(646) 396-GEAR. Products Spur Gears. QTC offers all types of spur gears including ground spur gears, metric spur gear, hubless spur hears, fairloc spur gears, plastic spur gears, steel spur gears, injection molded spur gears. Click any of the Gear Images below to view full details of that type of spur gear.646) 396-GEAR. Products Spur Gears. QTC offers all types of spur gears including ground spur gears, metric spur gear, hubless spur hears, fairloc spur gears, plastic spur gears, steel spur gears, injection molded spur gears. Click any of the Gear Images below to view full details of that type of spur gear.
Clinical Significance. Determination of ACTH is useful in differentiating between primary and secondary adrenocortical hypo-and hyperfunctional disorders: Addison's disease, Cushing's syndrome, adrenal carcinoma, ectopic ACTH syndrome, and adrenal nodular hyperplasia.
Other hormones and chemicals that will rise in the ACTH stimulation test. 1  Progesterone - precursor to cortisol and aldosterone. 2  Luteinizing hormone - a pituitary hormone that stimulates sex hormone production. 3  21-Hydroxylase.  DHEA and DHEA-S - androgen hormones produced in the adrenal glands.