. The American journal of anatomy. enon might be regarded as a plasmatic pulse, whichwould eventually force any blood cells lying free in the tissuespaces into the general circulation. In addition those cellshaving the power of amoeboid movement could enter the vesselsby diapedesis through the capillary walls. B. DEVELOPMENT OF THE LYMPHATIC PLEXUS AND ACCOM-PANYING HAEMOPOESIS The changes about to be described take place only in themesenchyme lateral to the caudal muscle plates in the posteriorregion of the embryo, the mesenchjane lying medial to themuscle plates maintaining its compact indif
. The American journal of anatomy. enon might be regarded as a plasmatic pulse, whichwould eventually force any blood cells lying free in the tissuespaces into the general circulation. In addition those cellshaving the power of amoeboid movement could enter the vesselsby diapedesis through the capillary walls. B. DEVELOPMENT OF THE LYMPHATIC PLEXUS AND ACCOM-PANYING HAEMOPOESIS The changes about to be described take place only in themesenchyme lateral to the caudal muscle plates in the posteriorregion of the embryo, the mesenchjane lying medial to themuscle plates maintaining its compact indifferent the sake of clearness we shall first consider the Histogenesisand then the Morphogenesis of the developing plexus of lymphaticvessels. Fig. 1 Chick mm., Series 21, Slide 1, Row 3, Section 2. X 200. Photo-micrograph of transverse section of caudal end of the embryo. 1, Notochord 5, Haemal capillaries 2, Neural tube 6, Caudal muscle plate 3, Coccygeal vein 7, Differentiating blood cells 4, Coccygeal artery V. ^:Va^# ?,*. ..-•?<?, - ^?^:^*^-;l,^^;V,rV<; -t^ ri,;./!:!*:^
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectanatomy, bookyear1901
