Figure 2
From: Palaeohistology reveals a slow pace of life for the dwarfed Sicilian elephant

Tibia midshaft sections of P. falconeri. Representation of tissue types in histological sections of an ontogenetic series of tibiae ((a, b, f, e, I, g, k); anterior crest upper); magnifications (c, d, h, j; medullary cavity upper). (a) neonate (T106) showing parts of the birth line; (b, c) (T1): 1 year; longitudinal and radial osteons after the first winter LAG; (d) (T135), (e) (T138): 2.5–3 years ‘Fibro-lamellar complex’ (FLC) with longitudinal, oblique and radial osteons; (f) (T2): 4 years; (g) (T139): 7 years; (h) (T 45): 9 years, still showing active growth (open canals at the outer cortex); (i) (T142): 11 years; (j) (T 203): 22 years, showing an EFS; (k) (Roma6): 23 years;. Zeiss Scope A1 microscope with integrated digital camera (AxioCam ICc5), transmitted light. 10 mm scale: complete sections; 2000 µm scale: magnifications.