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Questions and Answers
What is responsible for activating the secretion of milk in lactating mammary glands?
What is responsible for activating the secretion of milk in lactating mammary glands?
Which type of cells are partially surrounded by a meshwork of myoepithelial cells in the acini?
Which type of cells are partially surrounded by a meshwork of myoepithelial cells in the acini?
What is the protein-rich fluid that engorges the breasts in preparation for newborns?
What is the protein-rich fluid that engorges the breasts in preparation for newborns?
Which organelle is abundant in the secretory cells of lactating mammary glands?
Which organelle is abundant in the secretory cells of lactating mammary glands?
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What type of cells are indicated by the arrows in the higher magnification of an active mammary gland?
What type of cells are indicated by the arrows in the higher magnification of an active mammary gland?
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What type of cells become cuboidal with nuclei positioned at the basal cell surface in the third trimester?
What type of cells become cuboidal with nuclei positioned at the basal cell surface in the third trimester?
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What stimulates the proliferation of lactiferous duct components during the proliferative phase?
What stimulates the proliferation of lactiferous duct components during the proliferative phase?
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Which type of epithelium lines the lactiferous ducts?
Which type of epithelium lines the lactiferous ducts?
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Which cells are nonfunctional in the mammary gland?
Which cells are nonfunctional in the mammary gland?
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During which phase do women perceive tenderness and a progressive increase of breast tissue mass?
During which phase do women perceive tenderness and a progressive increase of breast tissue mass?
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What characterizes the first trimester of development during pregnancy in relation to mammary glands?
What characterizes the first trimester of development during pregnancy in relation to mammary glands?
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Which cells infiltrate the intralobular connective tissue stroma during pregnancy?
Which cells infiltrate the intralobular connective tissue stroma during pregnancy?
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Which pathway involves exocytosis of milk protein and lactose in Golgi-derived secretory vesicles?
Which pathway involves exocytosis of milk protein and lactose in Golgi-derived secretory vesicles?
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What is the main function of plasma cells?
What is the main function of plasma cells?
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Which cell process involves the secretion of ions and water across the apical membrane?
Which cell process involves the secretion of ions and water across the apical membrane?
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What type of pathway involves the paracellular transport of plasma components and leukocytes?
What type of pathway involves the paracellular transport of plasma components and leukocytes?
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In what organelle are milk protein and lactose exocytosed before secretion?
In what organelle are milk protein and lactose exocytosed before secretion?
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Which process involves pinocytosis and exocytosis of immunoglobulins?
Which process involves pinocytosis and exocytosis of immunoglobulins?
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Plasma cells are abundant in the lactating mammary glands.
Plasma cells are abundant in the lactating mammary glands.
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The myoepithelial cells partially surround the cuboidal acinar cells in the mammary glands.
The myoepithelial cells partially surround the cuboidal acinar cells in the mammary glands.
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The terminal duct-lobular unit looks different during lactation compared to non-pregnancy.
The terminal duct-lobular unit looks different during lactation compared to non-pregnancy.
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Hypertrophy of secretory cells contributes to breast enlargement during pregnancy.
Hypertrophy of secretory cells contributes to breast enlargement during pregnancy.
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The main function of plasma cells in lactating mammary glands is to secrete milk proteins.
The main function of plasma cells in lactating mammary glands is to secrete milk proteins.
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Oxytocin triggers the contraction of myoepithelial cells surrounding alveoli.
Oxytocin triggers the contraction of myoepithelial cells surrounding alveoli.
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Colostrum is secreted from mammary glands on the 4th day after birth.
Colostrum is secreted from mammary glands on the 4th day after birth.
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Milk composition includes 2% lipids.
Milk composition includes 2% lipids.
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Lactogenesis stage II occurs as progesterone levels rise after delivery of the placenta.
Lactogenesis stage II occurs as progesterone levels rise after delivery of the placenta.
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Water makes up 87% of milk composition.
Water makes up 87% of milk composition.
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Lactogenesis stage III marks an indefinite period of milk production known as galactopoiesis.
Lactogenesis stage III marks an indefinite period of milk production known as galactopoiesis.
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Lactose constitutes 7% of milk composition.
Lactose constitutes 7% of milk composition.
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Immunoglobulin A provides temporary passive defense before infants develop their secretory IgA.
Immunoglobulin A provides temporary passive defense before infants develop their secretory IgA.
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During lactogenesis, prolactin and human placental lactogen are essential hormones for alveolar development.
During lactogenesis, prolactin and human placental lactogen are essential hormones for alveolar development.
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The milk ejection reflex involves the expression of milk from alveoli to ducts.
The milk ejection reflex involves the expression of milk from alveoli to ducts.
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