Fine Structure of the Parotid Gland in the Pika and the Volcano Rabbit

Suzuki, Syusaku; Ando, Akio; Mifune, Hiroharu; Mohri, Shiro; Nishida, Takao

doi:10.1538/expanim1978.36.4_399

Cited by 5 publications

(4 citation statements)

References 21 publications

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“…In the present investigation, the mandibular glands of the volcano rabbit were similar to the rabbit mandibular gland rather than the pika mandibular gland in morphology as well as parotid gland described previously [17].…”

Section: Discussionsupporting

confidence: 85%

“…The granuls in the intercalated duct cells are observed in several spceies and are usually considered to be secretory granules [10,13,17,22,23]. The cored small granules seen in the volcano rabbit were not clearly determined as secretory granules from the lack of morphological evidence of their formation and discharge.…”

Section: Discussionmentioning

confidence: 99%

“…However, since these granules are located close to the apical region, they are looked upon as secretory granules and intercalated duct cells are considered to have secretory function as described previously [17,22]. These secretory function may be minimal.…”

Section: Discussionmentioning

confidence: 99%

“…Currently, the breeding methods and the morphological characteristics of the volcano rabbit are clarified [8,17]. There is no previous histological description on the mandibular gland of the volcano rabbit.…”

mentioning

confidence: 99%

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Fine Structure of the Mandibular Gland in Volcano Rabbit

Suzuki

Mohri

Nishida

et al. 1989

Experimental Animals

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Section: Discussionsupporting

confidence: 85%

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

mentioning

confidence: 99%

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Fine Structure of the Mandibular Gland in Volcano Rabbit

Suzuki

Mohri

Nishida

et al. 1989

Experimental Animals

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Comparative ultrastructure of intercalated ducts in major salivary glands: a review

et al. 1998

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Secretion by striated ducts of mammalian major salivary glands: Review from an ultrastructural, functional, and evolutionary perspective

et al. 2001

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In addition to their role in electrolyte homeostasis, striated ducts (SDs) in the major salivary glands of many mammalian species engage in secretion of organic products. This phenomenon usually is manifested as the presence of small serous-like secretory granules in the apical cytoplasm of SD cells. The composition of these granules is largely unknown, except in the case of the cat and rat submandibular gland, where the granules have unequivocally been shown to contain kallikrein. In some species, the apical cytoplasm of SD cells contains variable numbers of vesicles, both spherical and elongated, that vary in appearance from 'empty' to moderately dense. In the rat parotid gland, lucent vesicles transport glycoproteins to the luminal surface where they are incorporated into the apical plasmalemma and the glycocalyx. There is a strong possibility that in various species some of these vesicles are involved in transcytosis of antibodies to the saliva from their source (plasma cells) in the surrounding connective tissue. In addition, vesicles may engage in transfer of growth factors from the saliva to the interstitium. In a few species, conventional SDs have been replaced by ducts that are wholly given over to secretion, i.e., they entirely lack basal striations; although such ducts occupy the histological position of conventional SDs, it is not clear whether they represent a new type of duct or merely are modifications of SDs. Broad-based comparisons of ultrastructural and other data about SDs offer some insight into evolutionary history of salivary glands and their role in the adaptive radiation of mammals. Evolutionary patterns emerged when we made interspecific comparisons across mammalian orders. Among the bats, there is a clear relationship between SD secretion and general categories of diet. Anat Rec 264: 2001.

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Fine Structure of the Parotid Gland in the Pika and the Volcano Rabbit

Cited by 5 publications

References 21 publications

Fine Structure of the Mandibular Gland in Volcano Rabbit

Fine Structure of the Mandibular Gland in Volcano Rabbit

Comparative ultrastructure of intercalated ducts in major salivary glands: a review

Secretion by striated ducts of mammalian major salivary glands: Review from an ultrastructural, functional, and evolutionary perspective

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