解剖学会夏季会议,班戈 2023 年:动态解剖学:随着时间的推移而发生的进化和发展变化

IF 1.8 3区 医学 Q2 ANATOMY & MORPHOLOGY Journal of Anatomy Pub Date : 2024-04-10 DOI:10.1111/joa.14042
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引用次数: 0

摘要

O1 早期类人猿中的两足动物还是两足动物?英国利物浦大学罗宾-克伦普顿(Robin Crompton)关于东非和南非是否可能同时存在多个南猿物种的争论由来已久。最近,有人根据脚的功能和脚印形状,声称东非的南猿存在多种形式的两足动物和多个物种。然而,有证据表明现代人足部压力的变异性非常大,而且神经生物学退化理论也被越来越多的人所接受,该理论预测在复杂的多元素附肢中,相同的外力可由许多不同的软硬组织相互作用产生,因此这一论点被大大削弱了。在南非,争论的焦点集中在牙齿和颅骨形态上。在这里,我们重点研究了来自 Sterkfontein Member 2 的 3.67 Ma Australopithecus prometheus StW 573 的前胸(os coxa)形态。与当代人、古当代人和活人数据集相比,形态学的判别分析显示,StW 573 的髂骨宽度和胯骨长度与来自第 4 组的 StW 431 属于现代人,并与同样来自 Sterkfontein 第 4 组的 Sts 14、AL-288-1 Australopithecus afarensis 以及令人惊讶的 WT-15000 Homo ergaster 区分开来,它们都在我们的模型人类样本范围之外。洛夫乔伊(Lovejoy)的启发式阿尔迪比特人(Ardipithecus ramidus)先天模型介于现代人和其他类人猿之间。斯沃特克兰斯的 SK-50 似乎与 StW 573 和 StW 431 相似。这对猿人的腹部特征和股骨颈的共同坚固性表明,它们产生和支撑着更大的屈曲力,这很可能是因为它们更频繁地两足行走,而较少攀爬。正如 Walker 和 Ruff 所说,WT-15000 的形态似乎与其 "尼罗河人 "的体型有关。总之,我们的研究结果支持在斯特克方丹存在两个种类的南猿。
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Summer Meeting of the Anatomical Society, Bangor 2023: Dynamic Anatomy: Evolutionary and Developmental Change through Time
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来源期刊
Journal of Anatomy
Journal of Anatomy 医学-解剖学与形态学
CiteScore
4.80
自引率
8.30%
发文量
183
审稿时长
4-8 weeks
期刊介绍: Journal of Anatomy is an international peer-reviewed journal sponsored by the Anatomical Society. The journal publishes original papers, invited review articles and book reviews. Its main focus is to understand anatomy through an analysis of structure, function, development and evolution. Priority will be given to studies of that clearly articulate their relevance to the anatomical community. Focal areas include: experimental studies, contributions based on molecular and cell biology and on the application of modern imaging techniques and papers with novel methods or synthetic perspective on an anatomical system. Studies that are essentially descriptive anatomy are appropriate only if they communicate clearly a broader functional or evolutionary significance. You must clearly state the broader implications of your work in the abstract. We particularly welcome submissions in the following areas: Cell biology and tissue architecture Comparative functional morphology Developmental biology Evolutionary developmental biology Evolutionary morphology Functional human anatomy Integrative vertebrate paleontology Methodological innovations in anatomical research Musculoskeletal system Neuroanatomy and neurodegeneration Significant advances in anatomical education.
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