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A follicle is a kind of fruit consisting of a single carpel, opening at the lower part where the pistils join.

Follicle of Delphinium

A follicle is a kind of fruit consisting of a single carpel, opening at the lower part where the pistils…

"A parasite sometimes present in the human hair follicles." —Davison, 1906

Demodex Folliculorum

"A parasite sometimes present in the human hair follicles." —Davison, 1906

"<em>A</em>, membrane of hair follicle, showing cells with nuclei and pigmentary granules; <em>B</em>, external lining of root sheath; <em>C</em>, internal lining of root sheath; <em>D</em>, cortical or fibrous portion of hairshaft; <em>E</em>, medullary portion (pith) of shaft; <em>F</em>, hair bulb, showing its development from cells." — Blaisedell, 1904

Hair Follicle

"A, membrane of hair follicle, showing cells with nuclei and pigmentary granules; B,…

"Follicle. Fruit of Larkspur. A dry one-celled seed-vessel consisting of a single carpel, and dehiscent only by the ventral suture, as in the milkweed and larkspur." -Whitney, 1911

Larkspur Follicle

"Follicle. Fruit of Larkspur. A dry one-celled seed-vessel consisting of a single carpel, and dehiscent…

"Section through ovary of a young Mammal. The eggs (o) are seen to be formed from the epithelium. c, connective tissue of ovary; e, epithelium; f, follicle of epithelial cells in which the ova ripen; o, ova in different stages of ripeness." &mdash; Galloway

Ovary

"Section through ovary of a young Mammal. The eggs (o) are seen to be formed from the epithelium. c,…

The common names of paeonia are paeony, peony, and piony. The follicles burst open.

Follicles of Paeonia

The common names of paeonia are paeony, peony, and piony. The follicles burst open.

"Sand-vine (Gonolobus lavis). a, flower; b, crown-lobe tipped by a 2-cleft awn; c, stamen-tube; d, follicle or seed-pod." -Whitney, 1911

Sand Vine

"Sand-vine (Gonolobus lavis). a, flower; b, crown-lobe tipped by a 2-cleft awn; c, stamen-tube; d, follicle…