. Text-book of normal histology: including an account of the development of the tissues and of the organs. utespherical bodies, the nu-cleoli. The more or lessdefinite and characteristicforms which the elementsof the various tissuespossess on reaching theirfull development, dependlargely upon the changeseffected by growth and dif-ferentiation in the proto-plasm during the youngercondition of the protoplasm of Typical cell,—ovum of cat: a. protoplasm; i, nucleus: <:, which the greater part ofnuclear membrane; d, nucleolus; e, true cell-wall, closely rells is COmOOScd Usinoapplied t
. Text-book of normal histology: including an account of the development of the tissues and of the organs. utespherical bodies, the nu-cleoli. The more or lessdefinite and characteristicforms which the elementsof the various tissuespossess on reaching theirfull development, dependlargely upon the changeseffected by growth and dif-ferentiation in the proto-plasm during the youngercondition of the protoplasm of Typical cell,—ovum of cat: a. protoplasm; i, nucleus: <:, which the greater part ofnuclear membrane; d, nucleolus; e, true cell-wall, closely rells is COmOOScd Usinoapplied to the surrounding secondary envelope, the zona i . , , ^ peiiucida. the term m its broadest application and as sy-nonymous with cell-contents, usually appears as a finely granularsemi-fluid or gelatinous substance, in \vhich darker and coarsergranules or other particles of extraneous matters are often structure of protoplasm is now recognized as far more com-plicated than was formerly supposed, comprising a highly elasticand extensible portion—the spongioplasm—and an mmmPm ^ms^r!^,^:.textbookofnorma1899pier
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