The Denisova and Altai Neandertal are homozygous for the ancestral âAâ variant at position 25629943 on chromosome 1 that determines rhesus type in modern humans. This variant means that both are likely rhesus positive.
In this article. Interstitial lung disease is a general category that includes many different lung conditions. All interstitial lung diseases affect the interstitium, a part of the lungs ' anatomic structure. The interstitium is a lace-like network of tissue that extends throughout both lungs.
Silicosis affects the lungs by damaging the lining of the lung air sacs. Once this begins, it leads to scarring and, in some situations, to a condition called progressive massive fibrosis. This condition happens when there is severe scarring and stiffening of the lung, which makes it difficult to breathe.