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Fang shape varies with ontogeny and sex in the venomous elapid snake Pseudonaja affinis
Fang shape varies with ontogeny and sex in the venomous elapid snake Pseudonaja affinis
Abstract A predator's preferred prey often changes over the course of its life as it grows from an inexperienced juvenile ...
Vertebral morphology in extant porpoises: radiation and functional implications
Vertebral morphology in extant porpoises: radiation and functional implications
Abstract Vertebral morphology has profound biomechanical implications and plays an important role in adaptation to differe...
Gonad morphology of Rhyacichthys aspro (Valenciennes, 1837), and the diagnostic reproductive morphology of gobioid fishes
Gonad morphology of Rhyacichthys aspro (Valenciennes, 1837), and the diagnostic reproductive morphology of gobioid fishes
Abstract Rhyacichthys aspro is a ‘basal’ taxon in the Suborder Gobioidei of the teleost order Gobiiformes. W...
Morphology and seasonality of the sexual segment of the kidney in genus Bothrops snakes
Morphology and seasonality of the sexual segment of the kidney in genus Bothrops snakes
Abstract In Squamata, the sexual segment of the male kidney (SSK) produces secretory granules that are transmitted to the ...
Osteodentin in the Atlantic wolffish (Anarhichas lupus): dentin or bone?
Osteodentin in the Atlantic wolffish (Anarhichas lupus): dentin or bone?
Abstract The teeth of actinopterygian fish, like those of mammals, consist of a thin outer hyper-mineralized layer (enamel...
Evolution and development of parrot pseudoteeth
Evolution and development of parrot pseudoteeth
Abstract Parrot embryos carry peculiar appendages at their developing beak that have been described as pseudoteeth. To bet...
Pacific Spiny Lumpsucker armor ‐ development, damage, and defense in the intertidal
Pacific Spiny Lumpsucker armor ‐ development, damage, and defense in the intertidal
Abstract Predation, combat, and the slings and arrows of an abrasive and high impact environment, represent just some of t...
Small, but smart: fine structure of an avicularium in Dendrobeania fruticosa (Bryozoa: Cheilostomata)
Small, but smart: fine structure of an avicularium in Dendrobeania fruticosa (Bryozoa: Cheilostomata)
Abstract Bryozoans are small benthic suspension-feeding colonial animals. Among this phylum, there are representatives sho...
Sucker formation in a bigfin reef squid: Comparison between arms and tentacles
Sucker formation in a bigfin reef squid: Comparison between arms and tentacles
Abstract Cephalopods have acquired numerous novelties and expanded their habitats to various marine environments as highly...
Development of the temporomandibular joint in miniature pig embryos
Development of the temporomandibular joint in miniature pig embryos
Abstract The temporomandibular joint (TMJ) is a synovial joint involved in sliding and hinge movements of lower jaw in mam...
Dentin hardness differences across various mammalian taxa
Dentin hardness differences across various mammalian taxa
Abstract Differences in dentin microstructure have been used as a tool for dietary reconstruction; however, the extent tha...
The morphology of the suboccipital region in snakes, and the anatomical and functional diversity of the myodural bridge
The morphology of the suboccipital region in snakes, and the anatomical and functional diversity of the myodural bridge
Abstract The myodural bridge, i.e., skeletal muscle fibers attaching to the cervical dura mater, has been described from a...
Morphology and postnatal ontogeny of the cranial endocast and paranasal sinuses of capybara (Hydrochoerus hydrochaeris), the largest living rodent
Morphology and postnatal ontogeny of the cranial endocast and paranasal sinuses of capybara (Hydrochoerus hydrochaeris), the largest living rodent
Abstract Recent studies have analyzed and described the endocranial cavities of caviomorph rodents. However, no study has ...
Dental topographic and three‐dimensional geometric morphometric analysis of carnassialization in different clades of carnivorous mammals (Dasyuromorphia, Carnivora, Hyaenodonta)
Dental topographic and three‐dimensional geometric morphometric analysis of carnassialization in different clades of carnivorous mammals (Dasyuromorphia, Carnivora, Hyaenodonta)
Abstract The evolution of carnassial teeth in mammals, especially in the Carnivora, has been subject of many morphometric ...
A morphological and morphometric approach to study Ophiuroidea (Echinodermata): size changes of Ophiocomella alexandri
A morphological and morphometric approach to study Ophiuroidea (Echinodermata): size changes of Ophiocomella alexandri
Abstract Studies on size changes of Ophiuroidea are limited, despite their importance and implications in taxonomy, phylog...
Chemical phenotypes of intrinsic cardiac neurons in the newborn pig (Sus scrofa domesticus Erxleben, 1777)
Chemical phenotypes of intrinsic cardiac neurons in the newborn pig (Sus scrofa domesticus Erxleben, 1777)
Abstract Intrinsic cardiac neurons (ICNs) are crucial cells in the neural regulation of heart rhythm, myocardial contracti...
