Property information
x somite_number N if and only if (i) x is a somite, and (ii) x is somite number N in a series of somites repeated along an anterior-posterior axis, with somite_number 1 being the anteriormost somite.
x somite_number N if and only if (i) x is a somite, and (ii) x is somite number N in a series of somites repeated along an anterior-posterior axis, with somite_number 1 being the anteriormost somite.