Eccrine vs. Apocrine — What's the Difference?

Relating to an eccrine gland or its secretion, especially sweat.

Apocrine () is a term used to classify exocrine glands in the study of histology. Cells which are classified as apocrine bud their secretions off through the plasma membrane producing extracellular membrane-bound vesicles.

Exocrine.

Relating to a type of glandular secretion in which the apical portion of the secreting cell is released along with the secretory products.

Pertaining to a sweat gland; merocrine

Of or pertaining to an apocrine gland or to its mode of secretion, which involves the budding of portions of the secreting cells.

Pertaining to sweat

(of exocrine glands) producing a secretion in which part of the secreting cell is released with the secretion;

Exocrine

(of exocrine glands) producing a clear aqueous secretion without releasing part of the secreting cell; important in regulating body temperature