Canine TSH may be measured at 30 minutes as part of a TRH stimulation test in the diagnosis of secondary hypothyroidism. Normal dogs should increase cTSH by at least 0.4 ng/mL. Total T3 (TT3) â The analysis of TT3 is of little value in the diagnosis of hypothyroidism principally because of the high prevalence of cross-reacting T3 autoantibodies (T3AA) in hypothyroid dogs.
The forward (leading) edge of the sail is called the luff, which, in a mainsail, is parallel to the mast. The aft (back) edge of a sail is called the leech (also spelled leach), which is opposite the luff, and forms the hypotenuse of the triangle.
Bow and Stern = Front and Back. The front of the boat is called the bow. The rear is the stern. If someone asks you to âthrow me the bowline,â you should toss him the rope at the front of the boat. Head = Bathroom . A bathroom on a boat is called a head. Again, how did this term come about? One theory is that the crew went to the bow (the front) of the boat to do their business.