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.
A few other common boating terms to know are: 1  The gunnel, or gunwale, is the top of the sides of the boat. 2  The front of the boat is called the bow and the back is called the transom. 3  When someone asks you what the beam width of your boat is, that is the widest part of your boat.  I/O stands for inboard outdrive motor.