General principles of zoology . larly thefluid and the organized constituents. The blood-fluid orblood-plasma is, apart from inorganic constituents, speciallyrich in proteids; after the removal of the blood from theblood-vessels a part of these separate by coagulation andform the blood-clot, made up of fibrin, leaving a fluid poorin proteids, the blood-serum. The organized constituents, io6 GENERAL PRINCIPLES OF ZOOLOGY. the blood-cells, are distinguished as red and white blood-corpuscles. The latter, theleucocytes, are present in small-er numbers and have greatsimilarity to the amoebae foundi
General principles of zoology . larly thefluid and the organized constituents. The blood-fluid orblood-plasma is, apart from inorganic constituents, speciallyrich in proteids; after the removal of the blood from theblood-vessels a part of these separate by coagulation andform the blood-clot, made up of fibrin, leaving a fluid poorin proteids, the blood-serum. The organized constituents, io6 GENERAL PRINCIPLES OF ZOOLOGY. the blood-cells, are distinguished as red and white blood-corpuscles. The latter, theleucocytes, are present in small-er numbers and have greatsimilarity to the amoebae foundin water; they are lumps ofprotoplasm, contain a nucleus,devour foreign bodies, as, forexample, carmine granules in-jected into the blood, and movein the amoeboid manner,, by putting out pseuopodia(Fig. 43)- Red red blood-corpuscles of vertebrates (Fig. 44), in the mature condition, are circularor oval disks, which by objective influences, , bypressure, may momentarily be bent, incised, or otherwise. FIG. 43.—White blood-corpuscles, a, of
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectzoology, bookyear1896
