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Head and Neck

Parietal lobe

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

Levator Scapulae Muscle

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

Ethmoid Bone

The ethmoid bone is situated between 2 orbital cavities and is an unpaired delicate bone. It possesses a perforated (sieve-like) plate referred to as cribriform plate that is why it is called ethmoid bone (Gr. ethmoid = sieve-like). Parts The ethmoid bone is made from the following

Triangles On The Side of the Neck

The side of the neck is quadrangular in shape (vide supra). The sternocleidomastoid muscle splits this quadrilateral area into large anterior and posterior triangles, from mastoid process to the upper end of the sternum, which runs across this area diagonally. The attachments of 2 major superficial muscles,

Mandibular Nerve

Among the 3 sections of the trigeminal nerve the mandibular nerve is the largest one. Being composed of both sensory and motor fibres, it’s a mixed nerve. It supplies all the structures originated from this arch because it is a nerve of the very first pharyngeal arch,

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