The cyclical changes occurring in the ovary regarded as periodic preparations for fertilization.
Ova
The reproductive cell produced by the Ovaries.
Outward Rotation
A movement in which the part is moved along its Axis in the Lateral direction.
Osteoporosis
A condition in wich there is a reduction in the density of bone.
Osteon
also known as Haversian System; a structure in Compact Bone made of a Central Canal containing blood capillaries and the surrounding concentric osseous lamellae.
Osteomalacia
A disease in adults as a result of Vitamin D deficiency, characterized by softening and bending of Bone.
Osteocyte
A Bone Cell located in the Lacunae that helps maintain Bone.
Osteoclast
A Cell found in Bone that reabsorbs Bone.