abstract：:Recent molecular phylogenies conflict with traditional scleractinian classification at ranks ranging from suborder to genus, challenging morphologists to discover new characters that better agree with molecular data. Such characters are essential for including fossils in analyses and tracing evolutionary patterns thro...

journal_title：Journal of morphology

authors： Budd AF,Stolarski J

更新日期：2011-01-01 00:00:00

abstract：:The morphology of the spermatozoon of representative species of the subfamily Nesomyinae (Muroidea: Nesomyidae), a monophyletic group of rodents endemic to Madagascar, was examined by light and electron microscopy to determine the sperm head shape and tail length across the species. Marked interspecific differences we...

journal_title：Journal of morphology

authors： Ding X,Leigh CM,Goodman SM,Bedford JM,Carleton MD,Breed WG

更新日期：2010-12-01 00:00:00

abstract：:This work summarizes the observations on 30 species of microdriles belonging to the families Naididae (Rhyacodrilinae, Pristininae, Naidinae, Phallodrilinae, and Tubificinae), Phreodrilidae, Lumbriculidae, and Enchytraeidae using scanning electron microscopy. The lumbricid Eiseniella tetraedra, a megadrile species com...

journal_title：Journal of morphology

authors： Caramelo C,Martínez-Ansemil E

更新日期：2010-12-01 00:00:00

abstract：:This study details the gross and microscopic anatomy of the pelvic kidney in male Ambystoma maculatum. The nephron of male Ambystoma maculatum is divided into six distinct regions leading sequentially away from a renal corpuscle: (1) neck segment, which communicates with the coelomic cavity via a ventrally positioned ...

journal_title：Journal of morphology

authors： Siegel DS,Sever DM,Aldridge RD

更新日期：2010-12-01 00:00:00

abstract：:Despite the attention squamate lizards have received in the study of digit and limb loss, little is known about limb morphogenesis in pentadactyl lizards. Recent developmental studies have provided a basis for understanding lizard autopodial element homology based on developmental and comparative anatomy. In addition,...

journal_title：Journal of morphology

authors： Leal F,Tarazona OA,Ramírez-Pinilla MP

更新日期：2010-11-01 00:00:00

abstract：:Testicular samples were collected to describe the ultrastructure of spermiogenisis in Alligator mississipiensis (American Alligator). Spermiogenesis commences with an acrosome vesicle forming from Golgi transport vesicles. An acrosome granule forms during vesicle contact with the nucleus, and remains posterior until m...

journal_title：Journal of morphology

authors： Gribbins KM,Siegel DS,Anzalone ML,Jackson DP,Venable KJ,Rheubert JL,Elsey RM

更新日期：2010-10-01 00:00:00

abstract：:The olfactory epithelium and the vomeronasal organ of the Japanese striped snake were examined by lectin histochemistry. Of the 21 lectins used in the study, all lectins except succinylated-wheat germ agglutinin (s-WGA) showed similar binding patterns in the vomeronasal receptor cells and the olfactory receptor cells ...

journal_title：Journal of morphology

authors： Kondoh D,Yamamoto Y,Nakamuta N,Taniguchi K,Taniguchi K

更新日期：2010-10-01 00:00:00

abstract：:Most anatomical and physiological studies of the sauropsid heart have focused on species with extraordinary physiologies, and detailed anatomical descriptions of hearts from sauropsids with more common physiologies are therefore warranted. Here, we present a comprehensive study of the cardiac anatomy of the South Amer...

journal_title：Journal of morphology

authors： Jensen B,Abe AS,Andrade DV,Nyengaard JR,Wang T

更新日期：2010-09-01 00:00:00

abstract：:The sharpness and thus information content of the retinal image in the eye depends on the optical quality of the lens and its accurate positioning in the eye. Multifocal lenses create well-focused color images and are present in the eyes of all vertebrate groups studied to date (mammals, reptiles including birds, amph...

journal_title：Journal of morphology

authors： Gustafsson OS,Ekström P,Kröger RH

更新日期：2010-08-01 00:00:00

abstract：:We investigated muscle development in the Japanese flounder Paralichthys olivaceus, focusing primarily on the cranial muscles, using a whole mount immunohistochemical staining method. It is well established that during the very early stages of morphogenesis, until 4 days post hatching (dph), muscles required for feedi...

