Information about Interlobar Ducts

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.[2]

See also

References

1. ^ [1]
2. ^ [2]


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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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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In anatomy, a lobe is a clear anatomical division or extension[1][2] that can be determined without the use of a microscope (at the gross anatomy level.) This is in contrast to a lobule, which is a clear division only visible histologically.
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For the toad wart, see parotoid gland.

The parotid gland is the largest of the salivary glands. It is found wrapped around the mandibular ramus, and it secretes saliva through Stensen's duct into the oral cavity, to facilitate mastication and swallowing.
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The paired submandibular glands (or submaxillary glands) are salivary glands located beneath the floor of the mouth. In humans, they account for 70% of the salivary volume.
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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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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).
..... Click the link for more information.
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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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.
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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
..... Click the link for more information.
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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An acinus (adjective: acinar, plural acini) refers to the berry-shaped termination of an exocrine gland, where the secretion is produced.

They are found in many organs, including:
  • the stomach[1]
  • the sebaceous gland of the scalp

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