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Author: Yuping Wang Publisher: Biota Publishing ISBN: 1615047514 Category : Medical Languages : en Pages : 126
Book Description
The placenta is an organ that connects the developing fetus to the uterine wall, thereby allowing nutrient uptake, waste elimination, and gas exchange via the mother's blood supply. Proper vascular development in the placenta is fundamental to ensuring a healthy fetus and successful pregnancy. This book provides an up-to-date summary and synthesis of knowledge regarding placental vascular biology and discusses the relevance of this vascular bed to the functions of the human placenta.
Author: Yuping Wang Publisher: Biota Publishing ISBN: 1615047514 Category : Medical Languages : en Pages : 126
Book Description
The placenta is an organ that connects the developing fetus to the uterine wall, thereby allowing nutrient uptake, waste elimination, and gas exchange via the mother's blood supply. Proper vascular development in the placenta is fundamental to ensuring a healthy fetus and successful pregnancy. This book provides an up-to-date summary and synthesis of knowledge regarding placental vascular biology and discusses the relevance of this vascular bed to the functions of the human placenta.
Author: Ben McPherson Publisher: HarperCollins ISBN: 0062406124 Category : Fiction Languages : en Pages : 348
Book Description
In one of the most entertaining and twisty thrillers of the year a London family, a mother, father and young son, must deal with the murder of their secretive next door neighbor and the intrusive police investigation that follows. Readers will be faced with ever shifting and increasingly frightening suspicions that one or all of them had something to do with it. Alex Mercer loves his family more than anything. His wife Millicent and their precocious eleven-year-old son Max are everything to him, his little tribe. When he is with them all is right with the world. But when he and Max find their next door neighbour dead in his bathtub, their lives are suddenly and irrevocably changed. Max is surprisingly fascinated by the dead body, and Alex is understandably anxious about how Max will react later, once he takes it all in. And Alex is increasingly impatient for the police to conclude their investigation and call this the suicide that it so clearly was. But as new information surfaces, it becomes clear that there is more to this than anyone is saying... Why was the neighbour charging his home improvements to the Mercers’ address? How did Millicent’s bracelet end up in his apartment? And why, in fact, did Max lead his father into the house on the quiet summer night that they found the corpse? As suspicion grows between the three, the once close-knit family starts to disintegrate. Is Alex really the loving husband we believe him to be? And where is Millicent really going when she disappears for hours, walking the parks of London, stewing over something that she can’t forget? Each of them is suffering. Each has something to hide. And as each questions how well they really know each other, they must decide how far they’ll go to protect themselves-and each other-from investigators who are watching every move they make. Just waiting for someone to make a mistake.
Author: Allison Moorer Publisher: Da Capo Press ISBN: 0306922673 Category : Biography & Autobiography Languages : en Pages : 320
Book Description
The Grammy- and Academy Award- nominated singer-songwriter's haunting, lyrical memoir, sharing the story of an unthinkable act of violence and ultimate healing through art Mobile, Alabama, 1986. A fourteen-year-old girl is awakened by the unmistakable sound of gunfire. On the front lawn, her father has shot and killed her mother before turning the gun on himself. Allison Moorer would grow up to be an award-winning musician, with her songs likened to "a Southern accent: eight miles an hour, deliberate, and very dangerous to underestimate" (Rolling Stone). But that moment, which forever altered her own life and that of her older sister, Shelby, has never been far from her thoughts. Now, in her journey to understand the unthinkable, to parse the unknowable, Allison uses her lyrical storytelling powers to lay bare the memories and impressions that make a family, and that tear a family apart. Blood delves into the meaning of inheritance and destiny, shame and trauma -- and how it is possible to carve out a safe place in the world despite it all. With a foreword by Allison's sister, Grammy winner Shelby Lynne, Blood reads like an intimate journal: vivid, haunting, and ultimately life-affirming.
Author: Roland N. Pittman Publisher: Biota Publishing ISBN: 1615047212 Category : Medical Languages : en Pages : 117
Book Description
This presentation describes various aspects of the regulation of tissue oxygenation, including the roles of the circulatory system, respiratory system, and blood, the carrier of oxygen within these components of the cardiorespiratory system. The respiratory system takes oxygen from the atmosphere and transports it by diffusion from the air in the alveoli to the blood flowing through the pulmonary capillaries. The cardiovascular system then moves the oxygenated blood from the heart to the microcirculation of the various organs by convection, where oxygen is released from hemoglobin in the red blood cells and moves to the parenchymal cells of each tissue by diffusion. Oxygen that has diffused into cells is then utilized in the mitochondria to produce adenosine triphosphate (ATP), the energy currency of all cells. The mitochondria are able to produce ATP until the oxygen tension or PO2 on the cell surface falls to a critical level of about 4–5 mm Hg. Thus, in order to meet the energetic needs of cells, it is important to maintain a continuous supply of oxygen to the mitochondria at or above the critical PO2 . In order to accomplish this desired outcome, the cardiorespiratory system, including the blood, must be capable of regulation to ensure survival of all tissues under a wide range of circumstances. The purpose of this presentation is to provide basic information about the operation and regulation of the cardiovascular and respiratory systems, as well as the properties of the blood and parenchymal cells, so that a fundamental understanding of the regulation of tissue oxygenation is achieved.
