. A text-book of comparative physiology [microform] : for students and practitioners of comparative (veterinary) medicine. Physiology, Comparative; Veterinary physiology; Physiologie comparée; Physiologie vétérinaire. Via. Pia. 147. ; Fio. 144.—Cell elements of red marrow, a, large grannlar marrow cells; b, smaller, more vesicniar cells; e. free nuclei, or small lymphoid cells, some of which may be even snrronnded with a delicate rim of protoplasm; d, nucleated red corpuccles of the bone marrow. ?io. 146.—Nucleated red cells of marrow, illustrating mode of development into the
. A text-book of comparative physiology [microform] : for students and practitioners of comparative (veterinary) medicine. Physiology, Comparative; Veterinary physiology; Physiologie comparée; Physiologie vétérinaire. Via. Pia. 147. ; Fio. 144.—Cell elements of red marrow, a, large grannlar marrow cells; b, smaller, more vesicniar cells; e. free nuclei, or small lymphoid cells, some of which may be even snrronnded with a delicate rim of protoplasm; d, nucleated red corpuccles of the bone marrow. ?io. 146.—Nucleated red cells of marrow, illustrating mode of development into the ordinary non-nucleated red corpuscles, a, common forms of the colored nucleated cells of red marrow; A, 1,8, S, gradual diHappearance of the nadens: e, large non- nucleated red corpuscle resembling 8 and 8 of A in all respects save in the absence of any trace of nucleus. Fig. 146.—Nucleated red corpuscles, illustrating the migration of thenncleus from the cell, a process not nnfreqnently seen in the red marrow. Fiu. 147.—Blood of human embryo of four months, a, 1,8,8,4r, nucleated red corpus- cles. In 4 the same grannlar disintegrated appearance or the nucleus as is noted in marrow cells, b, f, microcyte; 8, megalocyte; 8, ordinary red corpuscle. Fio. 148.—From spleen. 1, blood-plsiques, colorless and varjrinK a little in size; 8, two microcytes of a deep-red color; 8, two ordinair red corpuscles; 4,-a solid, translu- cent, lymphoid cell or free nucleus. (Figs. 144-148 after Osier.) arise simultaneously in the meeoblastic embryonic tissue ; that such an organ may exist after birth, either normally in some mammals or under unusual functional need ; that the red mar- row is the chief birthplace of colored cells in adult life ; that. 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 Mills, Wesley, 18
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