. Elementary text-book of zoology, tr. and ed. by Adam Sedgwick, with the assistance of F. G. Heathcote. 46 GENERAL PAKT. sheaths, which are prolonged over their processes and so over the nerve fibres. Very generally several ganglion cells are enclosed in a common sheath. Nerve fibres are either centrifugal, , they carry nervous impulses from the central organ to the peripheral organs (motor, secretory nerves); or they are centripe- tal, , they carry them from the periphery to the central organs (sensory nerves). They are prolongations of ganglion cells, and, like them, are fre-. Pleas
. Elementary text-book of zoology, tr. and ed. by Adam Sedgwick, with the assistance of F. G. Heathcote. 46 GENERAL PAKT. sheaths, which are prolonged over their processes and so over the nerve fibres. Very generally several ganglion cells are enclosed in a common sheath. Nerve fibres are either centrifugal, , they carry nervous impulses from the central organ to the peripheral organs (motor, secretory nerves); or they are centripe- tal, , they carry them from the periphery to the central organs (sensory nerves). They are prolongations of ganglion cells, and, like them, are fre-. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Claus, Carl, 1835-1899; Sedgwick, Adam, 1854-1913; Sinclair, F. G. (Frederick Granville), b. 1858. London, Swan Sonnenschein & co.
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Keywords: ., book, bookcentury1800, bookcollectionbiodiversity, bookdecade1890
