Fri., Sept. 14 Epithelial collagen wh. gives rise to muscles muscles C. may not always be present but is nec. for fm muscle. Inclusion cells (lipids, pigments) 1) Vesic. leucocytes 2) Spher. leucocytes 3) P. (storage) cysts Funiculus has 4 different kinds of cells. Vesicular leucocyte segments leucocyte spherule. lipid chains Pigments. Tubular cells also white cells wh we see at budding edge. Peritoneum is mesoderm but this cannot be reversed. [illegible]