Volume 1

A text-book of human physiology : including histology and microscopical anatomy with special reference to the requirements of practical medicine / by L. Landois ; translated from the seventh German edition with additions by William Stirling.

  • Landois, L. (Leonard), 1837-1902. Lehrbuch der Physiologie des Menschen. English
Date:
1891
Catalogue details

Licence: Public Domain Mark

Credit: A text-book of human physiology : including histology and microscopical anatomy with special reference to the requirements of practical medicine / by L. Landois ; translated from the seventh German edition with additions by William Stirling. Source: Wellcome Collection.

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    adhere to the sticky external surface, are carried into the interior by the tnTerml currents and may eventually be excreted, 31st as particles are taken upTy amX alfthe e/ete particle's excreted [Max Schnitze observed tha coloured particles were readily taken up by these corpuscl s CoM^^^^^ movement—In order that the aniosboid movements of the leucocytes may taKe Sale Tis i^cessary that there be-(l) a certain temperature and normal Solpheric pres^^f (2) the surrounding medium, within -rtam -rts g^st b^ indifferent, and contain a sufficient amount of water and oxygen, (3) there '^ÄÄÄn^ToLtä (35 .0 C.) the ^^^^^^^ wam-Dlooded animals retain their power of movmg for ^ f ^r^eat for two to three hours; at 50' C. the proteids are coagulated /«^J rie-or and death [when their movements no longer recur on lowenng tlie rp'eratoe] In collwooded animals (frogs), colo^u-less -puscks -^^^^^^^^^ to erawl out of small coagula, in a moist chamber, f ^V^^^ [Draw a drop of newt's blood into a capillary tube, seal up the ends of t e latter Ld allow the blood to coagulate. After a tme, examine the ™Z'^«™ when some of the colourless°corpuscles will be ir'^.^,^''''\Zw ~eI^^ of the clot! Induction shocks cause them to withdraw their processes ana bee me spUrical, and, if the shocks be not too «'-»8;'^^ T commence Strong and continued shocks kill them, causing them to swell up, and completely disintegrating them. :„t„,.„.t arcount of Diapedesis.-These ameboid movements are of special interest 0^?° the wandering out (diapedesis) of colourless blood-corpuscles through the walls of the blood-vessels (§ 95). but afterwards produces a tetanic contraction, and, ^^^^7^' ?XonX they contain. The Cincliona alkaloids-qumme ^^^^^i^ the arrest the locomotive movements, as well as the P^^^J.^^^^^^^ , f . ^^^^ Q^dnine leucocytes of different animals vary somewhat m their resistance V ^^^^ not only arrests the movements of th\l«^|cocytes when a p^^^^^^^ JSc^h the walls of the injected into the circulation of a frog the leucocytes no longer pass through capillaries {Binz).'\ . ^c.i-c+c,Tif flinn those of the blood, but less so thÄf^Ä ^?eÄs 0? tt lymphatic glands may also corpuscles to ac/^ (eosin, picric acid, ^^^^^iff^^l^'^i}^^^ have different (picrate of rosanilin) reactions. The smallest protoplas^^^^^^ ' eosinophile, baso- chemical affinities for these pigments. Thus ^hjhch distmgu^^^^^^^^^ eo P , phile, and -neutropMle granules withm the t leucocytes which come from bone-marrow, ^^^^ ^y^^^g^^ XJ^r are fo W the lymphatic - about the size of a coloured ^^^'^'i-^^^^'f'I t Sn^^^^^^ found outside s, the lymphogenic. The large amcBboid mu ti-nucl^^^^^^^ TW or^in is unknown, and glands, the lymphogenic. The large amoeboid m^^^^^^^ origin is unknown, and the vessels in inflammations, exhibit a neutrophile e^ction ^^^^^ S^^^ted nuclei. The so is that of the large uni-nucleated c W ^-^^ , granules occur so is tnat 01 me laige uiii-iitio^v,c..v.v.^ lo^Wmia The basophile granules occur eosinophile corpuscles are considerably inc^^^^^^ are also in connective-tissue corpuscles, especially in tüe neignoouinu f always greatly increased where chronic ipAamniation occurs „^„i^asizes the activity of the StJuglle between Microbes and the Orga^-m.-M ^ leucocytes in retrogressive processes whereby P^J^f ^^^i^^'g^Th 'ells phagocytes. They fine granules, and, as it were are ''eaten .^ence he calls sucn c p 5^ .^^^^.^^ ^^^^^ may be found in the atrophied tails of batrachians the %^X\7omwS have found their pieces of nerve-fibre and primitive corpuscles. k:^^^^ ^^^^^^^^ Mp^^rent^t of the water- STealJKcocytes, an'd the connective-tissue cd^^^^^^^^ ^.,,,,,3,