14 research outputs found
Growth dynamics of the renal and suprarenal arteries in human foetuses
The kidneys and suprarenal cortex are of common embryonic origin. The suprarenal
gland and kidney have a common pathway in angiogenesis. Each of the
organs is of key importance for intrauterine and individual development, yet
they vary greatly in growth dynamics throughout pregnancy. The authors compared
the arterial supply of these organs quantitatively in respect to foetal age
and sex
Digital analysis of the dynamics of the arterial supply to the human foetal kidneys
Variations in the renal arteries in human individuals and foetuses have already
been well studied. Contemporary trends in visualisation techniques focus on the
evaluation of the dynamic parameters of blood flow in the vessels (speed, pulsatility,
resistance). Most of these data have been obtained by the means of Doppler
ultrasound (Fig. 1, 2). The authors have not found any anatomical database
containing information about variability in the volume of the foetal renal arteries.
The aim of the study is to design a database for variation in foetal renal
artery volume in relation to foetal age and sex. The material consisted of digital
images of the renal arteries filled with LBS-latex taken from 30 foetuses aged
12–19 Hbd. Digital analysis of the arteries was made with a unique form of
software. The program is a 2D vector graphic editor using spliced functions of
Bezier. Foetal age is estimated according to the last menstrual period and measurement
of manual foot length and femur length (FL) as determined by ultrasound