Showing results for "neck"

Vasculature of the Thorax

The Superior Vena Cava

...hypertension, and SVC obstruction. Tributaries The superior vena cava contains venous blood from the head, neck, both upper limbs and from structures within the thorax It is formed by the...

Bones of the Head

The Occipital Bone

...of the atlas in neck extension. This fossa contains the condylar canal, which may carry the occipital emissary veins that perforate the bone to attach suboccipital venous plexuses with the...

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Splenius Capitis

The splenius capitis is a deep muscle of the back. It is part of the spinotransversales muscle group and is located on the posterior aspect of the neck, covering the...

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Splenius Cervicis

The splenius cervicis is a deep muscle of the back. It is part of the spinotransversales muscle group and is located on the posterior aspect of the neck, covering the...

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Geniohyoid

The geniohyoid is a suprahyoid muscle of the neck. It is located either side of the midline of the neck, deep to the mylohyoid muscle. Attachments: Arises from the inferior...

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Middle Scalene

The middle scalene is one of the scalene muscles of the neck. It is the largest of the three scalene muscles and consists of several muscle bellies arising from the...

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Posterior Scalene

The posterior scalene is one of the scalene muscles of the neck. It is the smallest and the deepest of the scalene muscles. Attachments: Originates from the posterior tubercles of...

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Great Auricular Nerve

The great auricular nerve is a sensory neck of the head and neck. It is the largest ascending branch of the cervical plexus. It supplies sensation to the skin overlying...

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Lingual Artery

The lingual artery is an artery of the head and neck region. It is the third major branch of the external carotid artery. It is responsible for the blood supply...

Systems

The Parasympathetic Nervous System

...Short Myelination Yes No Neurotransmitter released Acetylcholine Acetylcholine Table 1: Neurones of the parasympathetic nervous system. Head & Neck The parasympathetic innervation of the head and neck originates in the...