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Keywords: ultrastructure
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Journal Articles
J Exp Biol (2018) 221 (9): jeb166538.
Published: 10 May 2018
...Ksenija D. Velickovic; Mirela M. Ukropina; Radmila M. Glisic; Maja M. Cakic-Milosevic ABSTRACT The aim of this study was to determine the effects of long-term sucrose overfeeding on functional capacity and ultrastructural characteristics of the rat brown adipose tissue (BAT). For the study, 16 male...
Journal Articles
J Exp Biol (2017) 220 (11): 2108–2119.
Published: 1 June 2017
... is thinner and shows extended collagen helices, and their mesothelium is unfolded. Many of the cell types constituting these different tissue layers are affected by the elongation process (see Becker and Flammang, 2010 , for review), but no attempt has been made to correlate ultrastructural changes...
Includes: Supplementary data
Journal Articles
J Exp Biol (2009) 212 (20): 3211–3220.
Published: 15 October 2009
... in appearance of peptidergic neurons form close unspecialized membrane contacts with GCs. Then,we investigated, at both morphological and biochemical levels, the effect of electrical stimulation of the heart nerve on GCs of Achatina heart perfused in situ . The ultrastructural study demonstrated changes...
Journal Articles
J Exp Biol (2008) 211 (4): 606–612.
Published: 15 February 2008
... 2008 Harderian gland ultrastructure hormone action hypothyroidism The Harderian gland (HG) is an orbital gland present in most groups of terrestrial vertebrates. It is regulated by many exogenous and endogenous factors that vary according to the animal species (for reviews, see Payne...
Journal Articles
J Exp Biol (2006) 209 (17): 3322–3328.
Published: 1 September 2006
... as the thyroid activation index, as compared to the controls. The volume density of colloid significantly decreased. Ultrastructural analysis of thyroid follicular cells in the EMF group revealed the frequent finding of several colloid droplets within the same thyrocyte with the occasional presence of large...
Journal Articles
J Exp Biol (2005) 208 (12): 2277–2288.
Published: 15 June 2005
... with the ultrastructural observation of juxtaligamental-like cells in the connective tissue, confirms that an MCT is present in both echinoid and asteroid tube feet. It was observed, however, that the tube foot stems of P. lividus and M. glacialis are affected differently by exposure to cell-disrupting solutions...
Journal Articles
J Exp Biol (2003) 206 (16): 2733–2738.
Published: 15 August 2003
... a / A , where A is area of contact) amounts to 2.24×10 5 N m -2 . * Author for correspondence (e-mail: a.kesel@rz.uni-sb.de ) 6 5 2003 © The Company of Biologists Limited 2003 2003 dry adhesion ultrastructure scopula claw tuft seta setule safety factor atomic force microscopy...
Journal Articles
J Exp Biol (2003) 206 (13): 2177–2190.
Published: 1 July 2003
..., the temporal properties of pigment migration and the ultrastructure of the pigmented processes during light- and dark-adaptation. Each species was dark-adapted during the day and light-adapted during the night and then exposed to either sun illumination or darkness for different lengths of time (0–70 min...
Journal Articles
J Exp Biol (2001) 204 (11): 1889–1899.
Published: 1 June 2001
.... Marshall, W. S., Bryson, S. E., Darling, P., Whitten, C., Patrick, M., Wilkie, M., Wood C. M. and Buckland-Nicks, J. ( 1997 ). NaCl transport and ultrastructure of opercular epithelium from a freshwater adapted euryhaline teleost, Fundulus heteroclitus . J. Exp. Zool . 277 , 23 –37. Marshall, W...
Journal Articles
J Exp Biol (1992) 167 (1): 119–154.
Published: 1 June 1992
... or insertion. 10 2 1992 © 1992 by Company of Biologists 1992 neuromuscular junction ultrastructure metamorphosis degeneration Manduca sexta glia During metamorphosis, the slow muscles of the lepidopteran larval dorsal mesothorax degenerate and are replaced by fast muscles...
Journal Articles
J Exp Biol (1992) 167 (1): 91–117.
Published: 1 June 1992
...Mary B. Rheuben ABSTRACT The ultrastructural changes associated with the early stages of degeneration of the larval mesothoracic muscle fibers of Manduca sexta were examined during the prepupal period and on the first day after ecdysis. Over this 5 day period, the muscle fibers decrease in cross...
Journal Articles
J Exp Biol (1992) 162 (1): 1–21.
Published: 1 January 1992
.... This is the first record of a contractile vacuole in an eumetazoan animal. Its description calls for a revision of existing interpretations of the mechanism of stolonal contractions in hydroids. 16 04 1991 © 1992 by Company of Biologists 1992 contractile vacuole endoderm ultrastructure...
Journal Articles
J Exp Biol (1990) 152 (1): 265–279.
Published: 1 September 1990
... and ultrastructure were studied on the eighth day after operation in these muscles and in ischaemic unstimulated muscles with denervated ankle flexors. Both were compared with control animals. Muscles with limited blood supply developed less isometric twitch tension than control muscles (peak twitch tension...
Journal Articles
J Exp Biol (1990) 150 (1): 205–220.
Published: 1 May 1990
...RICHARD L. LONDRAVILLE; BRUCE D. SIDELL Quantitative ultrastructural analyses were performed on red (oxidative) and white (glycolytic) skeletal muscles from two species of antarctic fish to identify features of subcellular structure that may be related to muscle metabolism at cold body temperature...
Journal Articles
J Exp Biol (1988) 136 (1): 209–228.
Published: 1 May 1988
... would impede the very rapid (less than 0-02 s) removal of the pulvilli, were it not for the retraction mechanism which peels off the pulvillus from the distal edge, like a piece of adhesive tape. The ultrastructure of the pulvillar gland is described. The epidermal cells discharge into a cavity which...
Journal Articles
J Exp Biol (1988) 134 (1): 99–117.
Published: 1 January 1988
...-specific lung compliance is similar to that of much simpler, unicameral gekko lungs, implying that lung compliance is a function of parenchymal structure and not of primary structural type. 30 07 1987 © 1988 by Company of Biologists 1988 lungs crocodile reptile ultrastructure non...
Journal Articles
J Exp Biol (1986) 126 (1): 375–387.
Published: 1 November 1986
... cells. * Present address: Department of Zoology, Downing Street, Cambridge CB2 3EJ. 30 06 1986 © 1986 by Company of Biologists 1986 honey-bee fat body iron cell communication X-ray spectral analysis ultrastructure Many organisms (e.g. bacteria, homing pigeons...
Journal Articles
J Exp Biol (1986) 121 (1): 451–455.
Published: 1 March 1986
... iridophores can be controlled in vitro in isolated dermal layers with the putative neuromodulator acetylcholine (ACh), as well as by means of other factors ( Hanlon & Cooper, 1985 ). We compared the ultrastructure of non-iridescent and iridescent iridophores in these isolated dermal layers to determine...
Journal Articles
J Exp Biol (1985) 115 (1): 17–30.
Published: 1 March 1985
... of muscle as far as fine molecular and biochemical details are concerned, but remarkable conservation in the basic ultrastructural organization, especially among the vertebrates. REFERENCES Barany , M. ( 1967 ). ATPase activity of myosin correlated with speed of muscle shortening . J. gen...