3/8ths to 5/8ths in length
25 to 29 gauge
Heparin and Lovenox are most readily absorbed in the subcutaneous portion of the abdomen
A small needle, size 60/8, is suitable for sewing silk.
a 7
You use size B.use a 7 to 9 mag
Heparin does not cross the placenta due to its large molecular size and negative charge. This characteristic makes it safe for use during pregnancy, as it does not affect the fetus. However, low molecular weight heparins (LMWHs), which are derived from heparin, also have limited placental transfer. Therefore, heparin is often preferred for anticoagulation in pregnant individuals.
The size of the needle used for injections is usually determined by the type of medication being administered and the injection site, not the weight of the person. It is best to consult with a healthcare provider to determine the appropriate needle size for a specific injection.
21 gauge
Butterfly needles
the pointed side
That would all depend on the size and the intricacy of what you are doing.
The head of a needle is typically referred to as the "needle eye." This is the small opening at the end of the needle through which the thread passes. The eye can vary in size depending on the type of needle and its intended use, such as for sewing, embroidery, or quilting.
a hollow needle. Pretty much what you see in hospitals and such. The size depends on whichever one you ask for.
a specially needle is used. the common size for the needle is 14 g, and sometimes they use a 16 g if you don't want the hole to be so large