An illustrated encyclopædic medical dictionaryBeing a dictionary of the technical terms used by writers on medicine and the collateral sciences, in the Latin, English, French and German languages . It., cellula plasmatica. 1. Waldeyersname for certain large, coarsely granular cs of connective tissue,s milar to wandering cs but lai-ger, more gramjar, and with muchless marked amoeboid movement. They are especially abundant inthe interstitial substance of the testis. 2. See Plasviatic c. [J, 42,83 ; Arch. f. mikr. Anat., 1875 (J).]—Plasmatic c. Fr., celluleplasmatigue. Ger., plasmatische Zelle. I
An illustrated encyclopædic medical dictionaryBeing a dictionary of the technical terms used by writers on medicine and the collateral sciences, in the Latin, English, French and German languages . It., cellula plasmatica. 1. Waldeyersname for certain large, coarsely granular cs of connective tissue,s milar to wandering cs but lai-ger, more gramjar, and with muchless marked amoeboid movement. They are especially abundant inthe interstitial substance of the testis. 2. See Plasviatic c. [J, 42,83 ; Arch. f. mikr. Anat., 1875 (J).]—Plasmatic c. Fr., celluleplasmatigue. Ger., plasmatische Zelle. It., cellula name given by Virchow (1861) to the anastomosing, branchedconnective-tissue corpuscles whicn were supposed to become hollowand to form the origin of the lymphatic capillaries. [J^ 31,33,34.]—Pneumatic c. See Air-c.—Poggendorfs c. The element ofa Poggendorfs battery (q. v.). [B.]—Polar cs. Fr., cellulespolaires. Ger., polare Zellen. 1. See Extrusion globule. 2. Acircle of ectodermic cs, usually consisting of two rows of 4 cs each,which form an enlargement at the apical pole of the Dicypmida.[J ; L, 11, 321.]—Pollen-c. Fr., cellule du pollen. Ger., Pollen-. different forms of pollen-cells, (after thomI:.) A, Cucurbitapepo; S, Pasaijlera; C, Cupkea; B, DIpsaeuafulltmum; £,unitedpoUen-cs (pollen-maes) of Oynanchum vincetoxicum. zelle. The male reproductive c. of the flowering plants. These csaggregated together constitute the pollen which is lodged in theloculi of the anthers. They develop from the mot^er-c. of thepollen. (See figure under the latter.) The pollen-cs are variouslyshaped, and are often curiously sculptured externally. They con-sist of a mass of liquid protoplasm ifovilla) containing, sugar andgranules of fat, starch, etc., inclosed in a double , an externalfirm one (extine), and an internal more delicate one {intine). In theprocess of fertilization the extine is ruptured and the intine is pro-longed into a tube which comes
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectmedicine, bookyear189
