Cytoarchitectonic study of the brain of a perciform species, the sea bass (Dicentrarchus labrax). II. The diencephalon.

abstract：:The endorgans of the inner ear of the gar were examined using transmission and scanning electron microscopy as well as nerve staining. The ultrastructure of the sensory hair cells and supporting cells of the gar ear are similar to cells in other bony fishes, whereas there are significant differences between the gar an...

journal_title：Journal of morphology

authors： Mathiesen C,Popper AN

更新日期：1987-11-01 00:00:00

abstract：:The mode of sexual reproduction and embryogenesis was compared in 3 species of Botrylloides: B. simodensis, B. lenis, and B. violaceus. In all species, a testis and an egg (occasionally 2 eggs), the former being anterior to the latter, mature in the mantle on either side of a zooid. The egg is surrounded by 2 follicul...

journal_title：Journal of morphology

authors： Mukai H,Saito Y,Watanabe H

更新日期：1987-09-01 00:00:00

abstract：:Cover illustration. Mayetiola destructor is a major pest of wheat in Europe, North Africa and North America. In this issue of the Journal of Morphology, Schneeberg et al. (pp. 1299-1311) investigate the adult head structures of the cecidomyiid fly and compared their findings with evolutionarily less successful familie...

journal_title：Journal of morphology

authors： Schneeberg K,Polilov A,Harris MO,Beutel RG

更新日期：2013-11-01 00:00:00

abstract：:The form and function of the hesperiid feeding apparatus was studied in detail. The butterflies in the family Hesperiidae are of particular interest because the longest proboscis ever recorded in Papilionoidea was found in the Neotropical genus Damas. We focused on the functional morphology by comparing proboscis morp...

journal_title：Journal of morphology

authors： Krenn HW,Bauder JA

更新日期：2018-03-01 00:00:00

abstract：:The antennal circulatory organ of Periplaneta americana and Blaberus craniifer was investigated by light and electron microscopy. This organ consists of two pulsatile ampullae located near the antennal base which are interconnected by a large transverse muscle and associated blood vessels which run into the antennae. ...

journal_title：Journal of morphology

authors： Pass G

更新日期：1985-08-01 00:00:00

abstract：:The octavolateralis area of actinopterygian fishes can be subdivided into a dorsal lateralis area composed of first-order lateral line nuclei, and a ventral octavus area composed of nuclei receiving first-order input from the eighth nerve. Three patterns of organization of the lateralis area are recognized in the pres...

journal_title：Journal of morphology

authors： McCormick CA

更新日期：1982-02-01 00:00:00

abstract：:Three lineages of cartilaginous fishes have independently evolved filter feeding (Lamniformes: Megachasma and Cetorhinus, Orectolobiformes: Rhincodon, and Mobulidae: Manta and Mobula); and the structure of the branchial filters is different in each group. The filter in Rhincodon typus has been described; species withi...

journal_title：Journal of morphology

authors： Paig-Tran EW,Kleinteich T,Summers AP

更新日期：2013-09-01 00:00:00

abstract：:We investigated if and how the inner ear region undergoes similar adaptations in small, fossorial, insectivoran-grade mammals, and found a variety of inner ear phenotypes. In our sample, afrotherian moles (Chrysochloridae) and the marsupial Notoryctes differ from most other burrowing mammals in their relatively short ...

journal_title：Journal of morphology

authors： Crumpton N,Kardjilov N,Asher RJ

更新日期：2015-08-01 00:00:00

abstract：:The orbital Harderian gland of the common tree shrew (Tupaia glis) was investigated at the macroscopic and microscopic levels. In the glands of both sexes only one acinar cell type was found. The cell is characterized by the presence of numerous lipid vacuoles of variable size and by a small number of PAS-positive, el...

journal_title：Journal of morphology

authors： Pradidarcheep W,Asavapongpatana S,Mingsakul T,Poonkhum R,Nilbu-nga S,Somana R

更新日期：2003-03-01 00:00:00

abstract：:Shape and age variation in dentition of Paleogene extinct native South American ungulates (Notoungulata) has been traditionally described using qualitative and quantitative approaches, and has played a controversial role in the systematics of several groups. Such is the case of the Notopithecidae, a group of notoungul...

