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Information about Mastoid Lymph Nodes

Lymph:
Superficial lymph glands and lymphatic vessels of head and neck. (Posterior auricular labeled at center left.)
Lymph nodes at Surface:
1. Occipital (retroauricular)
2. Mastoid
3. Superficial Parotid
4. Deep Parotid
5. Preauricular
6. Infraauricular
7. Intraglandular parotid

Facial Lymph Nodes:
8. Buccinator
9. Nasolabial
10. Mandibular
11. Anterior Cervical (Superficial jugular)
12. Superficial Cervical (External jugular)
Latinnodi lymphoidei mastoidei
subject #177 693
Drains fromscalp
Drains tosuperior deep cervical glands
Dorlands/Elseviern_09/12576727
The mastoid lymph nodes (posterior auricular glands), usually two in number, are situated on the mastoid insertion of the Sternocleidomastoideus, beneath the Auricularis posterior.

Their afferent vessels drain the posterior part of the temporoparietal region, the upper part of the cranial surface of the auricula or pinna, and the back of the external acoustic meatus; their efferents pass to the superior deep cervical glands.

This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained herein may be outdated. Please edit the article if this is the case, and feel free to remove this notice when it is no longer relevant.

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Lymphatics of head and neck
HeadOccipital - Mastoid - Parotid (Preauricular) - Buccinator - Submandibular - Submental - Retropharyngeal
NeckCervical (Superficial, Superior deep, Inferior deep) - Supraclavicular (Virchow's) - Paratracheal - Jugular trunk
Tonsils/Waldeyer's tonsillar ringPalatine - Lingual - Adenoid - Tubal
Latin}}} 
Official status
Official language of: Vatican City
Used for official purposes, but not spoken in everyday speech
Regulated by: Opus Fundatum Latinitas
Roman Catholic Church
Language codes
ISO 639-1: la
ISO 639-2: lat
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''For other uses of the word, see Scalp (disambiguation)
The scalp is the anatomical area bordered by the face anteriorly and the neck to the sides and posteriorly.
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The superior deep cervical lymph nodes lie under the Sternocleidomastoideus in close relation with the accessory nerve and the internal jugular vein.

Some of the glands lie in front of and others behind the vessel.
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Elsevier, the world's largest publisher of medical and scientific literature, forms part of the Reed Elsevier group. Based in Amsterdam, the company has substantial operations in the UK, USA and elsewhere.
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In human anatomy, the sternocleidomastoid (pronounced /ˌstɚ.noˌkli.dəˈmæs.tɔɪ̯d/) muscles are anterior muscles in the neck that act to flex and rotate the head.
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The Auriculares muscles are the three muscles surrounding the auricula or outer ear.
  • The Auricularis anterior (Attrahens aurem), the smallest of the three, is thin and fan-shaped, and its fibers are pale and indistinct.

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Auricula can refer to:
  • In botany, the plant Primula auricula, a type of primrose
  • In anatomy, another name for the external portion of the ear, the pinna
  • In anatomy, a small conical pouch that projects from each atrium of the heart.

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The ear canal (external auditory meatus, external acoustic meatus), is a tube running from the outer ear to the middle ear. The ear canal extends from the pinna to the eardrum and is about 26 mm in length and 7 mm in diameter.
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The superior deep cervical lymph nodes lie under the Sternocleidomastoideus in close relation with the accessory nerve and the internal jugular vein.

Some of the glands lie in front of and others behind the vessel.
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Public domain comprises the body of knowledge and innovation (especially creative works such as writing, art, music, and inventions) in relation to which no person or other legal entity can establish or maintain proprietary interests within a particular legal jurisdiction.
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Henry Gray's Anatomy of the Human Body (or Gray's Anatomy as it has commonly been shortened) is an English-language human anatomy textbook widely regarded as a classic work on the subject.
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The lymphatic system is a complex network of lymphoid organs, lymph nodes, lymph ducts, lymphatic tissues, lymph capillaries and lymph vessels that produce and transport lymph fluid from tissues to the circulatory system.
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Head and neck anatomy focuses on the structures of the head and neck of the human body, including the brain, bones, muscles, blood vessels, nerves, glands, nose, mouth, teeth, tongue, and throat.
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The occipital lymph nodes, one to three in number, are located on the back of the head close to the margin of the Trapezius and resting on the insertion of the Semispinalis capitis.
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The parotid lymph nodes, form two groups in relation with the parotid salivary gland, viz., a group imbedded in the substance of the gland, and a group of subparotid glands lying on the lateral wall of the pharynx.
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The preauricular deep parotid lymph nodes (anterior auricular glands or preauricular glands), from one to three in number, lie immediately in front of the tragus.
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The buccinator lymph node or nodes are one or more lymph nodes placed on the Buccinator opposite the angle of the mouth.

External links

  • Norman/Georgetown lesson5 ( livingnecklateral )

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The submandibular lymph nodes (submaxillary glands in older texts), three to six in number, are placed beneath the body of the mandible in the submaxillary triangle, and rest on the superficial surface of the submaxillary salivary gland.
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The submental lymph nodes (or suprahyoid) are situated between the anterior bellies of the Digastrici.

Their afferents drain the central portions of the lower lip and floor of the mouth and the apex of the tongue.
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The retropharyngeal lymph nodes, from one to three in number, lie in the buccopharyngeal fascia, behind the upper part of the pharynx and in front of the arch of the atlas, being separated, however, from the latter by the Longus capitis.
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Cervical lymph nodes are lymph nodes found in the neck.

Anterior cervical nodes

The anterior cervical nodes are a group of nodes found on the anterior part of the neck.
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The superficial cervical lymph nodes lie in close relationship with the external jugular vein as it emerges from the parotid gland, and, therefore, superficial to the Sternocleidomastoideus.
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The superior deep cervical lymph nodes lie under the Sternocleidomastoideus in close relation with the accessory nerve and the internal jugular vein.

Some of the glands lie in front of and others behind the vessel.
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The inferior deep cervical lymph nodes extend beyond the posterior margin of the Sternocleidomastoideus into the supraclavicular triangle, where they are closely related to the brachial plexus and subclavian vein.
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Supraclavicular lymph nodes are lymph nodes found superior to the clavicle, palpable in the supraclavicular fossa.

The most notable supraclavicular lymph node is Virchow's node.
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In medicine (oncology), Virchow's node (or signal node) is an enlarged, hard, left supraclavicular lymph node which can contain metastasis of visceral (abdominal) malignancy.
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The right and left paratracheal lymph nodes (or paratracheal chains) are groups of lymph nodes located in the thorax.

External links

  • Histology at wisc.

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Please help [ improve the introduction] to meet Wikipedia's layout standards.

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For the structure in the cerebellum, see cerebellar tonsil.
The tonsils are areas of lymphoid tissue on either side of the throat. An infection of the tonsils is called tonsillitis.
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Waldeyer's tonsillar ring is an anatomical term describing the lymphoid tissue ring located in the nasopharynx.

It was named after the nineteenth century German anatomist Heinrich Wilhelm Gottfried von Waldeyer-Hartz.
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