Pronunciation: [ɡˈalɐktˌɒblast] (IPA) 
The word "galactoblast" is spelled as: /ɡəˈlæktəˌblæst/. The first syllable starts with a schwa sound, followed by a stressed "la" sound. The second syllable starts with a "k" sound, followed by an "a" sound and a "t" sound. The last syllable starts with a "bl" sound, followed by an "a" sound, an "s" sound, and a "t" sound. "Galactoblast" is a noun that refers to a cell in the breast that produces milk.
Galactoblast refers to an immature or developing cell involved in the production or secretion of milk, specifically found in the mammary glands of female mammals. These cells undergo a process called lactogenesis to develop into milk-producing cells known as secretory epithelial cells.
Galactoblasts are essential components in the process of lactation, which occurs during and after pregnancy. They are responsible for synthesizing proteins, fats, carbohydrates, vitamins, and minerals necessary for the composition of milk. Under the influence of hormones like estrogen, progesterone, and prolactin, galactoblasts proliferate and differentiate to create the foundation for milk production.
During lactogenesis, galactoblasts undergo morphological and functional changes, forming alveoli within the mammary glands. These alveoli serve as microscopic sacs where milk is synthesized and stored until it is secreted through lactiferous ducts when suckled by the offspring.
Galactoblasts play a crucial role in initiating and sustaining lactation, ensuring the nourishment and development of newborn animals. However, if the process of lactation is disrupted or fails to occur, for example, due to hormonal imbalances or certain diseases, galactoblasts may not mature properly, leading to inadequate or absent milk production.
Understanding the physiology and function of galactoblasts is vital for the comprehensive comprehension of lactation and the factors affecting its success or failure.
A colostrum corpuscle.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
The word "galactoblast" is derived from two root words: "galacto" and "blast".
1. "Galacto" is derived from "galacta", which comes from the Greek word "gala" (γάλα) meaning "milk". It is often used as a prefix in several terms related to milk, dairy products, or lactose.
2. "Blast" is derived from the Greek word "blastos" (βλαστός) meaning "germ" or "embryo". It is commonly used as a suffix in various scientific terms related to the development or growth of cells and tissues.
Therefore, "galactoblast" combines these two root words to indicate a cell or germ that is specifically related to milk or lactose.
