BACKGROUND Ala-al-din abu Al-Hassan Ali ibn Abi-Hazm al-Qarshi al-Dimashqi, known as Ibn al-Nafis (1210-1288 AD), was a Muslim Syrian physician primarily famous for being the first to describe the pulmonary circulation of the blood. The most voluminous of his books is Alshamel fi Sana'at tebbi'at, which is a comprehensive medical encyclopedia. It comprised 300 volumes of notes, from which only ...

Ordered porous materials with unique pore structures and pore sizes in the mesoporous range (2-50 nm) have many applications in catalysis, separation and drug delivery. Extensive research has resulted in mesoporous materials with one-dimensional, cage-like and bi-continuous pore structures. Three families of bi-continuous mesoporous materials have been made, with two interwoven but unconnected ...

we review abscess management by ibn al-quff in the 12 century, described in his book al omdaa (arabic version). he explained in detail how an abscess presents, access for drainage, the proper preparation by the surgeon and patient for a procedure, and technical guidelines. it is considered advanced in ensuring the best results of managing this pathology. much of his advice is already in use, an...

A t e r t h e c o m i n g o f P r o p h e t Muhammad, the Arabian tribes, in a great burst of expansionist energy, swept over Western Asia and North Africa. They disrupted, but did not destroy the Eastern Roman Empire, which had survived the barbarian onslaughts that had wiped out the empire in the West. The Eastern Empire, particularly after the Arabian conquests, came to be known as Byzantine...

This article is a brief review of Ibn Sīnā’s practical philosophy. It begins with a discussion of the Platonic, Aristotelian, and Neo-Platonic influences on Ibn Sīnā’s practical philosophy, as well as the influence of Fārābī and of Islamic religious teachings. The creative synthesis invented by Ibn Sīnā requires a particular view of the relation between religion and philosophy in such a manner ...

The classic model of saccade generation assumes that the burst generator is driven by a motor-error signal, the difference between the actual eye position and the final "desired" eye position in the orbit. Here we evaluate objectively, using system identification techniques, the dynamic relationship between motor-error signals and primate inhibitory burst neuron (IBN) discharges (upstream analy...