Osteology of the Feeding Apparatus of Chilean Flamingo Phoenicopterus chilensis (Aves: Phoenicopteridae) [0.03%]
智利火烈鸟取食器官的骨学研究(Phoenicopteridae:P.chilensis)
Oscar Aldana Ardila,Caio J Carlos
Oscar Aldana Ardila
Flamingos (Phoenicopteridae) feed using a uniquely adapted bill that extracts small particles from the water and sediments. This study provides a detailed osteological description of the skull of the Chilean Flamingo (Phoenicopterus chilens...
Testicular Morphology and Spermatogenesis in Potamotrygon motoro: Insights Into Reproduction of Freshwater Stingrays [0.03%]
Potamotrygon motoro河豚的睾丸形态和精子发生:关于淡水河豚繁殖的新见解
Maria Luiza Ribeiro Delgado,Patricia Postingel Quirino,Luciane Gomes-Silva et al.
Maria Luiza Ribeiro Delgado et al.
This study investigated the spermatogenesis of the freshwater stingray Potamotrygon motoro using microscopic analyses. The testes of this species were described as being composed of germinal zones, a degenerated zone, and the epigonal organ...
Functional Morphology of the Archosaur Neck Provides Evolutionary Insights Into the Avian Neck Flexibility [0.03%]
主龙类颈部的功能解剖为鸟类颈部灵活性的演化提供新见解
Yohei Utsuki,Yoshitsugu Kobayashi
Yohei Utsuki
The amniote neck has evolved extensive mobility and this has contributed to functional and ecological diversification across the clade. Among amniotes, extant birds exhibit an S-shaped neck with multiple flexion points and displays signific...
Morphological Adaptations for Shell Anchoring in Calcinus tibicen: Insights From µCT Imaging, Histology and Scanning Electron Microscopy [0.03%]
Calcinus tibicen寄居蟹壳内的锚定结构及功能的微米层析成像、组织切片和扫描电镜分析
Alexandre R da Silva,Carolina Siqueira Safra Terra Melo,Giselle Pinto de Faria Lopes et al.
Alexandre R da Silva et al.
Hermit crabs rely on external shells for protection due to their non-calcified pleons. This study focuses on the anatomical features and functional roles of various appendages in Calcinus tibicen to understand their mechanisms for shell anc...
Ecological Inference From Isolated Vertebrae: Evaluating Functional Signal Across the Carnivoran Spine [0.03%]
基于孤立椎骨的生态推断:评估食肉动物脊柱的功能信号
Julia A Schwab,Borja Figueirido,Katrina E Jones
Julia A Schwab
Understanding the ecological adaptations of extinct species is a central goal in vertebrate palaeontology, but is often limited by the incomplete nature of the fossil record. While skulls and limb bones have traditionally been emphasised in...
Roles of Femoral Biarticular and Monoarticular Muscles in Cat Walking: A Comparative Review With Dogs, Horses, and Humans [0.03%]
猫行走时股二头肌和股直肌的作用:与狗、马和人的比较综述
Tsutomu Miyake,Hiroshi Koie,Kanto Nishikawa et al.
Tsutomu Miyake et al.
This review applied the two-joint link model to review the functional roles of femoral biarticular, monoarticular and lower leg muscles during walking in domestic cats, with comparative insights from dogs, horses and humans. Electromyograph...
Histological and Immunohistochemical Analyses on the Formation of the Split Plane in Developing Autotomous Tail Vertebrae of the Lizard Anolis lineatopus [0.03%]
一种蜥蜴Anolis lineatopus自断尾的分界面形成的组织学和免疫组织化学研究分析
Lorenzo Alibardi
Lorenzo Alibardi
The present histological, autoradiographic, and immunohistochemical study describes the maturation of caudal vertebrae and the origin of autotomous planes in the embryo of the lizard Anolis lineatopus. Autotomous vertebrae associated with c...
Tomás Fornari,Johannes Müller
Tomás Fornari
Previous research on bone microanatomy in amphibians suggests a correlation of microanatomical traits with both environmental and phylogenetic factors, but so far, studies had been limited to long bones. Using Pipoidea, a uniquely adapted c...
The Ear in Subterranean Rodents Revisited: Cochlear Hair-Cell Populations in African Mole-Rats (Bathyergidae) [0.03%]
重访地下啮齿动物的听觉系统:非洲 mole-rat(Bathyergidae)耳蜗毛细胞群系研究
Lucie Svačinová,Simone Lange,Matěj Lövy et al.
Lucie Svačinová et al.
Based on von Békésy's premise that "The physical laws served as guidelines for the evolution of the structures and functions of the middle and inner ear," we aimed to understand how the unique subterranean acoustic environment, which prom...
Toward the Origin and Evolution of Unique Echiurid Excretory Organs: New Data From Females of Bonellia viridis [0.03%]
绿色骨螺属雌性螠体独特排泄器官的起源与演化的新数据
Peter Kuznetsov,Elena Temereva
Peter Kuznetsov
Echiurids, as nonsegmented annelids, have an excretory system of a special organization. The excretory system of the echiuran worms is known to consist of ultrafiltration zones on blood vessels and anal sacs. Prior to this study, the fine s...