With the use of conventional anatomical dissection, radiography, digital and statistical analysis, morphometry and skeletopy of the pancreas was carried out in 60 human foetuses of both sexes (28 female, 32 male) between the 17th and 40th week of intrauterine life. The material was fixed in a 10% formalin solution. The age of the foetuses was determined by crown-rump (CR) length measurement on ...

this research was conducted to compare fiber and follicle characteristics of chios, arkhamerino×moghani, and suffolk×moghani sheep. forty non-lactating ewes (16 heads of chios, 12 head arkhamerino×moghani, and 12 heads of suffolk×moghani) at the age of 22 months were randomly selected and kept for a period of 50 days. at the end of the experimental period, 50 grams of wool was collected from le...

For an r-uniform hypergraph H, let f(H) be the minimum number of complete r-partite r-uniform subhypergraphs of H whose edge sets partition the edge set of H. In this talk, I will discuss the value of f(H) for the random hypergraph H. Namely, I will prove that if (log n)/n ≤ p ≤ 1/2 and H ∈ H(n, p), then with high probability f(H) = (1− π(K(r−1) r ) + o(1)) ( n r−1 ) , where π(K(r−1) r ) is the...

BACKGROUND Osteointegration of press-fit radial head implants is achieved by limiting micromotion between the stem and bone. Aspects of stem design that contribute to the enhancement of initial stability (ie, stem diameter and surface coating) have been investigated. The importance of total prosthesis length and level of the neck cut has not been examined. METHODS Cadaveric radii were implant...

due to cereal are affected by drought stress in their lifetime. in order to study gene action of bread wheat under drought stress condition, a generation mean analysis was performed using f1, f2 and f3 generations derived from roushan and kavir. generation mean analysis was performed based on joint scaling test. genetic parameters including additive effect (d), dominance effect (h), additive×ad...

introduction: sexual dimorphisms in biological structures such as brain and behaviour have been widely recognized in animals and humans. the purpose of this study was to examine whether there are sex differences in the size of the cerebellum with other body traits, such as the head, tail and brain. methods: twelve grasscutters comprising of 6 males and 6 females were used in this study. each br...

For grass species to spread efficiently through their environment requires seeds that can disperse over large distances and burrow into the ground. Recent work using awns from Hordeum murinum in conjunction with mathematical modelling shows that awn shape leverages environmental oscillations in order to produce these directional translations.

Common wild rice (Oryza rufipogon), the wild relative of Asian cultivated rice (Oryza sativa), flaunts long, barbed awns, which are necessary for efficient propagation and dissemination of seeds. By contrast, O. sativa cultivars have been selected to be awnless or to harbor short, barbless awns, which facilitate seed processing and storage. The transition from long, barbed awns to short, barble...