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Structure of the appendix. A. From a child two years old. B. From a male age 56. It will be observed that the submucosa is almost entirely occupied by lymphoid nodules and patches. The musclaris mucosa is very faint, and lies quite close to the bases of Lieberkuhn's gland. he longitudinal layer of muscular fibers forms a continuous sheet.

Structure of the Appendix

Structure of the appendix. A. From a child two years old. B. From a male age 56. It will be observed…

The caecal folds and fossae. In A, the caecum is viewed from the front; the mesentery of the appendix is distinct, and is attached above to the under surface of the portion of the mesentery going to the end of the ileum. In B, the caecum is turned upwards to show a retrocaecal fossa, which lies behind it and the beginning of the ascending colon.

Caecal Folds and Fossae

The caecal folds and fossae. In A, the caecum is viewed from the front; the mesentery of the appendix…