. The cell; outlines of general anatomy and physiology. HE CELL beyond a doubt the identity of sarcode with the protoplasm of plant and animalcells ; and this discovery was most helpful to Max Schultze in working out his cell theory, and in estab-lishing his theory of pro-toplasm (p. 6). In Amoeba, lymphcells, Mycetozoa, andKeticularia, we havelearnt to recognisenaked cells; those ofplants on the contraryare almost invariablyenclosed by a well-defined layer, which issometimes very thickand firm; this is alsovery frequently thecase with animal cells(membrane, intercel-lular substance), andthus
. The cell; outlines of general anatomy and physiology. HE CELL beyond a doubt the identity of sarcode with the protoplasm of plant and animalcells ; and this discovery was most helpful to Max Schultze in working out his cell theory, and in estab-lishing his theory of pro-toplasm (p. 6). In Amoeba, lymphcells, Mycetozoa, andKeticularia, we havelearnt to recognisenaked cells; those ofplants on the contraryare almost invariablyenclosed by a well-defined layer, which issometimes very thickand firm; this is alsovery frequently thecase with animal cells(membrane, intercel-lular substance), andthus in such cases alittle chamber, or cell,in the true sense ofthe word is cells from theneighbourhood of thegrowing point of aplant, and cartilagecells from a Salaman-der larva, are verygood examples of this. The cells at thegrowing point of aplant (Fig. 12^1),where they multiplyvery rapidly, are verysmall, and are verysimilar to animalcells. They are onlyseparated from one Fig. oviformis. (After M. Schultze.) another by very thin. / / / I is I 1 | 1 » A I H t.\\ \\ \\ muhili l inptvv \ W\\V i 1 \ i 1 n
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