Bone, parietal: The main bone on the side of the skull.
Although the parietal bone is curved, it is considered a flat bone (as opposed to a tubular bone). The parietal bone is shaped like an irregular quadrangle. It articulates (joins) with the other parietal bone in the midline (top of the head), with the frontal bone in front of it, with the occipital bone behind it, and with the sphenoid and temporal bones lower down on the side of the skull.
The word “parietal” comes from the Latin “parietalis” meaning “belonging to the wall.”
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Bone, sesamoid: A little bone that is embedded in a joint capsule or tendon; for example, the kneecap (patella).
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Bone, shin: The larger of the two bones in the lower leg. The shin bone is anatomically known as the tibia. Its smaller companion is the fibula.
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Bone, thigh: The thigh bone in anatomy is called the “femur.” Whichever term — thigh bone or femur — you care to use, it is the bone in the leg that extends from the hip to the knee. The thigh bone/femur constitutes the entire upper leg, all of the leg above the knee. As compared […]
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Bone, wing: Familiar term for the scapula, also called the shoulder blade or blade bone, the flat triangular bone at the back of the shoulder.
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Bone, zygomatic: The bone that forms the prominence of the cheek. The zygomatic bone is also known as the zygoma, the zygomatic arch, malar bone, yoke bone. The word “zygomatic” comes from the Greek “zygon” meaning a yoke (as for oxen).