Fig. 1.
![Fig. 1. Subserial sections of the thymus stained with antibodies against cytokeratin (A), CD3 (B), CD45R0 (C), CD45RA (D), TCRGD (E), and CD1a (F). In a thymic lobule, which is largely composed of epithelial cells, the CD3+ lymphocytes predominantly express CD45R0 and TCRGD. Many lymphoid cells show delicate membrane reactivity for CD1a (streptavidin-biotin complex immunoperoxidase technique, counterstained with Mayer’s hematoxylin; original magnifications: [A] through [E], ×160; [F], ×400).](https://ash.silverchair-cdn.com/ash/content_public/journal/blood/94/10/10.1182_blood.v94.10.3468.422k34_3468_3478/6/blod422sig01z.jpeg?Expires=1735545758&Signature=c6~IQcNUo~fPQ7-88RPsKGS-DBGHxnlEXaNRUmoyOTMJdsOX4IKpQ59R9dvaPOKFlyUP0GfWHUreIibVxP863~bcH89bpdEclPboDPfvEtYHbPbgOwU5ghpD48zoSUyDK4hpGcUcLx-rTizHzKgvmdVAO2EovTpFsQsYG3N3-iCrvKoM9yVWJ-nbVwak3BSCFsQaaYQjUL8D0qB3bDjf9SBCXX62XEcWx3ZeyY0j8oJEqFio25e7iLHA6gMEG1XJs5PAnQDbPGqRJK~2jk0L9ahTh298PuoBSmnQrZvBZtJpjJ8c3ey-U3yJUwUpcrgVJzJv0qj7SnaLI-~7P8tVaQ__&Key-Pair-Id=APKAIE5G5CRDK6RD3PGA)
Subserial sections of the thymus stained with antibodies against cytokeratin (A), CD3 (B), CD45R0 (C), CD45RA (D), TCRGD (E), and CD1a (F). In a thymic lobule, which is largely composed of epithelial cells, the CD3+ lymphocytes predominantly express CD45R0 and TCRGD. Many lymphoid cells show delicate membrane reactivity for CD1a (streptavidin-biotin complex immunoperoxidase technique, counterstained with Mayer’s hematoxylin; original magnifications: [A] through [E], ×160; [F], ×400).
