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Base of skull. Base of the skull, exterior or outer surface. Showing various muscle attachments. The base of skull, also known as the cranial base or the cranial floor, is the most inferior area of the skull. It is composed of the endocranium and the lower parts of the calvaria.
Anatomical terms of muscle. [edit on Wikidata] The splenius capitis (/ ˈspliːniəs ˈkæpɪtɪs /) (from Greek splēníon 'bandage' and Latin caput 'head' [1][2]) is a broad, straplike muscle in the back of the neck. It pulls on the base of the skull from the vertebrae in the neck and upper thorax. It is involved in movements such as shaking ...
abducts, intorts, and depress eye. right medial, superior, and inferior recti (superior and inferior oblique muscles are the synergists) 2. 1. oblique, inferior. head, extraocular (left/right) orbital surface of maxilla, lateral to lacrimal groove. laterally onto eyeball, deep to lateral rectus, by a short flat tendon.
The skeletal section of the head and neck forms the top part of the axial skeleton and is made up of the skull, hyoid bone, auditory ossicles, and cervical spine. The skull can be further subdivided into: the cranium (8 bones: frontal, 2-parietal, occipital, 2-temporal, sphenoid, ethmoid), and.
The nuchal ligament extends from the external occipital protuberance on the skull and median nuchal line to the spinous process of the seventh cervical vertebra in the lower part of the neck. [1] From the anterior border of the nuchal ligament, a fibrous lamina is given off. This is attached to the posterior tubercle of the atlas, and to the ...
The styloid process is a slender and pointed bony process of the temporal bone projecting anteroinferiorly from the inferior surface of the temporal bone [1] just below the ear. [citation needed] Its length normally ranges from just under 3 cm to just over 4 cm. It is usually nearly straight, but may be curved in some individuals.
Epicranial aponeurosis. Muscles of the head, face, and neck. (Epicranial aponeurosis visible at top labeled 1.) The epicranial aponeurosis (aponeurosis epicranialis, galea aponeurotica) is an aponeurosis (a tough layer of dense fibrous tissue). It covers the upper part of the skull in humans and many other animals.
Occipital neuralgia. Occipital neuralgia (ON) is a painful condition affecting the posterior head in the distributions of the greater occipital nerve (GON), lesser occipital nerve (LON), third occipital nerve (TON), or a combination of the three. It is paroxysmal, lasting from seconds to minutes, and often consists of lancinating pain that ...