figure5

Fig. 1-5. A thyroid follicular cell, including: (a) apical vessel of cell; (e) endoplasmic reticulum; (d) colloid droplets; (v) microvilli; (r) ribosomes on endoplasmic reticulum; (g) Golgi apparatus; (m) mitochondrion; (p) plasma membrane; (c) capillary cells; (n) nucleus; (b) basement membrane; (o) open “pore” endothelial cells ; (c) cilium. (Reproduced by permission of the Journal of Ultrastructural Research).