The second branchial cleft cyst may arise anywhere from the tonsillar fossa to the supraclavicular area. It usually lies along the anterior border of the sternocleidomastoid muscle or deep into the ...

如果发生了静脉曲张建议穿戴医用弹力袜预防快速进展，如果CEAP分级已经达到2-3级，张强医生集团静脉曲张CHIVA中心将优先建议进行血流动力学检查，并评估是否适合CHIVA微创保留手术。

It turns out these three hearts are equally important. One, the systemic heart, pumps oxygenated blood through the octopus’s body. The other two are branchial hearts that help to take that oxygenated ...

The origin of evolutionary novelties is often underpinned by a complex set of changes. The genetic underpinnings comprise, for instance, gene or genome duplication, mutations, deletions, and ...

1 Biochemistry and Molecular Medicine, University of Oulu, Oulu, Finland 2 Biological Sciences Division, Department of Medicine, University of Chicago, Chicago, IL, United States Endothelial cells ...

As a prelude to division of the cardiac cavities by formation of muscular septums, endocardial cushions have already formed within the atrioventricular canal, and also within the outflow tract which ...

Healthcare professionals recommend that most pregnant people have at least one ultrasound during the second trimester of pregnancy, between 18 and 22 weeks. You may have more ultrasound scans ...