Located in lower neck below larynx, producing thyroxine for energy regulation. Originally exocrine gland, now endocrine gland releasing hormones into bloodstream. Right lobe conflicts with ingoing morsel, left lobe with outgoing morsel. Conflict-active phase causes hyperthyroidism with increased thyroxine production. Healing phase involves bacterial removal of cells, leading to hypothyroidism
Thyroid gland produces hormones regulating metabolism and body functions. Located on front of neck, produces thyroxine (T4), triiodothyronine (T3), and calcitonin. Hormones affect calcium-phosphate metabolism and nervous system development
Thyroid gland produces T3 and T4 hormones regulating metabolism and body functions. T3 helps maintain muscle control, brain function, and bone health. Thyroxine (T4) is produced by thyroid gland under hypothalamus and pituitary control
Hyperthyroidism occurs when thyroid gland produces excessive hormones. Affects about 1 in 100 Americans over 12 years. More common in women and people over 60
Thyroid gland forms from endoderm during 3rd gestational week. Gland develops into left and right lobes by 7th week. Thyroid hormones begin production by 20th week
Butterfly-shaped gland located in anterior neck below laryngeal prominence. Contains follicles filled with colloid for hormone production. Supplied by arteries and drained by veins with rich lymphatic system