Mammary Glands Flashcards
Mammary gland is a ___ gland?
Compound
Mammary gland has large ducts in the?
Interlobular CT
Mammary glands are?
Moified sweat gland (apocrine and merocrine)
Which parts of mammary glands are secretory?
Alveoli and intralobular ducts
Epithelium of mammary glands
Simple cuboidal or columnar
Corpora amylacea means?
Starchy body
What are corpora amylacea?
Concentrations of secretory material found in alveolie
Alveoli regress when?
Gland is inactive
Myoepithelial cells
Surround alveoli → respond to oxytocin to cause milk letdown
Myopethelial cells are found between?
Basal lamina and alveolar cells
Non-secretory portions of mammary glands
Interlobular ducts and lobar ducts
Lactiferous sinus
Gland sinus and teat sinus
Epithelium of mammary glands
Begins as simple cuboidal
Lobar ducts have bistratified columnar epithelium
What surrounds large mammary ducts?
Smooth m. and elastic fibers
Stroma of mammary glands
Loose collagenous and adipose tissue → becomes very scant during lactation