"M: middle thyroid vein"
"S: superior thyroid vein"
"L: lingual vein"
"F: facial vein"
"P: pharyngeal vein"
"I: inferior petrosal sinus"
"M: middle thyroid vein"
"S: superior thyroid vein"
"L: lingual vein"
"F: facial vein"
"P: pharyngeal vein"
"I: inferior petrosal sinus"
"S: superior thyroid vein"
"F: facial vein"
"P: pharyngeal vein"
Expected headings
"Mnemonic"