Background and Purpose—The circle of Willis (CW) is considered an important collateral
pathway in maintaining adequate cerebral blood flow in patients with internal carotid artery (ICA…

Background— This review seeks to provide a structured presentation of existing knowledge
of leptomeningeal anastomoses from anatomic and functional points of view and to identify …

Study objective Part 1: To describe cases of emphysema (subcutaneous and/or mediastinal)
and pneumothorax after percutaneous dilational tracheostomy (PDT) in a series of 326 …

We report on the neutrino mass measurement result from the first four-week science run of
the Karlsruhe Tritium Neutrino experiment KATRIN in spring 2019. Beta-decay electrons from …

In adult human subjects, the correlations were determined between the cross‐sectional areas
of the jaw muscles (measured in CT scans) and a number of facial angles and dimensions …

PURPOSE: To establish normal reference values for the presence of the anatomic variants
of the circle of Willis and average diameters for its component vessels by using three-…

Cross-sectional areas of the masseter, temporalis and medial, and lateral pterygoid muscles
were determined in 16 subjects by means of computer tomography. In each subject three …

Objective. To relate local arterial geometry with markers that are thought to be related to
plaque rupture. Background. Plaque rupture often occurs at sites with minor luminal stenosis …

… van der Zwan A, Hillen B: Araldite Fas injection material for quantitative morphology of
cerebral vascularization. Anal Rec 228:230-236, 1990 35. van der Zwan A, Hillen B: Review of …

The configuration of the posterior bifurcation of the posterior communicating artery is commonly
described as the'adult configuration'if the diameter of the precommunicating part of the …