 毫米。颅骨指数为 73.03。中颅(48%)和多颅(42%)头骨最为常见,而腕颅(8%)和超腕颅(2%)头骨较少见。这项研究提供了一个未知人群样本的颅骨形态测量基线数据。研究结果表明,中颅和多颅头形占主导地位。
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引用次数: 0
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Indian journal of clinical anatomy and physiology
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