The zona orbicularis or annular ligament is a ligament on the neck of the femur formed by the circular fibers of the articular capsule of the hip joint...

The circular fibers form a collar around the femoral neck called the zona orbicularis. The longitudinal retinacular fibers travel along the neck and carry...

deeper fibres of the ligament are continuous with the fibres of the zona orbicularis of the capsule. This ligament is less well-defined than the other two...

two sets of fibers, circular and longitudinal. The circular fibers, zona orbicularis, are most abundant at the lower and back part of the capsule, and form...

femur firmly into the acetabulum, thus stabilizing the joint. The zona orbicularis assists in maintaining the contact in the joint by acting like a buttonhole...

ligament of the head of the femur. The former three ligaments form the zona orbicularis or annular ligament which encases the femoral neck, stabilizing the...

radiation optic recess optic tract ora serrata oral cavity orbicularis oculi muscle orbicularis oris muscle orbit orbitofrontal cortex organ organ of Corti...

(Bombina bombina, Hyla arborea, Salamandra salamandra), reptiles (Emys orbicularis, Natrix tessellata), fish (carp, bream, zander, wels, pike, chub, perch...

L circular, from orbis, ring; orbicular Celastrus orbiculatus H DS C orbicularis H DS oreophilus G mountain Sarracenia oreophila H DS C oresbius H DS...

based on palynological data of Echitriporites trianguliformis var. orbicularis, Nothofagidites sp. and Multiporopollenites pauciporatus, to be Middle...

; Zetter, R. (2005). "Ultrastructure and diversity of recent and fossil zona-aperturate pollen grains". Plant Systematics and Evolution. 255 (3): 145–176...

1962, Etayo Serna published his first work about the species Codakia orbicularis and Codakia orbiculata. He has defined many geologic formations of Colombia...