From 'Kalala' originates bubble. From 'Budbuda' originates what is called 'Peshi.' From 'Peshi' that stage originates in which the various limbs are seen. From this last stage appear nails and hair.
कललाद् बुद्बुदोत्पत्तिः पेशी च बुबुदात् स्मृता। पेश्यास्त्वङ्गाभिनिर्वृत्तिर्नखरोमाणि चाङ्गतः॥