Endocrine system "krīnō", "to separate, distinguish". The human endocrine system consists of several systems that operate via feedback loops. Several important feedback systems are mediated via the hypothalamus and pituitary. Endocrine glands are glands of the endocrine system that secrete their products, hormones, directly into interstitial spaces and then absorbed into blood rather than through a duct. The major glands of the endocrine system include the pineal gland, pituitary gland, pancreas, ovaries, testes, thyroid gland, parathyroid gland, hypothalamus and adrenal glands. The hypothalamus and pituitary gland are neuroendocrine organs. There are many types of cells that comprise the endocrine system and these
Prabhat Ranjan Sarkar as physiologic counterparts, influencing the associated endocrine glands with the neuroendocrine system and the psychic part of the body. The philosophy of "Ananda Marga" consider the human body as composed of the same five "fundamental factors" as the rest of the universe as explained in P.R. Sarkar's theory of "". Every factor is distributed throughout the body, but is controlled by a controlling nucleus, or "Chakra", substations of the mind, each controlling their own assigned area. And just as the mind functions directly through the brain, the "Chakras" function through their own physical counterparts – the endocrine glands. The biopsychology