Thyroid - The planets at work.

Well thyroid is a gland situated somewhere near adams apple and is a part of endocrine system when it malfunctions it creates either excess or much lower than required hormones thereby upsetting the balance and leading to  the two types of thyroid.The thyroid gets its name from the Greek word for "shield", due to the shape of the related thyroid cartilage. The most common problems of the thyroid gland consist of an overactive thyroid gland, referred to as hyperthyroidism, and an under active thyroid gland, referred to as hypothyroidism.

The thyroid gland controls how quickly the body uses energy, makes proteins, and controls how sensitive the body is to other hormones. It participates in these processes by producing thyroid hormones, the principal ones being triiodothyronine (T₃) and thyroxine which can sometimes be referred to as tetraiodothyronine (T₄). These hormones regulate the rate of metabolism and affect the growth and rate of function of many other systems in the body. T₃ and T₄ are synthesized from both iodine and tyrosine. The thyroid also produces calcitonin, which plays a role in calcium homeostasis.

Since it placed somewhere in junction between neck and torso ,planet Venus as a ruler of Taurus sign  constitutes neck region while  sign Gemini (upper torso)and  planet mercury is  responsible for endrochronological system  here we have to consider sign virgo as well as rog karka for kaal pursh.Star chitra or nakshatra chitra ruled by mars  signifies neck as an assigned  body part..Since the thyriod gland is made up of muscles saturn  has a role to play as well, jupiter represents weight  gain its association with lagna or lagna lord  through PAC has to there ,since thyroid signifies energy composition mars as ruler of chitra nakshatra which signifies  neck region is also important to look for loss of energy and vtality,  then D 30 is important as well to see the suffering and misery quotient as per western astrology endocrine glands are represented by mars,mercury ,venus,jupiter,uranus,neptune  and saturn please refer to table below.