<abstract xmlns="http://www.w3.org/1999/xhtml"><p>Collagen and elastic fibres are generally present in organs whose normal function requires great resistance and elasticity. The aim of this study was to localize the collagen and elastic fibres in the stroma of the bovine lactating mammary gland and to determine their role in the process of milk ejection. For this purpose, the histochemical staining for collagen and the immunohistochemical method for the detection of elastin were used. The accumulation of scattered collagen fibres was observed between and inside the lobules where they formed distinct septa. Between secretory alveoli, the collagen fibres were found to be concentrated into two incomplete layers surrounding the blood capillaries. Bundles of elastic fibres in high density were located in the interlobular spaces. A dense network of elastic fibres was located between adjacent alveoli. Elastic membranes were located beneath the secretory epithelium. The high concentration of the collagen and elastic fibres indicated, that both types of fibres play a significant role in the resistance during the secretory stage and in the recoil of the mammary gland after milk ejection.</p></abstract>

Collagen and elastic fibres are generally present in organs whose normal function requires great resistance and elasticity. The aim of this study was to localize the collagen and elastic fibres in the stroma of the bovine lactating mammary gland and to determine their role in the process of milk ejection. For this purpose, the histochemical staining for collagen and the immunohistochemical method for the detection of elastin were used. The accumulation of scattered collagen fibres was observed between and inside the lobules where they formed distinct septa. Between secretory alveoli, the collagen fibres were found to be concentrated into two incomplete layers surrounding the blood capillaries. Bundles of elastic fibres in high density were located in the interlobular spaces. A dense network of elastic fibres was located between adjacent alveoli. Elastic membranes were located beneath the secretory epithelium. The high concentration of the collagen and elastic fibres indicated, that both types of fibres play a significant role in the resistance during the secretory stage and in the recoil of the mammary gland after milk ejection.

The Distribution of Collagen and Elastic Fibres in the Lactating Bovine Mammary Gland

Department of Anatomy, Histology and Physiology

University of Veterinary Medicine and Pharmacy

Folia Veterinaria

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Collagen and elastic fibres are generally present in organs whose normal function requires great resistance and elasticity. The aim of this study was to...

The Distribution of Collagen and Elastic Fibres in the Lactating Bovine Mammary Gland

Publié en ligne: 28 sept. 2019

Pages: 60 - 65

Reçu: 28 juin 2019

Accepté: 20 août 2019

DOI: https://doi.org/10.2478/fv-2019-0028

Mots clés
collagen, elastic fibres, mammary gland, bovine

© 2019 E. Marettová et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

The Distribution of Collagen and Elastic Fibres in the Lactating Bovine Mammary Gland

Publié en ligne: 28 sept. 2019

Pages: 60 - 65

Reçu: 28 juin 2019

Accepté: 20 août 2019

DOI: https://doi.org/10.2478/fv-2019-0028

Mots cléscollagen, elastic fibres, mammary gland, bovine

© 2019 E. Marettová et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Mots clés
collagen, elastic fibres, mammary gland, bovine