Fig. 2
From: Immunohistochemical detection of chlamydia trachomatis in sexually transmitted infectious proctitis
Left, submucosal lymphoplasmacytic infiltrate, note the elongated crypts without branching and a lymphoid follicle. HE 4X. Right: basal lymphoplasmacytic infiltrate and two glands with intraepithelial leucocytes (cryptitis). 10X HE