Download Fetal-Placental Disorders by Nicholas S. Assali (Eds.) PDF

By Nicholas S. Assali (Eds.)

Show description

Read Online or Download Fetal-Placental Disorders PDF

Best obstetrics & gynecology books

Chesley's Hypertensive Disorders in Pregnancy, 3rd Edition

Hypertensive issues stay one the main explanations of maternal and fetal morbidity and dying. it's also a number one explanation for preterm delivery referred to now to be a hazard consider distant heart problems. regardless of this the hypertensive issues stay marginally studied and administration is frequently arguable.

Tumors of the Fetus and Infant: An Atlas

Over the last 20 years, the impressive advances in imaging strategies, corresponding to ultrasound and quickly or ultra-fast MRI, have resulted in the analysis of more and more tumors on the prenatal degree. This revised, abundantly illustrated moment version of Tumors of the Fetus and child: An Atlas offers an up to date account of the medical and pathological beneficial properties of neoplastic sickness and tumor-like stipulations within the fetus, neonate, and baby and discusses significant tumor reviews and instances from in the course of the international.

Spontaneous Abortion: Diagnosis and Treatment

16 British experts pool their wide wisdom of spontaneous abortion in a single resource. Their dialogue is without delay acceptable to medical events and is helping determine components of dialogue and substitute equipment.

Additional resources for Fetal-Placental Disorders

Example text

Gautieri and co-workers (62, 68, 122, 128, 221, 222) studied the action of numerous pharmacological agents on the vessels of the perfused human placenta. Morphine (122), meperidine (122), histamine (68), serotonin (122, 128), and catecholamines induced umbilical vasoconstriction (68). Although this group of investigators suggested the existence of adrenergic receptors in the umbilical vessels (221, 222), there is no concrete evidence that the extra abdominal vessels in the umbilical cord possess any inner- 48 LAWRENCE D.

On the other hand, Longo and Kleinzeller (209) recently demonstrated that the rate of uptake of galactose by human and rabbit placental slices was lowered in the absence of O2. They also demonstrated that steady state accumulation of galactose and 2-deoxy-D-galactose was de­ creased from normal values, indicating that the transport of these sugars resulted from an energy-dependent process requiring O2. Obviously this is an important problem, since the fetus would benefit if glucose transfer were maintained, or even increased, during hypoxia.

Human placenta at 1 2 weeks showing Langhans cell (C) with large mitochondria. The syncytium (S) has numerous smaller mitochondria, Golgi com­ plexes, and channels of endoplasmic reticulum, χ 15,000 (Courtesy of Dr. Ralph M. ) conditions causing interference when the number of cells is increasing during early gestation is probably not readily overcome. Pathological conditions during the last month of gestation may not affect cell division, but may decrease the cell size and development. This timing may be important in determining the outcome of nutritional deprivation.

Download PDF sample

Rated 4.76 of 5 – based on 40 votes