The trochlear nerve (the fourth cranial nerve) is a motor nerve (a “somatic efferent” nerve) that innervates a single muscle: the superior oblique muscle of the eye.The trochlear nerve is […]
List of articles in "Anatomical Structure" category - Page 419
Oculomotor nerve
The oculomotor nerve is the third cranial nerve. It enters the orbit via the superior orbital fissure and controls most of the eye’s movements including constriction of the pupil and […]
Trapezoid bone
The trapezoid bone (lesser multangular bone) is a carpal bone in tetrapods including humans. It is the smallest bone in the distal row. It may be known by its wedge-shaped […]
Cuboid bone
In the human body the cuboid bone is one of the seven tarsal bones of the foot.
Human mandible
The mandible (from Latin mandibula jawbone) or inferior maxillary bone forms the lower jaw and holds the lower teeth in place. In the midline on the anterior surface of the […]
Maxilla
The maxillae (plural: maxillae /mækˈsɪliː/) consist of upper palate of mouth or maxilla (/mækˈsɪlə/); or two halves that are fused at the intermaxillary suture to form the upper jaw. This […]
Levator labii superioris alaeque nasi muscle
The levator labii superioris alaeque nasi muscle is translated from Latin the lifter of both the upper lip and of the wing of the nose. It has the longest name […]
Inferior vena cava
The inferior vena cava (or IVC) also known as the posterior vena cava is the large vein that carries deoxygenated blood from the lower half of the body into the […]
Superior vena cava
The superior vena cava (also known as the cava or cva) is a large diameter yet short vein that carries deoxygenated blood from the upper half of the body to […]
Brachiocephalic vein
The left and right brachiocephalic veins (or innominate veins) in the upper chest are formed by the union of each corresponding internal jugular vein and subclavian vein. This is at […]