journal_title：Journal of morphology

authors： Scarano AC,Vera B

更新日期：2018-02-01 00:00:00

abstract：:To provide basic data about bone resorbing cells in the skeleton during the life cycle of Danio rerio, larvae, juveniles, and adults (divided into six age groups) were studied by histological procedures and by demonstration of the osteoclast marker enzyme tartrate-resistant acid phosphatase (TRAP). Special attention w...

journal_title：Journal of morphology

authors： Witten PE,Hansen A,Hall BK

更新日期：2001-12-01 00:00:00

abstract：:Basket stars, that is, Ophiuroidea in Echinodermata, exhibit distinctive morphological characteristics with their complicatedly branched arms that can regenerate immediately after mutilation. Although, in brittle stars, that is, ophiuroids with nonbranched arms, the arm regeneration process following accidental trauma...

journal_title：Journal of morphology

authors： Okanishi M,Kohtsuka H,Miura T

更新日期：2021-02-01 00:00:00

abstract：:Osmotically induced alterations in the ultrastructure of the apical crypts of chloride cells and changes in chloride efflux were studied in striped bass (Morone saxatilis). Striped bass were divided into three groups: fish adapted to freshwater, fish transferred directly from freshwater to 100% seawater (3% salt, w/v)...

journal_title：Journal of morphology

authors： King JAC,Hossler FE

更新日期：1991-08-01 00:00:00

abstract：:The Eurasian lynx (Lynx lynx) is a medium-sized felid, with a tendency to hunt for prey larger than itself. We studied the lynx hindlimb musculoskeletal anatomy in order to determine possible anatomical adaptations to hunting large prey. In our previous work, we had found characters of both large and small felids in t...

journal_title：Journal of morphology

authors： Viranta S,Holmala K,Laakkonen J

更新日期：2021-01-25 00:00:00

abstract：:Gross lung morphology is examined in representative species from four genera within the order Lagomorpha (Lepus californicus, Sylvilagus nuttalli, Oryctolagus cuniculus, Ochotona princeps), and compared with a representative rodent out-group (Spermophilus richardonsii). Examination of pulmonary morphology reveals seve...

journal_title：Journal of morphology

authors： Simons RS

更新日期：1996-12-01 00:00:00

abstract：:Rickettsiae-like structures were found in the salivary gland cells of Drosophila auraria during different larval and prepupal developmental stages, from the early 3rd instar up to 14 hr after spiracle inversion. These microorganisms are surrounded by a membrane, are constantly intracellular, and occur singly or in gro...

journal_title：Journal of morphology

authors： Thomopoulos GN,Neophytou EP,Limberi-Thomopoulos S

更新日期：1991-01-01 00:00:00

abstract：:The prowfish, Zaprora silenus, is the sole member of the family Zaproridae. It is a large, relatively elongate species with a robust head and body, and it feeds primarily on jellyfishes. Although the larvae and juveniles are pelagic, the adults are demersal, and the species is widely distributed from Southern Californ...

journal_title：Journal of morphology

authors： Hilton EJ,Stevenson DE

更新日期：2013-10-01 00:00:00

abstract：:The skull of the rare bolyeriid snake Casarea dussumieri is described in detail based on high-resolution X-ray CT data. Bolyeriids are unique in their possession of a separate suborbital ossification and a maxilla subdivided into two movably jointed parts, which may be the result of paedomorphic truncation of the deve...

journal_title：Journal of morphology

authors： Maisano JA,Rieppel O

更新日期：2007-05-01 00:00:00

abstract：:Formation of the first epidermal layers in the embryonic scales of the lizard Lampropholis guichenoti was studied by optical and electron microscopy. Morphogenesis of embryonic scales is similar to the general process in lizards, with well-developed overlapping scales being differentiated before hatching. The narrow o...

journal_title：Journal of morphology

authors： Alibardi L,Thompson MB

更新日期：1999-08-01 00:00:00

abstract：:Nuclear and cytoplasmic volume changes as well as the elimination of residual spermatid cytoplasm were investigated in the red-ear turtle (Pseudemys scripta) and the rooster (Gallus domesticus). Nuclei of newly formed spermatids which were originally centrally located became eccentrically located within the cell in bo...

