Heavy bleeding after childbirth (postpartum haemorrhage) Heavy bleeding after childbirth is also known as postpartum haemorrhage (PPH), and is an emergency complication of childbirth. Postpartum haemorrhage is defined as a loss of 500ml or more blood from the genital tract in the first 24 hours after giving birth.
The afferent arterioles are a group of blood vessels that supply the nephrons in many excretory systems.They play an important role in the regulation of blood pressure as a part of the tubuloglomerular feedback mechanism.he afferent arterioles are a group of blood vessels that supply the nephrons in many excretory systems.
afferent - a nerve that passes impulses from receptors toward or to the central nervous system. afferent nerve, sensory nerve. dorsal horn, dorsal root - one of the two roots of a spinal nerve that passes dorsally to the spinal cord and that consists of sensory fibers. afferent neuron, sensory neuron - a neuron conducting impulses inwards to the brain or spinal cord. nerve, nervus - any bundle of nerve fibers running to various organs and tissues of the body. afferent fiber, sensory fiber - a nerve fiber that carries impulses toward the central nervous system.