Human Uterine Biopsy: Research Value and Common Pitfalls

Figure 3

Image of a human uterus with representative micrographs of (a) full-thickness endometrial biopsy (100x) from a hysterectomy specimen and (b) pipelle endometrial biopsy (4x), depicting the distinct anatomical areas included in each of them when the human uterus is sampled with different methods. (1) Luminal epithelium, (2) functionalis, (3) basalis, and (4) myometrium.