Blood cells; Erythrocytes, Leukocytes, and Platelets (thrombocytes).
“Normoblasts” are the immediate precursor to erythrocytes (red blood cells) - they’re essentially an erythrocyte that still maintains a cell nucleus.
The “transitional form” is a transitional white blood cell.
Normal Histology, With Special Reference to the Structure of the Human Body. George A. Piersol, 1910.
(via referencethis)
a-l-ancien-regime: Queluz Palace - Also known as the Portuguese Versailles
The first emperor of Brazil, Dom Pedro I, was born here in 1798.