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Fig. 4 | Bioelectronic Medicine

Fig. 4

From: Sympathetic innervation of human and porcine spleens: implications for between species variation in function

Fig. 4

TH staining of spleen section from donor 002 (VIP chromogen and citrate buffer antigen retrieval). A Sympathetic innervation of a central arteriole (ca.) cut in cross section. TH + nerves extend further into the white pulp (wp) than observed in other donor spleens. B Sympathetic innervation of the red pulp (rp) near the capsule (c) in the hilum region. Note the capsule has no innervation. C Fewer TH + nerves occur in the red pulp of a sample from the pole region of the spleen. D A few sympathetic nerves run parallel to trabeculae (t) extending from the capsule into the red pulp

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