journal_title：Journal of morphology

authors： Uji S,Kurokawa T,Suzuki T

更新日期：2010-07-01 00:00:00

abstract：:Large pinnae are characteristic of the Leporids, and the pinna is known to have a thermoregulatory role. Another role has been hypothesized for the pinna of Lepus spp., as a part of a suspensory system for the greater portion of the head, absorbing shock that might otherwise interfere with vision during high-speed loc...

journal_title：Journal of morphology

authors： Stott P,Jennings N,Harris S

更新日期：2010-06-01 00:00:00

abstract：:We have studied the gill epithelium of Oreochromis niloticus using transmission electron microscopy with the particular interested relationship between cell morphology and osmotic, immunoregulatory, or other non-regulatory functions of the gill. Pavement cells covered the filament epithelium and lamellae of gills, wit...

journal_title：Journal of morphology

authors： Monteiro SM,Oliveira E,Fontaínhas-Fernandes A,Sousa M

更新日期：2010-05-01 00:00:00

abstract：:The recent discovery of a plethodontid salamander, Karsenia koreana, in Korea challenged our understanding of the biogeographic history of the family Plethodontidae, by far the largest family of salamanders, which otherwise is distributed in the New World with a few European species. Molecular studies suggest that Kar...

journal_title：Journal of morphology

authors： Buckley D,Wake MH,Wake DB

更新日期：2010-05-01 00:00:00

abstract：:At mating, female insects generally receive and store sperm in specific organs of their reproductive tract called spermathecae. Some Heteroptera, such as Cimicomorpha, lack a true spermatheca; some have receptacles of novel formation where sperm cells can transit or be stored. In Tingidae, there are two sac-like diver...

journal_title：Journal of morphology

authors： Marchini D,Del Bene G,Dallai R

更新日期：2010-04-01 00:00:00

abstract：:Several orders of morphologically four-winged insects have evolved mechanisms that enforce a union between the mesothoracic and metathoracic wings (forewings and hindwings) during the wing beat cycle. Such mechanisms result in a morphologically tetrapterous insect flying as if it were functionally dipterous, and these...

journal_title：Journal of morphology

authors： Stocks IC

更新日期：2010-02-01 00:00:00

abstract：:A morphological comparison of the spermatozoa of the octopods Bathypolypus bairdii and B. sponsalis has been carried out by electron microscopy. Although the mature spermatozoon of B. bairdii is longer and thinner than that of B. sponsalis, its general ultrastructure is similar except for some minor differences. Their...

journal_title：Journal of morphology

authors： Roura A,Guerra A,González AF,Pascual S

更新日期：2010-02-01 00:00:00

abstract：:The Hawaiian Drosophilidae possess spectacular diversity in male foreleg modifications, many of which are unknown in other Diptera. The greatest diversity in foreleg morphology is in the antopocerus, modified tarsus, and ciliated tarsus clade (AMC Clade), a group of 95 species. The modified tarsus flies are divided in...

journal_title：Journal of morphology

authors： Stark JB,O'Grady PM

更新日期：2010-01-01 00:00:00

abstract：:The origins and evolution of the three major clades of modern amphibians are still a source of controversy, and no general consensus exists as to their relationship to the various known Paleozoic taxa. This may indicate that additional character complexes should be studied to resolve their phylogenetic relationship. T...

journal_title：Journal of morphology

authors： Sigurdsen T,Bolt JR

更新日期：2009-12-01 00:00:00

abstract：:South American Pipidae show a unique reproductive mode, in which the fertilized eggs develop in temporarily formed brood chambers of the dorsal skin after eggs have been deposited on the back of the female. We studied the skin incubation of Pipa carvalhoi using light microscopy and scanning electron microscopy. The sk...

journal_title：Journal of morphology

authors： Greven H,Richter S

更新日期：2009-11-01 00:00:00

abstract：:Reconstruction of limb posture is a challenging task in assessing functional morphology and biomechanics of extinct tetrapods, mainly because of the wide range of motions possible at each limb joint and because of our poor knowledge of the relationship between posture and musculoskeletal structure, even in the extant ...

