Example sentences for: stem

How can you use “stem” in a sentence? Here are some example sentences to help you improve your vocabulary:

  • After dissection (carefully avoiding lung laceration), both lungs were separated by a tracheal section at the carina level, leaving a long portion of the left main stem bronchus; the pulmonary vessels were tied with strings; and the left main stem bronchus was cannulated with an endotracheal tube no 7.5.

  • First, from the published scientific literature in peer-reviewed journals on stem cells, a major message can be distilled: namely, the vast difference that currently exists in our understanding of, and the potential utility of, embryonic versus adult stem cells as sources of material for research and clinical purposes.

  • In brief, human stem cells have been isolated from a variety of embryonic, fetal, and adult tissue sources.

  • Mammary gland mass [ 18] has been proposed as a risk factor for breast cancer because of the higher number of ductal stem cells that develop as a result of intrauterine influences and high energy intake early in life.

  • Methods promoting neural differentiation by embryonic stem (ES) cells have been adapted [9,10,11,12,13] to derive insulin-producing cells (IPCs), but it remains unclear whether such IPCs were derived from neural progenitors, or whether a neural-based strategy can generate transplantable human IPCs.


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