Assertion: coccyx's surface | /r/UsedFor | the attachment of muscles
Facets:
Source sentences:
text: In addition to the two lateral borders, the coccyx also has two surfaces: an anterior (front) surface, which is concave (curved inwardly) and grooved, allowing for the attachment of muscles such as the levator ani; and it has a posterior (back) surface, which is convex (curved outwardly) and marked by tubercles such as the coccygeal cornua (see above).
text: : In addition to the two lateral borders, the coccyx also has two surfaces: an anterior (front) surface, which is concave (curved inwardly) and grooved, allowing for the attachment of muscles such as the levator ani; and it has a posterior (back) surface, which is convex (curved outwardly) and marked by tubercles such as the coccygeal cornua (see above).