Probabilistic maturation reaction norms (PMRNs) with up to 3 explanatory dimensions were estimated for female North Sea plaice Pleuronectes platessa. The 3-dimensional PMRNs reported here (1) are the first to be obtained for any organism, (2) reveal the differential capacity of alternative life-history state variables to predict the onset of reproduction, (3) document consistent temporal trends...

Maturation of Norway maple (Acer platanoides L.) seeds produces deep physiological dormancy and resistance to desiccation. This study used two-dimensional electrophoresis to investigate the protein products of genes activated during the complex developmental process of maturation. Qualitative and quantitative changes in protein composition during maturation were tracked in this species. The mos...

OBJECTIVES/HYPOTHESIS To determine the rate of persistent tracheocutaneous fistula (TCF) in pediatric patients managed with stomal maturation at the time of the tracheostomy. STUDY DESIGN Retrospective chart analysis of all cases of tracheostomy performed at a tertiary pediatric care center between 2001 and 2011. METHODS The use of stomal maturation, number of decannulations, number of pers...

An endocrine-disrupting chemical, diethylstilbestrol (DES), a nonsteroidal estrogen, triggers oocyte maturation in fish. The morphology (the time course of the change in germinal vesicle breakdown) and an intracellular molecular event (the de novo synthesis of cyclin B) induced by DES were indistinguishable from those induced by a natural maturation-inducing hormone, 17alpha,20beta-dihydroxy-4-...

background: in vitro maturation (ivm) of oocytes is a promising technique to reduce the costs and avert the side-effects of gonadotropin stimulation for in vitro fertilization (ivf). the pregnancy rates from oocytes matured in vitro are much lower than those of in vivo stimulation cycles, indicating that optimization of ivm remains a challenge. objective: in this study, we investigated the effe...

1. Delay equations are of wide relevance to natural x=f(x1) [7], but the rapid oscillations make any dynamical systems, particularly in medicine and such easy comparison opaque. In this paper we focus physiology. For example, models of respiration [1 on the Mackey—Glass equation [2], which can be and cell maturation [2] naturally include significant written in the form (1), with delays; other s...

The objective of this study was to compare performance and aspects of adaptability attributes of cattle from a Florida Angus bloodline (local source from a mostly closed herd for over 50 yr) to cattle that are representative of modern Angus bloodlines (outside source) in US subtropical conditions. Embryos from both sources were transferred to Brahman-crossbred cows in South Florida, and calves ...