investigation of projectiles penetration phenomenon has been carried out in non-cohesive soil (sand) targets under dry, saturated and compacted conditions. analytical studies have been performed on the linear and non-linear soil models to obtain penetration depth formulae for ogival nose projectile and the results are verified by experimental studies. in present work, three ogival nose projecti...

BACKGROUND Cardiovascular disease may have its origins in utero, but the influence of in utero growth on microvascular structure in children is unknown. We hypothesized that poor in utero growth is associated with narrower arteriolar caliber, which may help explain the established association of low birth weight with hypertension and cardiovascular disease in adulthood. METHODS AND RESULTS We...

abstract background: several case studies have described the use of the superficial inferior epigastric artery (siea) flap as a pedicled flap for reconstruction of upper and lower ex tremities, or a free fasciocutaneous flap when a large amount of skin coverage is required for hemifacial atrophy, breast or head and neck reconstruction. apparently, the anatomical findings of previous studies are...

PURPOSE To describe the normal physiological relationship between retinal arteriolar and venular caliber and retinal nerve fiber layer (RNFL), macular, and optic nerve head parameters. METHODS The Sydney Childhood Eye Study assessed 2038 adolescents aged 12 years. Retinal vessel calibers were measured from digital fundus photographs using standardized protocols. Optical coherence tomography m...

The relationship between aortic caliber (AC) and aortic pressure (AP) was studied in eleven normotensive (NCR) and 17 one-kidney, one clip chronic renal hypertensive conscious Wistar rats (RHR) at rest and when transient changes in blood pressure were produced. The mean values for AC, AP, and tangential stress were 20%, 75%, and 73% higher in RHR than NCR. Similarly, the aorta thickness was 21%...

IMPORTANCE Minimizing morbidity when performing free flap reconstruction of the head and neck is important in the overall reconstructive paradigm. OBJECTIVE To examine the indications and success rates of free tissue transfer using small-caliber facial recipient vessels and minimal access incisions. DESIGN, SETTING, AND PARTICIPANTS Retrospective medical record review of patients with head ...

A novel method for the visual and quantitative analysis of the geometrical relationship between the vascular architecture of the brain and white matter pathology is presented. The cerebro vascular system is implicated in the pathogenesis of many diseases of the cerebral white matter, for example, stroke, microcerebrovascular disease, and multiple sclerosis (MS). In our work, white matter lesion...

Birth Factors and Retinal Vascular Caliber in a Twin Study To the Editor: I read with interest the data from the Twins Eye Study in Tasmania demonstrating associations between birth factors and retinal vascular caliber.1 From these findings, the authors suggest that fetal growth may have adverse influence on the microcirculation. Low growth parameters at birth may not be specific and sensitive ...

 ABSTRACT Background: Several case studies have described the use of the superficial inferior epigastric artery (SIEA) flap as a pedicled flap for reconstruction of upper and lower ex tremities, or a free fasciocutaneous flap when a large amount of skin coverage is required for hemifacial atrophy, breast or head and neck reconstruction. Apparently, the anatomical findings of previous studies ar...