See Also: sphincter of the pharyngeal isthmus(medicine)
pharyngeal isthmus(medicine)
complementary medicine(dictionary)
complementary medicine(medicine)
complementary base pairing(medicine)
complementary base pairs(medicine)
pharyngeal branch of the ascending pharyngeal artery(medicine)
Herbal medicine (botanical medicine, herbology, phytomedicine)(health)
Complementary DNA(health)
DNA, complementary(medicine)

complementary base pairs (medicine) and sphincter of the pharyngeal isthmus (medicine)


complementary base pairs (medicine)


complementary base pairs
<molecular biology> The crucial property of DNA is that the two strands are complementary: Guanine and cytosine are complementary and pair up through their hydrogen bonds, as are adenine and thymine that only form two hydrogen bonds. (adenine and uracil in RNA).


sphincter of the pharyngeal isthmus (medicine)


sphincter of the pharyngeal isthmus -->
palatopharyngeal sphincter


A constant band of the superior pharyngeal constrictor muscle which sweeps posteriorly from the anterolateral part of the superior surface of the palatine aponeurosis. It creates a visible ridge when the superior constrictor is contracted, meeting the elevated soft palate to seal off the pharyngeal isthmus during swallowing.

Synonym: pharyngeal ridge, sphincter of the pharyngeal isthmus, velopharyngeal sphincter.