journal_title：Journal of morphology

authors： Fujiwara S

更新日期：2009-09-01 00:00:00

abstract：:The medaka, Oryzias latipes, is a model organism in experimental biology. Its ontogeny and osteology have been studied frequently, but no detailed description of its cranial anatomy exists. Based on manual dissections, histological slide sections, and 3D-reconstructions, we describe the anatomy of the jaw apparatus of...

journal_title：Journal of morphology

authors： Werneburg I,Hertwig ST

更新日期：2009-09-01 00:00:00

abstract：:Remarkably preserved specimens of Cowralepis mclachlani Ritchie, 2005 (Proc Linn Soc NSW 126:215-259) (Phyllolepida, Placodermi) represent a unique ontogenetic sequence adding to our understanding of anatomy, function, and phylogeny among basal jawed vertebrates (gnathostomes). A systematic review demonstrates that th...

journal_title：Journal of morphology

authors： Carr RK,Johanson Z,Ritchie A

更新日期：2009-07-01 00:00:00

abstract：:The forelimbs, along with the crania, are an essential part of the prey-killing apparatus in cats. Linear morphometrics of the forelimbs were used to determine the morphological differences between felids that specialize on large prey, small prey, or mixed prey. We also compared the scaling of felid forelimbs to those...

journal_title：Journal of morphology

authors： Meachen-Samuels J,Van Valkenburgh B

更新日期：2009-06-01 00:00:00

abstract：:Odontophoral cartilages are located in the molluscan buccal mass and support the movement of the radula during feeding. The structural diversity of odontophoral cartilages is currently known only from limited taxa, but this information is important for interpreting phylogeny and for understanding the biomechanical ope...

journal_title：Journal of morphology

authors： Golding RE,Ponder WF,Byrne M

更新日期：2009-05-01 00:00:00

abstract：:This article presents a detailed description and illustration of the skull of Liotyphlops albirostris in comparison to the skulls of Typhlophis squamosus, Leptotyphlops dulcis, and Typhlops jamaicensis, based on high-resolution X-ray computed tomography (HRXCT). The skull of T. squamosus is illustrated and discussed i...

journal_title：Journal of morphology

authors： Rieppel O,Kley NJ,Maisano JA

更新日期：2009-05-01 00:00:00

abstract：:Only species belonging to the bryozoan subtaxon Phylactolaemata possess an epistome. To test whether there is a specific coelomic cavity inside the epistome, Fredericella sultana, Plumatella emarginata, and Lophopus crystallinus were studied on the ultrastructural level. In F. sultana and P. emarginata, the epistome c...

journal_title：Journal of morphology

authors： Gruhl A,Wegener I,Bartolomaeus T

更新日期：2009-03-01 00:00:00

abstract：:The colugos, or flying lemurs (Dermoptera), are arboreal gliding mammals that are commonly grouped with tree-shrews (Scandentia) and Primates in the superorder Euarchonta. However, little is known about the head and neck muscles of these gliding mammals. This raises difficulties for the discussion of not only the func...

journal_title：Journal of morphology

authors： Diogo R

更新日期：2009-01-01 00:00:00

abstract：:The abdominal cerci of the wood cricket, Nemobius sylvestris, are covered by a variety of hair-like sensilla that differ in length, thickness, and articulation. Fillings from the cercal nerves with cobalt chloride and fluorescent dyes revealed the projection of sensory axons into the terminal abdominal ganglion of the...

journal_title：Journal of morphology

authors： Insausti TC,Lazzari CR,Casas J

更新日期：2008-12-01 00:00:00

abstract：:The SEM was used to study the development of respiratory structures in successive stages in relation to the overall changes occurring in the scorpions. Book lung development is a slow process, starting with spiracles and a sac-like atrium in the early embryo and continuing lamellar formation to 150 or more in the adul...

journal_title：Journal of morphology

authors： Farley RD

更新日期：2008-09-01 00:00:00

abstract：:The nurse shark, Ginglymostoma cirratum, is an obligate suction feeder that preys on benthic invertebrates and fish. Its cranial morphology exhibits a suite of structural and functional modifications that facilitate this mode of prey capture. During suction-feeding, subambient pressure is generated by the ventral expa...

journal_title：Journal of morphology

authors： Motta PJ,Hueter RE,Tricas TC,Summers AP,Huber DR,Lowry D,Mara KR,Matott MP,Whitenack LB,Wintzer AP

