Peptides, proteins, and amino acids are often mislabeled and the terms applied as if they were interchangeable, yet they are different in their characteristics, uses, biological activities, and cosmetic potential. After defining peptides and proteins, the first part of the chapter discusses the specificities of these molecules and their physiologic, biological function, particularly in the skin...

Dr. Konstantina M. Stankovic: A 27-year-old woman was seen in an outpatient otolaryngology clinic of the Massachusetts Eye and Ear Infirmary, which is affiliated with this hospital, because of a pruritic lesion of the left ear canal, with recurrent bleeding. One year before this presentation, a ballooning lesion had developed in the patient’s left ear canal that partially occluded the lumen and...

The human oro-gastrointestinal (GI) tract is a complex system, consisting of oral cavity, pharynx, oesophagus, stomach, small intestine, large intestine, rectum and anus, which all together with the accessory digestive organs constitute the digestive system. The function of the digestive system is to break down dietary constituents into small molecules and then absorb these for subsequent distr...

1Department of Biology, Faculty of Science, University of Damascus, Damascus, Syrian Arab Republic. 2Public Health Department, Ministry of Health, Damascus, Syrian Arab Republic. ABSTRACT Leishmaniasis causes significant morbidity and mortality in areas where it is endemic. A seroprevalence survey was conducted in 2 endemic villages in Daraa, Syrian Arab Republic, where 80 out of 345 children (...

Sweet sorghum (Sorghum bicolor (L.) Moench) is a multiple-purpose crop which has been consumed as either food or feed and recently, industrially cultivated for liquid sugar and ethanol production. Biomass and carbohydrate composition of sweet sorghum are considered as important factors for industrial productions. Thus, in this study fresh stalk yield, total sugars, sucrose content and invert su...

Viewing affect and cognition as independent from one another has had a long history. Even if interaction between the two was entertained, affect was seen as contaminating cognition, leading to errant thinking and suboptimal decisions. A quite different perspective has emerged in recent years. From this view, rather than constituting distinct constructs or opposing forces, affect and cognition a...

ABST RACT Small bowel obstruction is a common surgical problem with many potential etiologies. A 24-year-old African-American male presented with bowel obstruction secondary to incarcerated inguinal hernia and mesenteric fibromatosis. The latter diagnosis was delayed. Surgical correction of both etiologies was required. Our case represents an interesting combination of one of the most common ca...