Aging and Cell Structure: Volume 1 by Alan Peters, Deborah W. Vaughan (auth.), John E. Johnson Jr. PDF

By Alan Peters, Deborah W. Vaughan (auth.), John E. Johnson Jr. (eds.)

ISBN-10: 1468439294

ISBN-13: 9781468439298

ISBN-10: 1468439316

ISBN-13: 9781468439311

Approaching any job on getting older brings a flood of pictures which are a private repetition of what has been one of many maximum and so much power issues of mankind. Even limiting time to the previous decade or so and forthcoming purely the biomedical sciences, one nonetheless encounters a flood of data during this particularly younger learn quarter. The­ ories and concepts abound as if every one researcher offers one among his personal. this would good be anticipated; getting older is an exceptionally complex sequence of crossroads related to trails or even superhighways. each one professional has a peephole (society, physique, organ, tissue, mobile, or-especially in glossy biology-cellular organelles, macromolecules, or even molecules) and the perspectives of the crossroads are patently various. consequently, the num­ ber of observations almost about equals the variety of autonomous rules recommend. it truly is traditional to hunt from hugely really good wisdom a primary comprehend­ ing of getting older during the smooth study developments in biology that target occasions on the mobile, subcellular, macromolecular, and molecular degrees. the last word clues needs to lie there-with one critical worry: there are lots of mobile kinds in any physique and every cellphone kind is a truly complicated desktop of its personal. also, there are capability repercussions in that varied cells, tissues, or even molecules affect each other. this can be certainly a complicated state of affairs, and one for which we needs to search trustworthy solutions, only if we will take a step again and supply a generalized view.

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1978, Smooth and sparsely-spined stellate cells in the visual cortex of the rat: A study using a combined Golgi-electron microscope technique, J. Compo Neurol. 181:129-172. , and Kaiserman-Abramof, I. , 1969, The small pyramidal neuron of the rat cerebral cortex. The synapses upon dendritic spines, Z. ZellJorsch. Mikrosk. Anat. 100:487-506. , and Kaiserman-Abramof, I. , 1970, The small pyramidal neuron of rat cerebral cortex. The perikaryon, dendrites and spines, Am. J. Anat. 127:321-356. , and Swan, R.

1977, A new procedure for examining Golgi impregnated neurons by light and electron microscopy, J. Neurocytol. 6:311-337. Feldman, M. , 1976, Aging changes in the morphology of cortical dendrites, in: The Neurobiology of Aging (R. D. Terry and M. ), pp. 211-227, Raven Press, New York. Feldman, M. , 1977, Dendritic changes in aging rat brain: Pyramidal cell dendrite length and ultrastructure, in: The Aging Brain and Senile Dementia (K. Nandy and I. ), pp. 23-37, Plenum Press, New York. Feldman, M.

Before concluding this discussion of the visual cortex, it is worthwhile mentioning that in parallel with the growth of basal dendrites of pyramidal neurons induced by an enriched environment, continuous illumination can bring about an increase in spine den- CENTRAL NERVOUS SYSTEM sity (Parnavelas and Globus, 1976), and that the effects of experimental manipulations on spine populations may only be induced if they are carried out soon after birth. Thus, Rothblat and Schwartz (1979) have recently demonstrated that unilateral suturing of the eyelids of rats at 90 days of age does not produce the spine losses in the contralateral visual cortex that can be induced by suturing at 30 days of age.

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Aging and Cell Structure: Volume 1 by Alan Peters, Deborah W. Vaughan (auth.), John E. Johnson Jr. (eds.)

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