DRAWINGS:

Drawing (original). Free-hand ink drawing depicting the differentiation of a spermatid into a spermatozoon in a rodent (O. degus). The drawing was made usng over 800 transmission electron micrographs of ultrathin sections through seminiferous tubules of adult male specimens. India ink on vellum. 12 x 10 inches.

D. melanogaster early embryos. This free-hand drawing was made using as a model a collage of light and transmission electron micrographs of intact and ultrathin sections of freshly laid specimens. Reproduced from M. Berrios’ Doctoral Thesis (©The Rockefeller University). India ink on vellum. 8 x 11 inches.

Drawing (original). Free-hand ink drawing showing the general structure of a metaphase chromosome. India ink on vellum. 8 x 8 inches.

Two color print. Free-hand ink drawing depicting the invasion of pathogens (M. pneumoniae). Original: India ink on vellum. 12 x 16 inches. Courtesy of Clinical Experience.

Print of a free-hand drawing. Left: a fertilizing spermatozoa decondensing within the ooplasm of a mature rabbit oocyte (metaphase II). Right: a fertilizing spermatozoa decondensing within the ooplasm of an inmature rabbit oocyte (primary oocyte). Reproduced from: Berrios, M., and Bedford, J. M. 1979. Oocyte Maturation: Aberrant Postfusion Responses of the Rabbit Primary Oocyte to Penetrating Spermatozoa. J. Cell Sci. 39, 1-12. Original: India ink on vellum. 8 x 11 inches.

Four color print of a free-hand drawing. Initiation and promotion of carcinogenesis. Reproduced from: “Chemicals and Cancer: Initiation and Promotion” by Henry C. Pitot. (Hospital Practice, July 1983) Original: India ink on vellum. 12 x 18 inches. Courtesy of Hospital Practice.

Eight color print. Free-hand drawing depicting the endocytosis of LDL and chylomicron remnants by an hepatocyte. Reproduced from “Lipoproteins and Coronary Artery Disease” by Howard A. Eder (Hospital Practice, May 1983). Original, India ink on vellum. 10 x 14 inches. Courtesy of Hospital Practice.

Four color print. Free-hand drawing depicting retinoid-induced terminal differentiation in cultured human promyelocytic leukemia (HL-60) cells. Reproduced from: “Retinoids and Suppression of Carcinogenesis” by Michael B. Sporn. (Hospital Practice, October 1983) Original: India ink on vellum. 10 x 16 inches. Courtesy of Hospital Practice.