Bøger i Advances in Anatomy, Embryology and Cell Biology serien

The aim of this investigation is threefold: (a) to determine the time of origin of neurons of the rat cranial nerve ganglia; In the present study we determined the birth dates of neurons of the trigeminal, facial, vestibular, "glosso pharyngeal, and vagal ganglia of the rat.

The mature vertebrate retina is a highly complicated array of several kinds of cells, capable of receiving light impulses, transforming them into neuronal membrane currents, and transmitting these in a meaningful way to central processing.

This study aims to establish the relationship between the form and the normal or disturbed functioning of three important joints of the human hand: the proximal wrist joint, the saddle joint of the thumb, and the metacarpophalangeal joints, and to evaluate the findings biomechanically and clinically.

The study of the development of the spinal cord has a relatively long history. They reported that the cellular central mass of the spinal cord develops before its fibrous envelope, deducing from this that the fibers of the white matter of the embryonic spinal cord were outgrowths of cells in the gray matter.

1 Brief History The diversity of cells constituting the central nervous system did not deceive last century neurohistologists in recognizing that this organ contained essentially two cell types: the nerve cells, or as termed according to the emerging concept of neural contiguity, the neurons, and the neuroglial cells.

The seminiferous tubules contain the successive generations of germ cells, which can only exist in the presence of Sertoli cells. Consequently, the function of the Sertoli cells depends large lyon the function of the Leydig cells, and a local control mechanism between the two cell systems has been assumed.

3 Summary . 3 Summary 59 4 Discussion . 1 Dermatome . 2 Myotome . 3 Somitic Mesenchyme . 3 Perichordal Tube . 5 Origin of the Mesenchymal Vertebral Bodies . 6 Blastema of Vertebral Processes and its Relationship with the Blastemic Vertebral Body . 5 Differentiation into Cartilaginous Axial Skeleton . Morphology of the Developing Myotome .

The anterior inferior cerebellar artery (AI CA) is one of the major branches of the basilar artery and supplies part of the pons, the upper medulla, and the cerebellar hemisphere.

In the search for explanations for differences in the shape of skulls and their phylogenetic development, the morphology of the skull must be seen in connec tion with the functions it has to perform.

According to Valentin (1833) and Luschka (1862), the first description of the structure now known as the carotid body must be ascribed to a Swiss physiolo gist - Albrecht von Haller - who, in 1762, called it the ganglion exiguum.

Many mammalian species living at medium or higher latitudes show marked annual cycles in various morphological and functional properties.

The study of the avian chondrocranium began in 1866 with W.K. Apart from the studies of the Parkers, the most important contribution to the study of the development of the bird's skull published before 1900 is Suschkin's (1899) excellent and detailed account of Tinnunculus.

Original work on the renal structures in three classes of lower vertebrates is presented. The morphological information with the compilation of literature on renal physiology in fish is relevant for the understanding of the evolution of the vertebrate kidney and serves as a presentation of animal models for the study of basic renal mechanisms.

Of particular note is the wide-ranging methodological approach which includes light and electron microscopy, immunocytochemistry, Golgi/EM techniques, intracellular differentiation and intracellular colorings, histochemistry of transmitter enzymes and receptoraudiography.

This volume provides a comprehensive, highly detailed topographical description of the entire tail apparatus of the pigeon including a functional analysis of the movements of the entire tail and its appendages, namely the flight feathers.