Tag Archives:humans
Anatomic variation of the nasopalatine canal among dentate, partially edentulous and completely edentulous subjects
The rehabilitation of the upper central incisors with the use of implants is one of the most complex aesthetic challenges. The anterior sector has important anatomical implications: resorption of the alveolar bone and the nasopalatine duct (NPD),
Why do women go through menopause? Science offers a new solution to an old puzzle
Passing on our genes to the next generation is the key process in evolution that happens through natural selection. So why do women suddenly lose the ability to have children when they have at least a third
推进医学和农业使用蛋白质that control energy and sugar production
Except for bacteria , most living organisms contain specialized cellular compartments termed mitochondria , that are responsible for breaking down sugars to produce energy for the cell. Plant cells possess a second compartment called chloroplasts , which
