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The supraorbital vein is a vein of the forehead. It communicates with the frontal branch of the superficial temporal vein. It passes through the supraorbital notch, and merges with the angular vein to form the superior ophthalmic vein. The supraorbital vein helps to drain blood from the forehead, eyebrow, and upper eyelid.
The veins converge to form a single trunk, which runs downward near the middle line of the forehead parallel with the vein of the opposite side. The two veins are joined, at the root of the nose, by a transverse branch, called the nasal arch , which receives some small veins from the dorsum of the nose.
Deleted erroneous label to external pudendal vein. Deleted inferior thyroid vein (Since there are many other veins on the anterior face of the neck of equal importance). Redraw last intercostal veins. Add temporal vein (not labelled). Correct position of superior and inferior epigastric veins. Corrections of arrows of external iliac vein.
The bottom of the forehead is marked by the supraorbital ridge, the bone feature of the skull above the eyes. The two sides of the forehead are marked by the temporal ridge, a bone feature that links the supraorbital ridge to the coronal suture line and beyond. [1] [2] However, the eyebrows do not form part of the forehead.
Draw in layers to made easy the modifications. Correction of the position of many of the arteries, veins and heart. Correction of too large abdomen and too small kidneys. Added venous sinuses. Arrows with heads, and different color to facilitate the location of the items. Colour text to improve the location of arteries and veins.
Oxygen-poor blood enters the right side of the heart through two large veins. Oxygen-rich blood from the lungs enters through the pulmonary veins on the left side of the heart into the aorta and then reaches the rest of the body. The capillaries are responsible for allowing the blood to receive oxygen through tiny air sacs in the lungs.
Forming the exterior end of the infraorbital canal, the infraorbital foramen communicates with the infraorbital groove, the canal's opening on the interior side.. The ramifications of the three principal branches of the trigeminal nerve—at the supraorbital, infraorbital, and mental foramen—are distributed on a vertical line (in anterior view) passing through the middle of the pupil.
The frontalis muscle (from Latin 'frontal muscle') is a muscle which covers parts of the forehead of the skull.Some sources consider the frontalis muscle to be a distinct muscle.