VIII-19 recto-anal junction
Human, H&E


VIII-19(D1)
recto-anal junction


arrow - junction between rectum and anus
black box - seen at higher magnification in fig VIII-19(D2)

VIII-19(D2)
recto-anal junction - x2 objective lens


Gl - glands
LN - lymphatic nodules
MM - muscularis mucosae
Muc(R) - mucosa (rectum)
V - veins
black arrowhead - end of muscularis mucosae
black box - seen at higher magnification in fig VIII-19(D3)
yellow box - seen at higher magnification in fig VIII-19(D4)

VIII-19(D3)
recto-anal junction - x20 objective lens


EP - epithelium (stratifies squamous)
LP - lamina propria

VIII-19(D4)
recto-anal junction - x20 objective lens


EP - epithelium (simple columnar)
GC - goblet cells
LP - lamina propria