..Starting node ..Abnormal common tendinous ring morphology (HP:0030671)
Term ID:
30671
Name:
Abnormal common tendinous ring morphology
Synonym:
Abnormality of the common tendinous ring
Definition:
Any anomaly of the ring of fibrous tissue that surrounds the optic nerve at its entrance at the apex of the orbit. The common tendinous ring, also known as the annulus of Zinn or annular tendon, is the origin for five of the seven extraocular muscles.