![](http://www.alamy.com/thumbs/6/821A514E-319B-42F1-9BCE-333B43DFDCAC/GK6A56.jpg)
52520 Sponges - to illustrate choanocyles (Ch)- section o, a, calcareous sponge Ect ectoderm; Mes mesoderm; N, calcerous spicule; Eis
Size: 1502px × 1664px
Photo credit: © First Collection / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: +, ancient, antique, blackletter, book, books, borders, bygone, calligraphic, calligraphy, cover, draw, drawing, font, historic, history, illustration, image, letter, lettering, manuscript, map, ornate, page, pages, scan, sketch, vintage