Submandibular ganglion

submaxillary ganglionsubmandibularsubmaxillary
The submandibular ganglion (or submaxillary ganglion in older texts) is part of the human autonomic nervous system.wikipedia
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Pterygopalatine ganglion

sphenopalatine ganglionpterygopalatineMeckel's ganglion
(The others are the otic ganglion, pterygopalatine ganglion, and ciliary ganglion).
It is one of four parasympathetic ganglia of the head and neck, the others being the submandibular ganglion, otic ganglion, and ciliary ganglion.

Parasympathetic ganglion

parasympathetic gangliaganglia, parasympatheticintrinsic ganglia
It is one of four parasympathetic ganglia of the head and neck.

Otic ganglion

oticotic ganglia
(The others are the otic ganglion, pterygopalatine ganglion, and ciliary ganglion).
The others are the ciliary ganglion, the submandibular ganglion and the pterygopalatine ganglion.

Ciliary ganglion

Light-near dissociationciliary
(The others are the otic ganglion, pterygopalatine ganglion, and ciliary ganglion).
(The others are the submandibular ganglion, pterygopalatine ganglion, and otic ganglion).

Lingual nerve

linguallingual nervesnerve
The ganglion 'hangs' by two nerve filaments from the lower border of the lingual nerve (itself a branch of the mandibular nerve, CN V 3 ).
The chorda tympani (a branch of the facial nerve, CN VII) joins it at an acute angle here, carrying taste fibers from the anterior two thirds of the tongue and parasympathetic fibers to the submandibular ganglion.

Submandibular gland

submandibularsubmaxillary glandsublingual caruncle
It is situated above the deep portion of the submandibular gland, on the hyoglossus muscle, near the posterior border of the mylohyoid muscle.

Chorda tympani

chorda tympani nervechorda tympani'' nerve
Through the posterior of these it receives a branch from the chorda tympani nerve which runs in the sheath of the lingual nerve.
The fibers of the chorda tympani travel with the lingual nerve to the submandibular ganglion.

Salivatory nuclei

inferior salivatory nucleussuperior salivatory nucleussuperior salivary nucleus
Preganglionic parasympathetic fibers are also distributed partly via the chorda tympani and lingual nerves to the submandibular ganglion, thence by postganglionic (vasodilator) fibers to the submandibular and sublingual salivary glands.

Sublingual gland

sublingualsublingual salivary glandRivinus ducts
The chorda tympani nerve (from the facial nerve via the submandibular ganglion) is secretomotor and provides parasympathetic supply to the sublingual glands.

Autonomic nervous system

autonomicautonomous nervous systemautonomic functions
The submandibular ganglion (or submaxillary ganglion in older texts) is part of the human autonomic nervous system.

Fusiform

fusoidspindle-shapedfusiod
The submandibular ganglion is small and fusiform in shape.

Hyoglossus

hyoglossus musclehyoglossi
It is situated above the deep portion of the submandibular gland, on the hyoglossus muscle, near the posterior border of the mylohyoid muscle.

Mylohyoid muscle

mylohyoidMylohyoideus
It is situated above the deep portion of the submandibular gland, on the hyoglossus muscle, near the posterior border of the mylohyoid muscle.

Mandibular nerve

mandibular divisionmandibular division of the trigeminal nervemandibular
The ganglion 'hangs' by two nerve filaments from the lower border of the lingual nerve (itself a branch of the mandibular nerve, CN V 3 ).

Facial artery

external maxillary arteryfacial arteries

Ludwig's angina

Ludwig angina
Other causes include a parapharyngeal abscess, mandibular fracture, cut or piercing inside the mouth, or submandibular salivary stones.

Johann Friedrich Meckel, the Elder

Johann Friedrich Meckel the ElderJohann Friedrich MeckelJohann Friedrich Meckel von Hemsbach
Meckel earned his medical doctorate from the University of Göttingen in 1748, and in his thesis, "Tractatus anatomico physiologicus de quinto pare nervorum cerebri", he documented his discovery of the submandibular ganglion.

Lingual papillae

papillaecircumvallate papillaefiliform papillae
The fungiform papillae are innervated by the seventh cranial nerve, more specifically via the submandibular ganglion, chorda tympani, and geniculate ganglion ascending to the solitary nucleus in the brainstem.