Medicine and new technologies

Articulations of the trunk

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There are different varieties of articulations in the trunk.

The lacrimal bones (French: os lacrymal) are extremely thin and delicate, quadrilateral in shape, and situated at the anterior part of the inner wall of the orbit. They are the smallest of the facial bones.

Ethmoid bone

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The ethmoid (french: ethmoide) is a bone of delicate texture, situated at the anterior part of the skull-base; it is roughly cuboidal in shape, and its delicacy is due to the fact that it is honeycombed by air-cells. The bone consists of four parts: the horizontal or cribriform plate, two lateral masses, and a perpendicular plate.

Temporal bone

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The adult temporal bone (French: os temporal) consists of three parts, so firmly united as to afford little trace of its complex origin. At birth the three parts are easily separable as the squamosal, petrosal, and tympanic.

Anatomic description of the biceps muscle

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The biceps flexor cubiti (French: muscle biceps-brachial) - named from its two heads and its action - is a thick, somewhat flattened fusiform muscle with a bifid upper extremity.

Coraco-brachialis muscle

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The coraco-brachialis muscle (French: muscle coraco-brachial) - named from its attachment to the coracoid process and he upper arm braclhium - is a cylindrical muscle, but somewhat fusiform at the extremities.

Sphenoid bone

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The sphenoid forms a large part of the base of the skull in the region of the anterior and middle fossae. It is very irregular in shape, and is best described as consisting of a body, two pairs of wings, and two pairs of processes.

Anatomic description of the tibia

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The tibia is the larger bone of the leg; it is situated on the inner side of, and nearly parallel with, the fibula. The upper extremity, or head, consists of two lateral eminences, or tuberosities.