ðiːz mˌeɪk ðɛɹ ɐpˈɪɹəns bᵻtwˌiːn ðə mˈiːdiːəl ænd lˈæɾɚɹəl ɪnsˈɜːʃənz ʌvðɪ ɐdˈʌktɚ pˈɑːlɪsˌɪs, ænd ɹˈʌn ɐlˈɔŋ ðə sˈaɪdz ʌvðə θˈʌm, fˈɔːɹmɪŋ ɐn ˈɑːɹtʃ ɔnðə pˈɑːmɚ sˈɜːfɪs ʌvðə dɪstˈæl fˈælæŋks, fɹʌm wˈɪtʃ bɹˈæntʃᵻz ɑːɹ dˈɪstɹɪbjˌuːɾᵻd tə ðɪ ˈɪntɪɡjˌuːmənt ænd sˌʌbkjuːtˈeɪniəs tˈɪʃuː ʌvðə θˈʌm.
These make their appearance between the medial and lateral insertions of the adductor pollicis, and run along the sides of the thumb, forming an arch on the palmar surface of the distal phalanx, from which branches are distributed to the integument and subcutaneous tissue of the thumb.