The lamellae are produced by keratocytes (corneal connective tissue cells), which occupy about 10% of the substantia propria.
ðə lˈeɪməlˌiː ɑːɹ pɹədˈuːst baɪ kəɹˈæɾəsˌaɪts kˈɔːɹniəl kənˈɛktɪv tˈɪʃuː sˈɛlz, wˌɪtʃ ˈɑːkjʊpˌaɪ ɐbˌaʊt tˈɛn pɚsˈɛnt ʌvðə səbstˈænʃə pɹˈɑːpɹiə.