Analysis of information sources in references of the Wikipedia article "Chakra" in English language version.
The names of these four cakras are derived from the names of one of the standard sets of four kāyas or bodies of the Buddha (nirmāṇa = creation, dharma = essential nature, sambhoga = enjoyment, mahāsukha = great bliss). These are then correlated with the four moments of actualization, the Four Noble Truths, four tattvas, four joys, and four main doctrinal schools.
The ten doors are located along the central channel as follows: ... the point between the eyebrows ... the apex of the cranium ... near the back of the throat ... between the two breasts ... the navel channel wheel ...