Human Development Essay

2381 WordsAug 24, 201310 Pages
Unit 2 Health and Human development- Chapter 6: Key term definitions Amniotic fluid – the fluid surrounding he embryo/foetus, which acts as a protective barrier. Antenatal - occurring before birth ADHD (attention deficit hyperactivity disorder) – a condition which is a pattern of impulsiveness, inattention and overactivity. Autoimmune disease – the immune system attacking and destroying healthy body cells. Cephalocaudal development – development that occurs from the head downwards. Child mortality – deaths that occur between the first birthday and 12 years of age. Colostrum – concentrated form of breast milk, rich in antibodies. It is produced on the first few days after birth. Congenital abnormality – malformed body parts (either external or internal) that can be the result of genetic or environmental factors. Empathy – ability to see events from other point of view and to understand their emotions. Endometrium – the nutrient-rich lining on the uterine wall that is released every month if pregnancy does not occur (period) Implantation – a cluster of cells that will become an embryo attaches itself to the wall of the uterus. Infant mortality – deaths that occur from birth and the first birthday. Meconium – a tar like substance that is excreted through the bowels shortly after birth. Neonate – describes at an infant in the first 28 days after birth. Object permanence – an awareness that objects continue to exist even when out of sight. Perinatal conditions – conditions causing death in the first 28 days of life. Placenta – an organ that allows nutrients, gases and wastes to transfer between mother and foetus. Proximodistal development – development that occurs from the core of the body outwards teratogen – anything in the environment of the embryo that can cause defects in development. Ultrasound – uses high frequency sound waves to create a

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