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These glands are exocrine glands, responsible for the basal (unstimulated) secretion of the middle aqueous layer of the tear film. [3] 20 to 40 glands of Krause are found in the upper fornix, and 6-8 glands appear in the lower fornix. [4] There are usually 2 to 5 Ciaccio's glands, and are found along the superior tarsal border of the upper ...
They are sometimes called "Wolfring's glands" after Polish ophthalmologist Emilj von Wolfring (1832-1906), who described them during the same time period as did Ciaccio. Another type of accessory lacrimal gland are " Krause's glands ", which are smaller, more numerous than "Ciaccio's glands" and are found along the superior and inferior ...
The function of these glands are to produce tears which are secreted onto the surface of the conjunctiva. There are rare instances of tumors associated with Krause's glands. They usually occur as retention cysts in cicatricial conditions of the conjunctiva. Krause's glands are named after German anatomist Karl Friedrich Theodor Krause (1797 ...
The lacrimal gland is a compound tubuloacinar gland, it is made up of many lobules separated by connective tissue, each lobule contains many acini.The acini composed of large serous cells which, produce a watery serous secretion, serous cells are filled with lightly stained secretory granules and surrounded by well-developed myoepithelial cells and a sparse, vascular stroma.
Caniformia is a suborder within the order Carnivora consisting of "dog-like" carnivorans. They include dogs (wolves, foxes, etc.), bears, raccoons, and mustelids. [1] The Pinnipedia (seals, walruses and sea lions) are also assigned to this group. The center of diversification for the Caniformia is North America and northern Eurasia.
Merocrine is the most common manner of secretion. The gland releases its product and no part of the gland is lost or damaged (compare holocrine and apocrine). The term eccrine is specifically used to designate merocrine secretions from sweat glands (eccrine sweat glands), [1] although the term merocrine is often used interchangeably. [2] [3]
The violet gland or supracaudal gland is a gland located on the upper surface of the tail of certain mammals, including European badgers and canids such as foxes, wolves, [1] and the domestic dog, [2] as well as the domestic cat. [3] Like many other mammalian secretion glands, the violet gland consists of modified sweat glands and sebaceous glands.
The preorbital gland is closed in a relaxed calf, whereas it is opened in a stressed calf. [10] One example of this is the signalling of hunger and satiety. Fawns open their preorbital glands as a signal that they are hungry, and close the gland after feeding, when they are no longer hungry. [11]