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Information about Mucous Glands

Vertical section of papilla foliata of the rabbit, passing across the folia. (Serous gland labeled at bottom right.)
Human submaxillary gland. At the right is a group of mucous alveoli, at the left a group of serous alveoli.
Latinglandula mucosa
subject #242 1131
Dorlands/Elsevier g_06/12392488
Mucous glands, found in several different parts of the body, typically stain lighter than serous glands during standard histological preparation. Most are multicellular, but goblet cell are single-celled glands.

Mucous salivary glands

The mucous salivary glands are similar in structure to the labial and buccal glands.

They are found especially at the back part behind the vallate papillae, but are also present at the apex and marginal parts.

In this connection the anterior lingual glands (Blandin or Nuhn) require special notice.

They are situated on the under surface of the apex of the tongue, one on either side of the frenulum, where they are covered by a fasciculus of muscular fibers derived from the Styloglossus and Longitudinalis inferior.

They are from 12 to 25 mm. long, and about 8 mm. broad, and each opens by three or four ducts on the under surface of the apex.

See also

External links

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 As such, some of the information contained herein may be outdated.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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Glands (Endocrine, Exocrine)
Classificationmechanism (Merocrine, Apocrine, Holocrine) shape (Tubular gland, Alveolar gland) secretion (Serous glands, Mucous glands, Serous demilune)
DuctsInterlobar duct, Interlobular duct, Intralobular duct (Striated duct, Intercalated duct), Acinus
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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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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Goblet cells are glandular simple columnar epithelial cells whose sole function is to secrete mucus.

The majority of the cell's cytoplasm is occupied by mucinogen granules, except at the bottom.
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Labial may refer to:
  • the lips.
  • the labia.
  • In linguistics, a labial consonant.
  • In zoology, a labial scale.
  • A flue (instrument)

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Buccal can refer to:
  • The adjective form of cheek
  • The "buccal artery", also known as the Buccinator artery
  • Buccal nerve
  • The 'outer' surface of a tooth Dental caries

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The circumvallate papillae (or vallate papillae) are of large size (dome-shaped structures), and vary from eight to twelve in number.

They are situated on the dorsum of the tongue immediately in front of the foramen cecum and sulcus terminalis, forming a row on
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The Styloglossus, the shortest and smallest of the three styloid muscles, arises from the anterior and lateral surfaces of the styloid process, near its apex, and from the stylomandibular ligament.
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The Longitudinalis linguæ inferior is a narrow band situated on the under surface of the tongue between the Genioglossus and Hyoglossus.

Course

It extends from the root to the apex of the tongue: behind, some of its fibers are connected with the body of the hyoid bone; in
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highly specialized aspect of its associated subject.
Please help [ improve this article] by adding more general information.


Mucus is a slippery secretion of the lining of the mucous membranes in the body.
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gland is an organ in an animal's body that synthesizes a substance for release such as hormones, often into the bloodstream (endocrine gland) or into cavities inside the body or its outer surface (exocrine gland).
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Exocrine glands are glands that secrete their products (enzymes) into ducts (duct glands). They are the counterparts to endocrine glands, which secrete their products (hormones) directly into the bloodstream (ductless glands).
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eMedicine is an online clinical medical knowledge base that was founded in 1996 by Scott Plantz and Richard Lavely, two medical doctors. It was sold to WebMD in January 2006.
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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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gland is an organ in an animal's body that synthesizes a substance for release such as hormones, often into the bloodstream (endocrine gland) or into cavities inside the body or its outer surface (exocrine gland).
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Endocrine glands are glands that secrete their product directly into the blood rather than through a duct. This group contains the glands of the Endocrine system.

External links

  • Endocrine+glands at eMedicine Dictionary

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Exocrine glands are glands that secrete their products (enzymes) into ducts (duct glands). They are the counterparts to endocrine glands, which secrete their products (hormones) directly into the bloodstream (ductless glands).
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Merocrine (eccrine) is a classification of exocrine glands in the study of Histology.

A cell is classified as merocrine if the secretions of that cell dump directly into the lumen.
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Apocrine is a term used to classify exocrine glands in the study of histology. Cells which are classified as apocrine bud their secretions off through the plasma membrane producing membrane bound vesicles in the lumen.
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Holocrine is a classification of exocrine glands in the study of Histology.

Holocrine secretions are produced within the cell followed by the rupture of the plasma membrane, thus releasing the cellular contents into the lumen.
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If a gland retains its shape as a tube throughout it is termed a tubular gland.[1] [2]

Tubular glands are further classified as one of the following:

Name Description Location
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alveolar glands[1] (or saccular glands[2][3], or acinar glands[4], or acinous glands[5][6]).
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Serous glands contain serous acini, a grouping of serous cells that secrete a fluid, isotonic with blood plasma, that contains enzymes such as alpha amylase.

Serous glands are most common in the parotid gland, but are also present in the submandibular gland and, to a far
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A serous demilune is a cap in the shape of a half-moon (hence the name, "demilune") on some salivary glands.

The serous demilune is an artifact from traditional methods of preparing samples. Samples are traditionally preserved and fixed in formaldehyde.
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In anatomy and physiology, a duct is a circumscribed channel leading from an exocrine gland or organ.

Types of ducts

Examples include:

Duct From To Carries
Lactiferous duct mammary gland nipple milk
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A interlobar duct is a gland duct which connects more than one anatomic lobe.

Examples of where it can be found include the parotid gland[1] and submandibular gland.
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A Interlobular duct is a gland duct which connects more than one lobule. It is smaller than an interlobar duct.

Examples of where it can be found include
  • pancreas[1][2]
  • mammary gland[3]
  • parotid gland[4][5]

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An intralobular duct is the portion of an exocrine gland inside a lobule, leading directly from intercalated duct to an interlobular duct.

They can be seen in:
  • pancreas[1][2][3][4]
  • salivary glands[5]

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A striated duct is a gland duct which connects an intercalated duct to an interlobular duct. It is characterized by its folded membrane.[1] [2]

Their epithelium can be simple cuboidal or simple columnar.
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The intercalated duct is the portion of an exocrine gland leading directly from the acinus, and to a striated duct.

They are part of the intralobular duct.

They have the thinnest epithelium of any part of the duct system, and the epithelium is usually classified as
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