The major glands of the endocrine system are the hypothalamus, pituitary, thyroid, parathyroids, adrenals, pineal body, and the reproductive organs (ovaries and testes).The pancreas is also a part of this system; it has a role in hormone production as well as in digestion.The endocrine system is regulated by feedback in much the same way that a thermostat regulates the temperature in a room.he major glands of the endocrine system are the hypothalamus, pituitary, thyroid, parathyroids, adrenals, pineal body, and the reproductive organs (ovaries and testes).
herb â(plural herbs) 1  Any green, leafy plant, or parts thereof, used to flavour or season food. 2  Plant whose roots, leaves or seeds, etc. are used in medicine. ( 3 slang, euphemistic) Marijuana. ( 4 botany) A plant whose stem is not woody and does not persist beyond each growing season. ( obsolete) Grass; herbage.
Top Definition. herb. used by rapper esoteric, in the song herb. pronounced like its spelled, no silent h. it doesnt mean weed or drugs, its a term for someone who follows trends, or just is a complete bullshitter. basicly one of those kind of people that nobody likes.op Definition. herb. used by rapper esoteric, in the song herb. pronounced like its spelled, no silent h. it doesnt mean weed or drugs, its a term for someone who follows trends, or just is a complete bullshitter. basicly one of those kind of people that nobody likes.