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| 1 | Foramen |
| In anatomy a foramen is any opening. The foramen magnum is the opening at the bottom of the skull. Related topics Skeleton ... | |
| 2 | Occipital bone |
| jugular notch, which, in the articulated skull, forms the posterior part of the jugular foramen. The... the posterior part of the jugular foramen. Figure 3 : Occipital bone at birth. Structure The... trapezoid in shape and curved on itself. It is pierced by a large oval aperture, the foramen magnum ... | |
| 3 | Foramen ovale |
| Two structures in the human body are called foramen ovale , meaning circular hole. In the fetal heart the foramen ovale allows blood to enter the left atrium of the heart from the right atrium... foramen ovale is still present. At the base of the skull the foramen ovale is a hole that transmits ... | |
| 4 | Skull |
| out of the foramen magnum ('coning') because there is no space for the brain to expand to—this... skull and what goes through each of them. Arranged from anterior to posterior: foramen caecum... posterior ethmoidal foramen - posterior ethmoidal artery, vein and nerve optic canal - optic nerve (II ... | |
| 5 | Foramen magnum |
| In anatomy, the foramen magnum is the large hole in the occipital bone in the base of the skull, through which the medulla oblongata (an extension of the spinal cord) exits the skull vault. In humans the foramen magnum is farther underneath the head than in great apes. Thus, the neck muscles do ... | |
| 6 | Temporal bone |
| jugular notch on the occipital, forms the jugular foramen; an eminence occasionally projects from... these, of large size, situated near the posterior border, is termed the mastoid foramen; it... position and size of this foramen are very variable; it is not always present; sometimes it is ... | |
| 7 | Mandibular nerve |
| The mandibular nerve is the third branch (V 3) of the trigeminal nerve . It exits the cranial fossa (at the base of the skull) through the foramen ovale. It conveys sensation from the lower teeth... inside of the cheek (the buccal mucosa). It runs into the mandible via the mandibular foramen where ... | |
| 8 | Supraorbital nerve |
| The supraorbital nerve arises from the orbit by the supraorbital foramen and supplies the upper eyelid and forehead integuments. It forms the frontal nerve with the supratrochlear nerve. The frontal nerve joins the nasociliary and lacrimal nerves to form the ophthalmic division (V1) of the ... | |
| 9 | Cauda equina |
| intervertebral foramen at the correct segment, the roots must travel down the length of the spine. All these ... | |
| 10 | Cauda equina |
| intervertebral foramen at the correct segment, the roots must travel down the length of the spine. All these ... | |
| 11 | Sternum |
| . Borders The superior border is the thickest and presents at its center the jugular or presternal... of the body is occasionally seen an orifice, the sternal foramen, of varying size and form. The... make their appearance one on either side of the jugular notch; they are probably vestiges of the ... | |
| 12 | Choroid plexus |
| ventricles. It passes into the interventricular foramen, and is present at the top of the third ventricle ... | |
| 13 | Accessory nerve |
| The accessory nerve is the eleventh of twelve cranial nerves. It leaves the cranium through the foramen magnum, and innervates the sternocleidomastoid muscle (sternomastoid) and trapezius muscle on the ipsilateral side. There are two parts to the accessory nerve, a spinal part (innervates the ... | |
| 14 | Sciatic nerve |
| The sciatic nerve is a large nerve that runs down the lower limb. It is the longest single nerve in the body. Arising from the lower part of the sacral plexus, the sciatic nerve enters the gluteal region by the greater sciatic foramen of the hip bone. It continues down the posterior compartment of ... | |
| 15 | T-bone steak |
| half the vertebral foramen. Although the spinal cord is removed by packers during processing, there ... |