The gas exchanging region in the avian lung, although proportionally smaller than that of the mammalian lung, efficiently manages respiration to meet the high energetic requirements of flapping flight. Gas exchange in the bird lung is enhanced, in part, by an extremely thin blood-gas barrier (BGB). We measured the arithmetic mean thickness of the different components (endothelium, interstitium,...

ABSTRACT Background: The emotional bond that a mother feels towards her infant is critical to their social, emotional, and cognitive development. This concept has a major influence on an infant’s future health, and growth, so the assessment of parental-fetal attachment and related factors is of great importance. This study aimed to examine the effect of psychological intervention on attachment ...