Ad´enoid, a. Glandular; glandiform.

Ad´ipose (tissue), a. for n. Cellular tissue holding fat in special vesicles.

Adoles´cence, n. Youth.

Adre´nal (body), a. for n. A small organ capping the kidney.

Adult´, a. or n. Grown to full size; mature.

Ægithognath´ous, a. Having the palate bones disposed as in a sparrow or other passerine bird.

Af´ferent, a. Bringing to or towards. Opposed to efferent.

Affined´, a. Joined or related by affinity.

Affin´ity, n. Quality of direct relation; conformity; agreement. Morphological affinity implies relationship by genetic descent; teleological affinity cannot be properly predicated.

Af´ter-shaft, n. Scape or stem of the supplementary plume springing from many feathers, or, oftener, such plume itself.