Ashtangasamgraha 5.2_2

5.2_2

sakalamapi śarīramaṅgamityucyate tatra punaḥ ṣaḍaṅgaṃ śirontarādhirdvau bāhū sakthinī ca netranābhipāṇipādādīni tvasya pratyaṅgāni ||

The entire body is called an 'aṅga' (limb/body); within it, moreover, there are six main parts: the head, the trunk, the two arms, and the two thighs; whereas the eyes, navel, hands, feet, and so forth are its subordinate parts (pratyaṅga).