Background Hair is an ectodermal structure, and its formation is regulated by master genes important in embryology. Hair shaft consists of three major regions: the medulla, cortex and cuticle. Hair shaft abnormality will divide structural hair abnormalities into two broad categories - those associated with increased hair fragility and those not associated with increased hair fragility. We condu...

Ants of three different subfamilies, among them the tribe Dacetini, have evolved very fast snapping mandibles called trap-jaws. The two dacetine genera examined, the large Daceton and the small Strumigenys, employ the same mechanism for their mandible strike. Video analysis reveals that, in Strumigenys sp., the strike takes less than 2.5 ms. It is released within 5 ms by contact of trigger hair...

background: there are various factors that may cause pain and dysfunction in the pelvic region. myofascial trigger points can likewise contribute in pelvic pain. common treatments for myofascial trigger points include electrotherapy, laser therapy, massage, ischemic compression, dry-needling, stretch, icing, heating, and biofeedback. case report: a 26 year old man with an exertion-related pain ...

background: one of the pollutant components that can be observed in many industrial wastewaters is formaldehyde. the biological treatment of the wastewater contaminated by formaldehyde is very difficult due to its antibacterial property. however the removal of formaldehyde using adsorption process is feasible but it may be expensive. the main purpose of this study is to examine the adsorption o...

Introduction: Telogen Effluvium is one of the most common form diffuse non scarring hair loss, usually occurring three months after a stressful event causing shedding. Trichodynia an imminent and frequent warning sign Effluvium. Increasing cases during COVID-19 era has been found it should be alarming for dermatologist patients who have infected by in past.
 Aims: To study post patients, o...

The major epidermal integrins are alpha3beta1 and hemidesmosome-specific alpha6beta4; both share laminin 5 as ligand. Keratinocyte culture studies implicate both integrins in adhesion, proliferation, and stem cell maintenance and suggest unique roles for alphabeta1 integrins in migration and terminal differentiation. In mice, however, whereas ablation of alpha6 or beta4 results in loss of hemid...

background: to evaluate safety and efficacy of percutaneous release of trigger finger in multiple digits involvement in comparison with  single digit involvement.   method: a number of 100 patients (131 fingers) were treated by percutaneous release and divided into two groups: single digit (group a) and multiple digits (group b). they were followed up for one year. success rate, pain, complicat...

background: the purpose of present study was to evaluate the role of pre-ovulatory gnrh agonist therapy on ivf outcomes in gnrh antagonist cycles. methods: in this prospective study we recruited 100 infertile women undergoing ivf cycles with gnrh antagonists. the patients were assigned to two groups: group a (the study group, n=42) were assigned for receiving hcg+triptorelin for the final oocyt...

The major epidermal integrins are a 3 b 1 and hemidesmosome-specific a 6 b 4; both share laminin 5 as ligand. Keratinocyte culture studies implicate both integrins in adhesion, proliferation, and stem cell maintenance and suggest unique roles for ab 1 integrins in migration and terminal differentiation. In mice, however, whereas ablation of a 6 or b 4 results in loss of hemidesmosomes, epiderma...