更新日期：2008-09-01 00:00:00

abstract：:The hypotheses of relationships within Lari (gulls) are highly unstable, and depend on whether morphological or molecular data are examined. Developmental sequence data are thought to contain phylogenetic information, but have never been applied to the problem of avian systematics. In this article, we describe the oss...

journal_title：Journal of morphology

authors： Maxwell EE,Harrison LB

更新日期：2008-09-01 00:00:00

abstract：:Liolaemus elongatus (Liolaemidae) is a viviparous, mainly lecithotrophic species with placental structures specialized for uptake of oxygen and inorganic nutrient transport. An allantoplacenta and an omphaloplacenta are present during early embryonic stages (25-28) and there is a moderate distension of the uterine wal...

journal_title：Journal of morphology

authors： Crocco M,Ibarguengoytía NR,Cussac V

更新日期：2008-07-01 00:00:00

abstract：:Eggs of Xenopoecilus sarasinorum possess two distinct types of filaments on the surface of the egg envelope (chorion), long, attaching filaments restricted to the vegetal pole and weak, nonattaching filaments around the animal pole (micropyle). Both types are formed during oogenesis. After mature eggs were spawned thr...

journal_title：Journal of morphology

authors： Iwamatsu T,Kobayashi H,Sato M,Yamashita M

更新日期：2008-06-01 00:00:00

abstract：:The strongly modified mode of development of the small and brooding galeommatoid bivalve Lasaea adansonii (Gmelin, 1791) [syn. Lasaea rubra (Montagu, 1803)] has been studied by means of transmission and scanning electron microscopy and by fluorescent staining of the muscular system and of two neurotracers, FMRFamide a...

journal_title：Journal of morphology

authors： Altnöder A,Haszprunar G

更新日期：2008-06-01 00:00:00

abstract：:The extravagance and diversity of external genitalia have been well characterized in male primates; however, much less is known about sex differences or variation in female form. Our study represents a departure from traditional investigations of primate reproductive anatomy because we 1) focus on external rather than...

journal_title：Journal of morphology

authors： Drea CM,Weil A

更新日期：2008-04-01 00:00:00

abstract：:Profiles with all orientations have been used to visualize the 3D structure of ivory from tusks of elephant, mammoth, walrus, hippopotamus, pig (bush, boar, and warthog), sperm whale, killer whale, and narwhal. Polished, forming, fractured, aged, and stained surfaces were prepared for microscopy using epi-illumination...

journal_title：Journal of morphology

authors： Locke M

更新日期：2008-04-01 00:00:00

abstract：:Despite the embryological and anatomical disparities present among lophotrochozoan phyla, there are morphological similarities in the cellular arrangements of ciliated cells used for propulsion among the nonfeeding larval forms of kamptozoans, nemerteans, annelids, mollusks, and bryozoans. Evaluating whether these sim...

journal_title：Journal of morphology

authors： Santagata S

更新日期：2008-03-01 00:00:00

abstract：:Following a study on the changes occurring in a bdelloid species (Macrotrachela quadricornifera, Rotifera, Bdelloidea) when entering anhydrobiosis, we investigated the changes in morphology, including weight and volume during the transition from the active hydrated to the dormant anhydrobiotic state by scanning electr...

journal_title：Journal of morphology

authors： Ricci C,Caprioli M,Fontaneto D,Melone G

更新日期：2008-02-01 00:00:00

abstract：:Sabellid and sabellariid polychaetes are regarded as sister groups in a number of recent phylogenetic analyses. This is based mainly on a shared specific arrangement of chaetae referred to as chaetal inversion. Remarkably, the uncini have a notopodial position in the abdomen, whereas capillary chaetae occur in the neu...

journal_title：Journal of morphology

authors： Kieselbach D,Hausen H

更新日期：2008-01-01 00:00:00

abstract：:The morphology of the musculature and connective tissues of the arms of Octopus bimaculoides was analyzed with light microscopy. We also studied O. briareus and O. digueti, which possess relatively more elongate and less elongate arms, respectively. The morphology of the arms was found to be remarkably uniform among s...

journal_title：Journal of morphology

authors： Kier WM,Stella MP

更新日期：2007-10-01 00:00:00