. A manual of elementary zoology . Zoology. a delicate nuclear membrane and appears to consist a viscid meshwork with a thinner fluid in its interstices (see p. 85). The viscid nuclear sub- stance, or linin, forms, on the emulsion theory (p. 85), the walls of minute bubbles in which the thinner fluid, or nuclear sap, is held. In the linin lie granules of the deeply-staining substance chroma- tin. There is often also a body known as the nucleolus, consisting of a sub- stance which stains differently from chromatin. Out- side the nucleus lies a minute body Fig. 63.—Blood of a frog, highly
. A manual of elementary zoology . Zoology. a delicate nuclear membrane and appears to consist a viscid meshwork with a thinner fluid in its interstices (see p. 85). The viscid nuclear sub- stance, or linin, forms, on the emulsion theory (p. 85), the walls of minute bubbles in which the thinner fluid, or nuclear sap, is held. In the linin lie granules of the deeply-staining substance chroma- tin. There is often also a body known as the nucleolus, consisting of a sub- stance which stains differently from chromatin. Out- side the nucleus lies a minute body Fig. 63.—Blood of a frog, highly magnified. A, Fresh; B, stained. leu., Leucocytes ; , red corpuscles. known as the cen- trosome. When mi- tosis is about to take place, the cen- trosome divides into two halves which travel to opposite sides of the nucleus. As they separate, the proto- plasm becomes ar- ranged in a radiating manner around each, forming a figure known as the aster. Fig Meanwhile the nu-. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Borradaile, L. A. (Lancelot Alexander), 1872-1945. London : H. Frowde, Hodder & Stoughton
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Keywords: ., bookcentury1900, bookdecade1920, booksubjectzoology, bookyear1920
