Difference between revisions of "Mandibular Gland - Anatomy & Physiology"
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| − | [[ | + | {{OpenPagesTop}} |
| − | + | ==Overview== | |
| + | [[File:Salivary glands.jpg|500px|right|thumb|Dog salivary glands]] | ||
| + | The '''mandibular gland''' produces a '''merocrine''' secretion, which means it is a mixed gland - [[Serous Salivary Gland - Anatomy & Physiology|serous]] and [[Mucous Salivary Gland - Anatomy & Physiology|mucous]] secretions. | ||
| + | It is generally smaller than the '''[[Parotid Gland - Anatomy & Physiology|parotid]]''' gland and is a moderately large gland in carnivores and herbivores. It is compact and located around the angle of the jaw. | ||
| − | + | The '''mandibular duct''' runs ventral to the mucous membrane of the floor of the [[Oral Cavity Overview - Anatomy & Physiology|oral cavity]], close to the '''frenulum''' of the [[Tongue - Anatomy & Physiology|tongue]]. The duct opens at the '''sublingual caruncle'''. | |
| − | + | ==Histology== | |
| − | The ''' | + | The mandibular gland is known as a '''tubulo-acinar gland'''. It consists of [[Mucous Salivary Gland - Anatomy & Physiology|mucous]] cells that stain lighter and [[Serous Salivary Gland - Anatomy & Physiology|serous]] demilunes that stain darker. '''Demilunes''' secrete into lumen by canaliculi between mucous cells. |
==Innervation== | ==Innervation== | ||
| − | The mandibular gland is innervated by the '''facial''' nerve ([[Cranial Nerves - Anatomy & Physiology|CN VII]]) via the '''chordi tympanii''' | + | The mandibular gland is innervated by the '''facial''' nerve ([[Cranial Nerves - Anatomy & Physiology|CN VII]]) via the '''chordi tympanii''' and by the '''trigeminal''' nerve ([[Cranial Nerves - Anatomy & Physiology|CN V]]). |
==Species Differences== | ==Species Differences== | ||
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The mandibular gland in herbivores is larger and deeper. | The mandibular gland in herbivores is larger and deeper. | ||
| − | = | + | {{Template:Learning |
| − | + | |flashcards = [[Salivary Gland Anatomy & Physiology Flashcards]] | |
| − | + | |powerpoints = [[Oral Cavity Histology resource|Oral cavity histology tutorial, which looks at salivary glands]] | |
| − | + | |Vetstream = [https://www.vetstream.com/canis/search?s=salivary Salivary Gland Diseases] | |
| − | + | }} | |
| − | |||
| + | {{OpenPages}} | ||
[[Category:Salivary Glands - Anatomy & Physiology]] | [[Category:Salivary Glands - Anatomy & Physiology]] | ||
| − | [[Category: | + | [[Category:A&P Done]] |
| + | [[Category:David_Hogg_reviewing]] | ||
Revision as of 10:07, 7 May 2016
Overview
The mandibular gland produces a merocrine secretion, which means it is a mixed gland - serous and mucous secretions. It is generally smaller than the parotid gland and is a moderately large gland in carnivores and herbivores. It is compact and located around the angle of the jaw.
The mandibular duct runs ventral to the mucous membrane of the floor of the oral cavity, close to the frenulum of the tongue. The duct opens at the sublingual caruncle.
Histology
The mandibular gland is known as a tubulo-acinar gland. It consists of mucous cells that stain lighter and serous demilunes that stain darker. Demilunes secrete into lumen by canaliculi between mucous cells.
Innervation
The mandibular gland is innervated by the facial nerve (CN VII) via the chordi tympanii and by the trigeminal nerve (CN V).
Species Differences
Carnivores
The mandibular gland produces mainly mucous secretions in the dog and cat. It is an oval shape in the canid.
Herbivores
The mandibular gland in herbivores is larger and deeper.
| Mandibular Gland - Anatomy & Physiology Learning Resources | |
|---|---|
 To reach the Vetstream content, please select |
Canis, Felis, Lapis or Equis |
 Test your knowledge using flashcard type questions |
Salivary Gland Anatomy & Physiology Flashcards |
 Selection of relevant PowerPoint tutorials |
Oral cavity histology tutorial, which looks at salivary glands |
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