Category Archives: Anatomy

Anatomy of the Eye

This tutorial is an overview of the general anatomy of the eye. It covers the most important elements of the eyeball.

The human eye: is the most valuable and sensitive sense organ and it is a natural optical instrument. The important parts of the eye: Cornea, Iris, Pupil, Eye Lens, Retina.

Clavicle

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the clavicle or collarbone is a long bone that serves as a strut between the scapula and the sternum. It is the only long bone in the body that lies horizontally. It makes up part of the shoulder and the pectoral girdle, and is palpable in all people; in people who have less fat in this region, the location of the bone is clearly visible, as it creates a bulge in the skin. It receives its name from the Latinclavicula (“little key”) because the bone rotates along its axis like a key when the shoulder is abducted.

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Scapula

In anatomy, the scapula or shoulder blade, is the bone that connects the humerus(upper arm bone) with the clavicle (collar bone). Like their connected bones the scapulae are paired, with the scapula on the left side of the body being roughly a mirror image of the right scapula. In early Roman times, people thought the bone resembled a trowel, a small shovel. The shoulder blade is also called omo in Latin medical terminology.

The scapula forms the posterior (back) located part of the shoulder girdle. In humans, it is a flat bone, roughly triangular in shape, placed on a posterolateral aspect of the thoracic cage.

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