journal_title：Journal of morphology

authors： Sprando RL,Russell LD

更新日期：1988-10-01 00:00:00

abstract：:Timed-sequence studies have shown that reticulate scales on the ventral footpads of birds do not undergo "epidermal placode" formation during their morphogenesis, but arise as symmetrical evaluations similar to the scales of snakes and lizards. Unlike the scutellate scales on the dorsal surface of the foot, in which t...

journal_title：Journal of morphology

authors： Sawyer RH,Craig KF

更新日期：1977-10-01 00:00:00

abstract：:Features of embryonic development in birds traditionally have been assumed to be shared by sauropsids in general. Herein, we document a pattern of yolk processing and cellularization in the Eastern fence lizard (Sceloporus undulatus) that is fundamentally different from that of birds. In the avian pattern, cells of th...

journal_title：Journal of morphology

authors： Blackburn DG,Lestz L,Barnes MS,Powers KG,Langkilde T

更新日期：2018-11-01 00:00:00

abstract：:The apical area of larvae of four primitive pulmonate species was investigated by means of serial ultrathin and light microscope sections. Cephalic sensory organs (CSOs) were found in the larvae of Onchidium cf. branchiferum (Onchidiidae) and Laemodonta octanfracta (Ellobiidae), while no trace of the organ was present...

journal_title：Journal of morphology

authors： Ruthensteiner B,Schaefer K

更新日期：2002-01-01 00:00:00

abstract：:Morphology is strongly correlated with trophic mode in marine invertebrate larvae. We asked if larval morphogenesis is influenced by adelphophagy, a trophic mode in which larvae are provisioned with additional yolk in the form of extra-embryonic nurse eggs, instead of the more common increase in egg size. We used hist...

journal_title：Journal of morphology

authors： Gibson G,Carver D

更新日期：2013-01-01 00:00:00

abstract：:A biomechanical model of the jaw mechanism in some reptiles is presented. Symmetrical muscle activity that produces equal forces on both sides of the head is assumed. The model predicts the position of the most posterior bit point and offers a functional explanation for this prediction. Turtles are used to illustrate ...

journal_title：Journal of morphology

authors： Druzinsky RE,Greaves WS

更新日期：1979-05-01 00:00:00

abstract：:The red pulp of the spleens of the short-finned pilot whale (Globicephala macrorhynchus) and the Pacific bottle-nosed dolphin (Tursiops truncatus gilli) (Odontoceti) were examined by light and electron microscopy and found to comprise two venous layers, an inner and an outer. The inner layer is homologous to the inter...

journal_title：Journal of morphology

authors： Tanaka Y

更新日期：1994-08-01 00:00:00

abstract：:The evolution of viviparity alters the physical relationship between mothers and offspring and the prevalence of viviparity among squamate reptiles presents an opportunity to uncover patterns in the evolution of placental structure. Understanding the breadth of this diversity is limited because studies of placental st...

journal_title：Journal of morphology

authors： Stewart JR,Mendez de la Cruz FR

更新日期：2019-01-01 00:00:00

abstract：:Homology is resemblance caused by a continuity of information. In biology it is a unified developmental phenomenon. Homologies among and within individuals intergrade in several ways, so historical homology cannot be separated sharply from repetitive homology. Nevertheless, the consequences of historical and repetitiv...

journal_title：Journal of morphology

authors： Van Valen LM

更新日期：1982-09-01 00:00:00

abstract：:The morphology of ctenostome bryozoans remains little investigated with only few species having been subject to more detailed studies. From all the seven main different superfamilies, only few representatives have been studied. The superfamily Arachnidioidea has particularly been neglected concerning detailed morpholo...

journal_title：Journal of morphology

authors： Schwaha T,De Blauwe H

更新日期：2020-12-01 00:00:00

abstract：:The receptaculum seminis, opening into the female genital tract, is found only in the metastriate ixodid ticks. An endospermatophore that has been inserted into the female genital aperture at copulation is first stored in the receptaculum seminis, where spermiogenesis is completed before the sperm ascend the oviducts....

journal_title：Journal of morphology

authors： Kakuda H,Mōri T,Shiraishi S

更新日期：1997-02-01 00:00:00