Pl. fibrillæ. [mod. L. fibrilla, dim. of L. fibra FIBRE.] = prec.
1665–6. Phil. Trans., I. 317. A Nerve, or a Fibrilla related to it is touch’d.
a. 1754. Mead, Wks. (1762), II. 535. Rays of light, falling on the small arteries, instead of the nervous fibrillæ.
1757. Watson, Chem. Ess., V. 120. Fibrillæ of feathers.
1854. J. Hogg, Microsc., I. iii. 112. The most delicate of the elementary tissues of animals, such as … the ultimate fibrillæ of muscles.
1871. Huxley, Phys., ix. 222. If the fibrillæ of the optic nerve are capable of being affected by light.
