The parietal lobe is one of the four lobes of the cerebrum which and it lies posterior to the central sulcus and above the lateral sulcus. It is the major centre for reception and evaluation of all sensory information except smell, hearing and vision. In the parietal lobe: 1. The postcentral sulcus runs downwards and [...]
The levator scapulae muscle is an elongated muscle present in the shoulder girdle. It acts as a connection between the upper limb and the vertebral column and can be located in the posterior triangle of the neck. Sternocleidomastoid covers the superior aspect of the levator scapulae whereas its inferior part is covered by trapezius and by its [...]
Not really a part of the skull, this U-shaped bone lies in the very front of the neck between the mandible and the larynx in the level of the third cervical vertebra. It's exceptional in the meaning that, it's suspended from styloid processes of temporal bones by stylohyoid ligaments and it does not articulate with [...]
The muscles of mastication are concerned with movements of mandible in the temporomandibular joints during mastication. They're split into 2 groups: Main muscles: Temporalis. Masseter. Lateral pterygoid. Medial pterygoid. Accessory muscles: Digastric. Buccinator. Mylohyoid. Geniohyoid. Primary Muscles of Mastication The characteristic features of the main muscles of mastication are as follows: All are [...]
It appears from internal carotid artery as it appears medial to anterior clinoid process near the optic canal from the roof of the cavernous sinus. It's branch of the internal carotid artery. Via optic canal inferolateral to the optic nerve the artery enters the orbit, both being located in a standard dural sheath. [...]
Midbrain It includes the nuclei of the 3rd (oculomotor), 4th (trochlear) and 5th (trigeminal) cranial nerves. The midbrain is the smallest section of the brainstem and is situated just above the pons. It is traversed by the cerebral aqueduct. The part dorsal to the aqueduct is termed the tectum and is composed of [...]
Hyoid Bone Not really a part of the skull, this U-shaped bone lies in the very front of the neck between the mandible and the larynx in the level of the third cervical vertebra. It’s exceptional in the meaning that, it’s suspended from styloid processes of temporal bones by stylohyoid ligaments and it does not [...]
The zygomaticotemporal nerve arises from a foramen located on the anterior wall of the temporal fossa. This foramen is located at the back of the lateral orbital rim, posterior towards the zygoma at the plane of the lateral canthus. Zygomaticotemporal Nerve Insertion The zygomaticotemporal nerve travels with the lower outer part of the [...]
The sagittal suture is a fibrous connective tissue joint in the middle of the two parietal bones of the skull. The sagittal suture is also called Interparietal suture or Sutura interparietalis. Sagittal Suture The sagittal suture is located medially in the middle of the two parietal bones. This is finely denticulated, with the [...]
The lesser palatine foramen refers to 2 small foramina corresponding the aperture within the hard palate of a small co-contributing canal originating from the greater palatine canal called the lesser palatine canal. They are located within the posterior palatine bone posterior towards the greater palatine foramen as well as at the bottom of the pyramidal [...]