The carotid is a small mass of chemoreceptor's and sustentacular cells that detects changes in the composition of the arterial blood. The aim of the present study was to identify the size, color, location, blood and nerve supply of the carotid body in Makouei sheep. Fourteen heads of sheep from both sexes were collected from Urmia public slaughter-house. The exact situation and nerve supply of ...

As a complement to morphological research on the genus Isatis (Brassicaceae), an anatomical study was conducted on the fruit, leaf and stem of 18 species and four subspecies of this genus, as well as two species belonging to the genusPachypterygium. Inclusion of the members of the later genus in the study was to clarify the evidences that supported their affinity to the genus Isatis. As a resul...