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Ciliated epithelial tissue, which is covered with long waving hair-like projections (cilia). It is found in air passages, Eustachian and Fallopian tubes, and the upper part of the uterus. The cilia serve to carry secretions away.

Ciliated Epithelial Tissue

Ciliated epithelial tissue, which is covered with long waving hair-like projections (cilia). It is found…

Ciliated epithelium from the human trachea, highly magnified. Labels: a, large ciliated cell; d, cell, with two nuclei. "In ciliated epithelium the cells, which are generally columnar in shape, bear at their free extremities little hair-like processes which are agitated incessantly with a lashing or vibrating motion. These minute and delicate processes are named cilia, and may be regarded as active prolongations of the cell-protoplasm." —Kimber, 1907

Ciliated Epithelium Cells

Ciliated epithelium from the human trachea, highly magnified. Labels: a, large ciliated cell; d, cell,…

A vertical section of an intestinal villus of a cat. Labels: a, the striated basilar border of the epithelium; b, columnar epithelium; c, goblet cells; d, centrai lymph vessel; e, unstriped muscular fibers; f, adenoid stroma of the villus in which are contained lymph corpuscles.

Intestinal Villus of a Cat

A vertical section of an intestinal villus of a cat. Labels: a, the striated basilar border of the epithelium;…

The spheroidal ciliated cells from the mouth of a frog.

Spheroidal Ciliated Cells from a Frog

The spheroidal ciliated cells from the mouth of a frog.