Histology and histochemistry of the flank gland of the Indian musk shrew

Balakrishnan, M.; Alexander, K M

doi:10.4098/at.arch.77-19

Cited by 7 publications

(7 citation statements)

References 15 publications

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“…The flank gland of the Indian musk shrew consists of well developed sebaceous and a few sudoriferous secretory tubules (Balakrishnan and Alexander 1977a). No significant sexual dimorphism is discerned in the tubular pattern and in the structure of these secretory tubules.…”

Section: Discussionmentioning

confidence: 99%

“…The secretory activity of the flank gland of S. m. viridescens initiates when they are at about 9 days old (Balakrishnan and Alexander 1977b), far before their sexual maturity. This indicates the need for further ultrastructural investigations on the flank gland tissue of immature shrews, to confirm the probable role of the mitochondrial inclusions in the secretory function.…”

Section: Discussionmentioning

confidence: 99%

“…No significant sexual dimorphism is discerned in the tubular pattern and in the structure of these secretory tubules. Lipid forms the major biochemical constituent of the flank gland sebaceous secretory material (Balakrishnan and Alexander 1977b).…”

Section: Discussionmentioning

confidence: 99%

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Further observations on the ultrastructure of the flank gland of the musk shrew,Suncus murinus viridescens (Blyth)

Balakrishnan

Sokolov²,

Basurmanova³

1986

Proc. Indian Acad. Sci. (Anim. Sci.)

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Abstract. The ultrastructure of the flank gland tissue of both sexes of the Indian musk shrew, Suncus. murinus. uiridescens. was investigated. The undifferentiated and differentiated sebaceous secretory cells in the glands of both sexes possess 1-8 mitochondrial dense osmophilic inclusions. A few inclusions of medium electron density, and clear vacuoles were also seen in the mitochondria. The muscle fibres in the glandular complex were devoid of these characteristic mitochondrial inclusions. Secretory activity of the well differentiated sebaceous cells was characterised by the presence of a number of large secretory granules. Mitochondria and polyribosomes were found in close association with the secretory granules. The flank gland tubules of the shrew were highly vascularised.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

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Further observations on the ultrastructure of the flank gland of the musk shrew,Suncus murinus viridescens (Blyth)

Balakrishnan

Sokolov²,

Basurmanova³

1986

Proc. Indian Acad. Sci. (Anim. Sci.)

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“…The epithelial secretory wall of the holocrine sebaceous tubule comprises 3-6 layers of cuboidal cells and gets proliferated at the region of the lumen wherein the lipoid secretion is stored (figure 7). These tubules proceed to the exterior by a narrow duct, which in its turn opens into the associated hair follicle (Balakrishnan and Alexander 1977b). The sudoriferous glands are rather few in number and comprise hypertrophied coiled tubules formed of a single layer of cuboidal and columnar epithelial cells.…”

Section: Flank Glandmentioning

confidence: 99%

Effect of castration and oral administration of sex hormones on some specialised integumentary glands of the male musk shrew,Suncus murinus viridescens (Blyth)

Balakrishnan

Alexander

1980

Proc Ani Sci

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Effect of castration and oral administration of sex hormones on the specialised apocrine sudoriferous glands of the perineal region and the holoerine sebaceous glands of the flank and oral lip regions of the male musk shrew, Suncus murinus viridescens is investigated. Gonadectomy effected a significant regression and hypotrophy of the sudoriferous as well as sebaceous glandular s(ructures of the shrew. The secretory epithelial ceils were depleted and the tubules were devoid of any secretory material at the end of one month of castration. Subsequent administration of methyltestosterone daily for four weeks reactivated all these glands, whereas the gross morphological features of sebaceous glands did not vary at any significant level after treatment with ethinyloestradiol daily for four weeks. However, partial rejuvenation in the cellular structures was noticed in all these glands of shrews orally administered with this heterosexual hormone.

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“…In a light microscopic study, Balakrishnan and Alexander (1977b)reported that the flank glands of the shrew consist mainly of the sebaceous gland tissues and relatively little of the sudoriferous tubules located in the periphery. Histochemical staining showed the gland to be highly sudanophilic.…”

Section: Introductionmentioning

confidence: 99%

Observations on the fine structure of the sebaceous flank gland of the Indian musk shrew,Suncus murinus viridescens (Blyth)

1984

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The fine structure of the sebaceous gland acini which form the bulk of the flank gland in the Indian musk shrew was studied. The secretion of the gland appeared to be mainly lipoid in nature, seen as numerous intracellular lipid droplets showing varying degrees of osmophilia from light to intense dark. The mitochondria contained one to several electron dense inclusions which were discharged from disrupted mitochondria and were seen floating in the cytoplasm and also in the ducts of the gland complex. It is suggested that these inclusions which presumably contain high concentrations of waxessynthesized within the mitochondria, form the major components of the holocrine secretion discharged from the flank gland of the shrew.

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Histology and histochemistry of the flank gland of the Indian musk shrew

Cited by 7 publications

References 15 publications

Further observations on the ultrastructure of the flank gland of the musk shrew,Suncus murinus viridescens (Blyth)

Further observations on the ultrastructure of the flank gland of the musk shrew,Suncus murinus viridescens (Blyth)

Effect of castration and oral administration of sex hormones on some specialised integumentary glands of the male musk shrew,Suncus murinus viridescens (Blyth)

Observations on the fine structure of the sebaceous flank gland of the Indian musk shrew,Suncus murinus viridescens (Blyth)

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