Congenital and developmental abnormalities of the breast

Research output: Chapter in Book/Report/Conference proceedingChapter

Abstract

Development of the mammary glands begins in the male and female embryo in identical fashion. During the fourth to fifth week of fetal development, primitive milk streaks, also known as galactic bands, form [1-4]. These are single, thickened ridges of ectoderm that extend bilaterally from the axillary to the inguinal region. Each band consolidates to form a mammary ridge on the thorax, and the remaining band regresses. At 6-8 weeks, a primary bud forms, with thickening of the mammary anlage, which penetrates into the chest wall mesenchyme. The primary mammary bud gives rise to secondary buds that extend into the surrounding connective tissue and become the lactiferous ducts and their branches. The mesenchyme surrounding the duct systems becomes the fibrous stroma and fat of the breast. Between 12 and 16 weeks of development, mesenchymal cells differentiate into the smooth muscle of the nipple-areolar complex (NAC), and branches link to future secretory alveoli. The secondary mammary anlage then develops with differentiation of hair follicles and sweat glands.

Original languageEnglish (US)
Title of host publicationManagement of Breast Diseases
PublisherSpringer Berlin Heidelberg
Pages37-51
Number of pages15
ISBN (Print)9783540697428
DOIs
StatePublished - 2010

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Breast
Mesoderm
Primitive Streak
Sweat Glands
Ectoderm
Nipples
Hair Follicle
Groin
Thoracic Wall
Human Mammary Glands
Fetal Development
Connective Tissue
Smooth Muscle
Milk
Thorax
Embryonic Structures
Fats

ASJC Scopus subject areas

  • Medicine(all)

Cite this

Shermak, M. (2010). Congenital and developmental abnormalities of the breast. In Management of Breast Diseases (pp. 37-51). Springer Berlin Heidelberg. https://doi.org/10.1007/978-3-540-69743-5_2

Congenital and developmental abnormalities of the breast. / Shermak, Michele.

Management of Breast Diseases. Springer Berlin Heidelberg, 2010. p. 37-51.

Research output: Chapter in Book/Report/Conference proceedingChapter

Shermak, M 2010, Congenital and developmental abnormalities of the breast. in Management of Breast Diseases. Springer Berlin Heidelberg, pp. 37-51. https://doi.org/10.1007/978-3-540-69743-5_2
Shermak M. Congenital and developmental abnormalities of the breast. In Management of Breast Diseases. Springer Berlin Heidelberg. 2010. p. 37-51 https://doi.org/10.1007/978-3-540-69743-5_2
Shermak, Michele. / Congenital and developmental abnormalities of the breast. Management of Breast Diseases. Springer Berlin Heidelberg, 2010. pp. 37-51
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