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Fig. 8 | Reproductive Biology and Endocrinology

Fig. 8

From: LIPOPHAGY: a novel form of steroidogenic activity within the LEYDIG cell during the reproductive cycle of turtle

Fig. 8

Electron micrograph of lipid droplet mobilization during hibernation. (a) The Leydig cell contains numerous small lipid droplets that appear closely to the lysosome and mitochondria. (b) Large lipid droplets in contact with each other (black thick arrow) and with the lysosome (black head arrow) and mitochondria (white thick arrow). A curved arrow indicates the autophagic tube, (black arrow) intermediate filaments, (black rectangular area) autolysosome, autophagosome and isolated membrane. The white rectangular area indicates the (a) fusion of autophagosome and lysosome, and the (b) lysosomal engulfing of the LD. The illustration is of a higher magnification. LD: Lipid droplets; M: Mitochondria; L: Lysosome; A: Autophagosome; AL: Autolysosome; IM: Isolated Membrane. Scale bar = 1 μm (a-d)

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