Nigeria serves as a destination for marketing of goods and services, as such, her strategic position in Africa calls for concern on political, social and economic issues that may bedeviled the growth and development of the country.Nigeria as a country went through numerous Jeans challenges in the past such as the military takeover of political gove
In flowering plants, mature sperm cells are enclosed in pollen grains formed in structures called anthers.Several cell layers surrounding the central sporogenous cells of the anther are essential for directing the developmental processes that lead to meiosis, pollen formation, and the subsequent pollen release.The specification and function of thes
ABSTRACT here Several bat species use caves as roosts and some of these caves can harbor high concentrations of individuals.Such caves may represent opportunities for certain predators, benefiting from the concentration of potential prey.Here, we report the predation of a Pteronotus bat by a Corallus hortulanus in the Brazilian Amazon.On three occa
Abstract Background Ovarian cysts are a common cause for gynecological surgery.However, some cysts are a direct result of endocrine disorders and do not require surgery.This report describes an unusual case in which persistent ovarian cysts are associated with primary hypothyroidism in a young woman.The data were collected by history-taking, physic
Eucalyptus species have been widely employed in the projects of reforestation in Tunisia.Although their ecological functions are controversial, these plants are indeed important to counteract soil erosion, and represent a fast-growing source of fuelwood and charcoal wood.In the present study, we considered five Eucalyptus species, namely Eucalyptus