HomeHealth Specialties Mandible is the 1st bone calcified in skull but clavicle start first but in same embryological time publisher :NIL NAM -April 11, 2017 Mandible is the 1st bone calcified in skull but clavicle start first but in same embryological time: a. True. *** b. False. Labels Health Specialties Facebook Twitter Share:Mandible is the 1st bone calcified in skull but clavicle start first but in same embryological time Facebook Twitter WhatsApp Pinterest LinkedIn Reddit Tumblr Telegram Email