Author: Tanya Huff Publisher: Penguin ISBN: 0756408490 Category : Fiction Languages : en Pages : 290
Book Description
The Blood Books are now available in "Blood Ties" TV tie-in editions. View our TV tie-in feature page here here. Vicki Nelson has received the call that no daughter ever wants to receive—that her mother has died. Marjory Nelson’s coworkers at the Queen’s University Life Science Department told her that she suffered a heart attack, and that they’d be waiting for Vicki to arrive in Kingston to make the funeral arrangements. But what begins as a personal tragedy turns into the most terrifying case of Vicki’s career, when her mother’s body disappears mysteriously from the funeral home. Someone at the University is determined to learn the secret of life after death…and they’ve decided to make Vicki’s mother part of their horrifying experiments.
Author: Michitoshi Inoue Publisher: Springer Science & Business Media ISBN: 4431683674 Category : Medical Languages : en Pages : 330
Book Description
Research centering on blood flow in the heart continues to hold an important position, especially since a better understanding of the subject may help reduce the incidence of coronary arterial disease and heart attacks. This book summarizes recent advances in the field; it is the product of fruitful cooperation among international scientists who met in Japan in May, 1990 to discuss the regulation of coronary blood flow.
Author: David Young Publisher: Biota Publishing ISBN: 1615040226 Category : Medical Languages : en Pages : 110
Book Description
Although cardiac output is measured as the flow of blood from the left ventricle into the aorta, the system that controls cardiac output includes many other components besides the heart itself. The heart’s rate of output cannot exceed the rate of venous return to it, and therefore, the factors governing venous return are primarily responsible for control of output from the heart. Venous return is affected by its pressure gradient and resistance to flow throughout the vascular system. The pressure gradient for venous return is a function of several factors including the blood volume flowing through the system, the unstressed vascular volume of the circulatory system, its capacitance, mean systemic pressure, and right atrial pressure. Resistance to venous return is the sum of total vascular resistance from the aortic valve to the right atrium. The sympathetic nervous system and vasoactive circulating hormones affect short-term resistance, whereas local tissue blood flow autoregulatory mechanisms are the dominant determinants of long-term resistance to venous return. The strength of contraction of the heart responds to changes in atrial pressure driven by changes in venous return, with small changes in atrial pressure eliciting large changes in strength of contraction, as described by the Frank–Starling mechanism. In addition, the autonomic nervous system input to the heart alters myocardial pumping ability in response to cardiovascular challenges. The function of the cardiovascular system is strongly affected by the operation of the renal sodium excretion–body fluid volume–arterial pressure negative feedback system that maintains arterial blood pressure at a controlled value over long periods. The intent of this volume is to integrate the basic knowledge of these cardiovascular system components into an understanding of cardiac output regulation. Table of Contents: Introduction / Venous Return / Cardiac Function / Integrated Analysis of Cardiac Output Control / Analysis of Cardiac Output Regulation by Computer Simulation / Analysis of Cardiac Output Control in Response to Challenges / Conclusion / References / Author Biography
Author: Marilyn J. Cipolla Publisher: Biota Publishing ISBN: 1615047239 Category : Medical Languages : en Pages : 82
Book Description
This e-book will review special features of the cerebral circulation and how they contribute to the physiology of the brain. It describes structural and functional properties of the cerebral circulation that are unique to the brain, an organ with high metabolic demands and the need for tight water and ion homeostasis. Autoregulation is pronounced in the brain, with myogenic, metabolic and neurogenic mechanisms contributing to maintain relatively constant blood flow during both increases and decreases in pressure. In addition, unlike peripheral organs where the majority of vascular resistance resides in small arteries and arterioles, large extracranial and intracranial arteries contribute significantly to vascular resistance in the brain. The prominent role of large arteries in cerebrovascular resistance helps maintain blood flow and protect downstream vessels during changes in perfusion pressure. The cerebral endothelium is also unique in that its barrier properties are in some way more like epithelium than endothelium in the periphery. The cerebral endothelium, known as the blood-brain barrier, has specialized tight junctions that do not allow ions to pass freely and has very low hydraulic conductivity and transcellular transport. This special configuration modifies Starling's forces in the brain microcirculation such that ions retained in the vascular lumen oppose water movement due to hydrostatic pressure. Tight water regulation is necessary in the brain because it has limited capacity for expansion within the skull. Increased intracranial pressure due to vasogenic edema can cause severe neurologic complications and death.
Author: Maria Lima Publisher: Simon and Schuster ISBN: 1439167788 Category : Fiction Languages : en Pages : 372
Book Description
Texas is heating up. . . . The summer heat wave that’s hit Rio Seco, Texas, has even the vampires complaining, but now that Keira—the Kelly Heir—is home from Vancouver, the weather isn’t the only thing too hot to handle. Keira should be setting up her court and planning the big reception at which she and her consort, vampire ruler Adam Walker, will receive the magical leaders from the local area, but pomp and circumstance just aren’t Keira’s thing, especially not with trouble smoldering in her domain. A werewolf couple has mysteriously gone missing from a local pack, and when Keira is asked by their leader to investigate, she finds that some dissatisfied neighbors may have been taking, well, strong action against the wer community—action that could be repeated and could involve Keira and those she loves. With the reception looming and danger fast blazing out of control, the pressure is on Keira to keep Texas safe for supernaturals. Sometimes, it’s just not that great to be Heir. . . .
Author: Yuping Wang
Author: Yuping Wang
Author: Ben McPherson
Author: Allison Moorer
Author: Roland N. Pittman
Author: Tanya Huff
Author: Michitoshi Inoue
Author: David Young
Author: Marilyn J. Cipolla
Author: Maria Lima
Author: J. Gordon Betts