Histology and ultrastructure of the gastrointestinal tract in four temperate marine herbivorous fishes
Histology and ultrastructure of the gastrointestinal tract in four temperate marine herbivorous fishes
Abstract While alimentary tract anatomy in many terrestrial herbivorous vertebrates is well documented, the digestive syst...
Setal descriptions, locations, and abundances: their impacts on decorating behaviors in the spider crab Libinia (Crustacea: Epialtidae)
Setal descriptions, locations, and abundances: their impacts on decorating behaviors in the spider crab Libinia (Crustacea: Epialtidae)
Abstract The setal abundances and distributions of the spider crab Libinia are examined, using two species. These spider c...
Virtual and Augmented Reality: new tools for visualizing, analyzing, and communicating complex morphology
Virtual and Augmented Reality: new tools for visualizing, analyzing, and communicating complex morphology
Abstract Virtual and augmented reality (VR/AR) are new technologies with the power to revolutionize the study of morpholog...
Sand accumulation in the digestive tract of rabbits (Oryctolagus cuniculus) and guinea pigs (Cavia porcellus): the role of the appendix
Sand accumulation in the digestive tract of rabbits (Oryctolagus cuniculus) and guinea pigs (Cavia porcellus): the role of the appendix
Abstract We determined location and amount of accumulated sand in the gastrointestinal tract (GIT) of rabbits (Oryctolagus...
Quantifying Nonlinear Temporal Effects of Ethanol Preservation on Round Goby (Neogobius melanostomus) Anatomical Traits
Quantifying Nonlinear Temporal Effects of Ethanol Preservation on Round Goby (Neogobius melanostomus) Anatomical Traits
Abstract Geometric morphometrics provides a powerful means of evaluating differences in phenotypic traits among specimens....
Spinal ganglia and peripheral nerves innervating the regenerating tail and muscles of lizards
Spinal ganglia and peripheral nerves innervating the regenerating tail and muscles of lizards
Abstract The present Review summarizes available information on the contribution of regenerating nerves to the process of ...
The hybrid skull of the eastern coyote (Canis latrans var.): nonmetric traits and craniomandibular shape
The hybrid skull of the eastern coyote (Canis latrans var.): nonmetric traits and craniomandibular shape
Abstract The increasing awareness that hybridization, and resultant gene flow, plays a major role in animal diversificatio...
Morphology of parenchymally‐implanted foreign bodies indicates copulatory wounding in a planarian
Morphology of parenchymally‐implanted foreign bodies indicates copulatory wounding in a planarian
Abstract Traumatic mating, i.e., copulation that involves wounding the partner's body, is a widespread phenomenon that is ...
Polypide anatomy of hornerid bryozoans (Stenolaemata: Cyclostomatida)
Polypide anatomy of hornerid bryozoans (Stenolaemata: Cyclostomatida)
Abstract Bryozoans are small colonial coelomates whose colonies are made of individual modules (zooids). Like most coeloma...
The link between avian brachial index, flight capability, and the neornithine evolutionary radiation
The link between avian brachial index, flight capability, and the neornithine evolutionary radiation
Abstract In dictating the relative distances between the elbow, shoulder, and wrist, avian brachial index (BI = humerus/ra...
The squirrel is in the detail: Anatomy and morphometry of the tail in Sciuromorpha (Rodentia, Mammalia)
The squirrel is in the detail: Anatomy and morphometry of the tail in Sciuromorpha (Rodentia, Mammalia)
Abstract In mammals, the caudal vertebrae are certainly among the least studied elements of their skeleton. However, the t...
The rhipidoglossan radula: formation and development in Margarites helicinus Phipps, 1774 (Trochoidea, Vetigastropoda)
The rhipidoglossan radula: formation and development in Margarites helicinus Phipps, 1774 (Trochoidea, Vetigastropoda)
Abstract The gastropod radula exhibits exceptional morphological variability. Despite this enormous diversity, the main pa...
Impact on reproductive performance and body condition in a small limpet parasitized by a large castrator pea crab
Impact on reproductive performance and body condition in a small limpet parasitized by a large castrator pea crab
Abstract Parasitic castrators utilize the energy reserves that the host allocates on reproduction resulting in sterilizati...
Anatomy and evolution of the head of Dorylus helvolus (Formicidae: Dorylinae): Patterns of sex‐ and caste‐limited traits in the sausagefly and the driver ant
Anatomy and evolution of the head of Dorylus helvolus (Formicidae: Dorylinae): Patterns of sex‐ and caste‐limited traits in the sausagefly and the driver ant
Abstract Ants are highly polyphenic Hymenoptera, with at least three distinct adult forms in the vast majority of species....
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