"what is growth", "quantitative changes of an individual changes in shape and tissue composition as well as distribution cells divide and increase in number known as hyperplasia cells increase in size known as hypertrophy change from generalized cells to tissue to specialized tissue(differentiation)" "what is development", "process of growth from conception to maturation of an individual orderly, coherent, and progressive changes changes in nature and functioning of n organ= improved efficiency ad accuracy of performance development of locomotion maturation of physiological structures" "development of conceptus embryo ad fetus", "embryo=fertilizaion- end of 8th week organogenic period fetus first trimester = vulnerability stage of effects of drugs and radiation organs develop second trimester =complete development of an organ system distinctively human features third trimester= rapid fetal growth organ systems become functional" "cleavage of the zygote", "da 1 = 2 cells +polar body day 2 = 4 cells+ blastomere day 2 and 1/2= 9 cells day 3= 16-cells: morula(latin mulberry) day4= 58 cells blastocyst day 5 = balstocyst with zona pelucida trophoblast, inner cell mass, blastocoele" "what is compaction mediated by?", "E-cadherin" "Cavitation", "sodium and water move across epithelium-like outer blastomeres" "control of embryonic development", "regulation of development- specific genes by transcription factors homeodomain proteins bind to homeobox-containig genes" "stages in development from infancy to old age", "stage : hyperplasia =rapd mitosis stage 2 : hyperplasia and hypertrophy stage 3: hypertrophy +rapid accumulation of fat muscle and connective tissue" "tempo of growth and development of tissue and organs", "1) brain 2) body 3) dentition 4) reproductive" "factors regulating growth", "1)Growth Hormone and insulin-like growth factors= protein synthesis and cell division thyroid hormone = permissive role( permits other hormones to have an enhanced effect )that contributes to nervous system development Insulin = supports tissue growth =stimulating protein synthesis energy is provided in a form of glucose 2) adequate diet 3) absence of chronic stress 4) genetic potential" "Growth hormone", "increase plasma glucose increases bone and muscle growth stimulates protein synthesis stimulates liver to secrete IGFs IGFs to stimulate cartilage growth" "Somatostatin", "growth hormone inhibitor in anterior pituitary gland fsecreted from the hypothalamus" "importance of growth of head", "hydrocephalus water in head" "TESTOSTERONE AND OESTRADIOL", "BACK LENGTHENS BOOST GROWTH HORMONE SECRETION FUSION OF EPIPHYSEAL GROWTH PLATE CESSATION OF GROWTH" "BRAIN GROWTH AND DEVELOPMENT", "" "PHYSIOLGICAL CHANGES DURING AGIN - HEART", "DECREASE INTRINSIC HEART RATE AND MAXMAL HEART RATE BLUNTED BAROFLEX(LESS INCREASE I HEART RATE IN RESPONSE TO DECREASE IN bp) DECREASE IN DIASTOLC RELAXATION INCREASE IN ATRIOVENTRICULAR CONDUCTION TIME INCREASE IN ATRIAL AND VENTRICULAR ATROPY" "TELOMEE SHORTENING WITH AGING", "TELOMERES SHORTEN ENZMES NOWN AS TELOMERASE RE-ENHANCES THE GRWOH OF TELOMERES" "CAUSES OF INTRA-UTERINE GRWOH RESTRICTION (IUGR)", "MATERNAL FACTORS= MEDICAL DISEASE FETAL FACTORS =CHROM DEFECTS PLACENTAL FACTORS = UTEROPLACENTAL INSUFFICIENCY" "GNRH", "NOT ENOUGH CAN CAUSE INFERTILITY"
Download CSV