Ultrastructural comparison between regenerating and developing hindlimbs of Xenopus laevis tadpoles [0.03%]
非洲爪蟾蝌蚪再生和发育后肢的超微结构比较研究
P A Khan,R A Liversage
P A Khan
Hindlimbs of Xenopus laevis tadpoles at stages 50 to 55 of embryonic development were amputated in order to study the fine structure associated with ontogenetic decline in regenerative ability of this anuran. Regenerating hindlimbs were com...
Comparative Study
Growth, development, and aging : GDA. 1990 Winter;54(4):173-81. DOI: 1990
K Kanefuji,T Shohoji
K Kanefuji
An asymptotic lifetime growth model of height is introduced by modifying a fundamental growth model considering a relative measure of maturity. This model is compared with the Preece-Baines model and the Jolicoeur et al. model for 365 Japan...
J H Van Abeelen,H J Leenders,W A Lemmens
J H Van Abeelen
From a four-way cross between unrelated inbred strains of mice, a random-breeding line was developed that segregated at two coat-color loci and carried Y chromosomes from different sources. Adult males were used for measurements of body wei...
Reducing bias in estimates of the richards growth function shape parameter [0.03%]
减少Richards生长函数形状参数估计偏差的方法
D A McCallum,P M Dixon
D A McCallum
A process error model developed by White and Brisbin (1980) is used frequently for estimation of the parameters of the Richards sigmoid growth function. The Richards function includes a parameter, m, that describes the shape of familiar thr...
In vivo effects of biosynthetic chicken growth hormone in broiler-strain chickens [0.03%]
鸡成人生长激素在肉仔鸡体内的生物合成效应
C G Scanes,T A Peterla,S Kantor et al.
C G Scanes et al.
Two experiments were conducted to examine the effects of growth hormone (GH) in growing chickens older than broiler age. In experiment 1, 8 week old male (heavy "broiler" type strain) chickens received daily injections of either biosyntheti...
Proportion of necrosis in transplanted murine adenocarcinomas and its relationship to tumor growth [0.03%]
移植小鼠腺癌的坏死比例及其与肿瘤生长的关系
G M Baker,H L Goddard,M B Clarke et al.
G M Baker et al.
Percentage of necrosis has been measured in 30 murine adenocarcinoma transplants of known volume. It was found that changes in necrotic proportion during the growth of these particular tumors agree with the concept of a core of necrosis sur...
Effects of paternal and maternal undernutrition on growth of offspring in rats [0.03%]
父母营养不良对大鼠后代生长的影响
E L Abel
E L Abel
In adult males, undernutrition is associated with altered spermatogenesis. The present study was performed to evaluate the possible role of paternal undernutrition on growth and development of rat offspring and to compare those effects with...
Growth analysis in two lines of rats and their reciprocal F1 crosses under two nutritional environments. Heterosis for body weight and maturing rate [0.03%]
两种大鼠品系及其相互杂交F1代在两种营养条件下的生长分析体重及性成熟异交优势
R J Di Masso,A N Rucci,M T Font
R J Di Masso
The heterotic effects for body weight during the early postweaning period and on the von Bertalanffy growth equation parameters in relation with the growth pattern as a whole were investigated in rats with caloric restriction (20%) and in c...
Growth of organs and tissues in carp (Cyprinus carpio L.) larvae [0.03%]
鲤鱼(Cyprinus carpio L.)幼鱼的器官和组织生长发育规律研究
H Alami-Durante
H Alami-Durante
Growth of some internal organs and tissues was studied in carp (Cyprinus carpio L.) in order to provide baseline information on the growth process during the first posthatching stages of fish, and to compare the trend observed in fish to th...
A new radiological method for assessing long bone growth in the small laboratory animal [0.03%]
一种在小型实验动物中评估长骨生长的新放射学方法
M C Lynch,J F Taylor
M C Lynch
The growth of the immature rat tibia has been measured following five different growth stimulating procedures. These comprised proximal periosteal release, proximal periosteal release with insertion of dissimilar metal wire, repeated proxim...