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[Biometry of the large bones of fetal extremities in the 3d trimester]. 1984

E Merz, and S Pehl, and W Goldhofer, and G Hoffmann

Ultrasound measurement of head, thorax and the limb bones femur, tibia, humerus and radius was made of 285 fetuses with known gestational age. In addition measurements of the fibula were obtained in 120 fetuses and of the ulna in 125 fetuses. With the use of these data a normal growth curve for each limb bone was established, which can be helpful in detecting late fetal limb malformations as heterozygous achondroplasia. All limb bones show a nearly linear growth rate so that the length of the bones can alternatively be used to determine gestational age. The linear relationship between growth of the limb bones and the fetal head can be used to diagnose fetal head malformations as microcephaly.

UI MeSH Term Description Entries
D007866 Leg The inferior part of the lower extremity between the KNEE and the ANKLE. Legs
D011884 Radius The outer shorter of the two bones of the FOREARM, lying parallel to the ULNA and partially revolving around it. Radial Tuberosity,Radial Tuberosities,Tuberosities, Radial,Tuberosity, Radial
D005269 Femur The longest and largest bone of the skeleton, it is situated between the hip and the knee. Trochanter,Greater Trochanter,Lesser Trochanter,Femurs,Greater Trochanters,Lesser Trochanters,Trochanter, Greater,Trochanter, Lesser,Trochanters,Trochanters, Greater,Trochanters, Lesser
D005323 Fetal Monitoring Physiologic or biochemical monitoring of the fetus. It is usually done during LABOR, OBSTETRIC and may be performed in conjunction with the monitoring of uterine activity. It may also be performed prenatally as when the mother is undergoing surgery. Monitoring, Fetal,Fetal Monitorings,Monitorings, Fetal
D005325 Fetal Organ Maturity Functional competence of specific organs or body systems of the FETUS in utero. Fetal Maturity, Functional,Functional Fetal Maturity,Maturity, Fetal Organ,Maturity, Functional Fetal,Organ Maturity, Fetal
D005360 Fibula The bone of the lower leg lateral to and smaller than the tibia. In proportion to its length, it is the most slender of the long bones. Fibulas
D005865 Gestational Age The age of the conceptus, beginning from the time of FERTILIZATION. In clinical obstetrics, the gestational age is often estimated from the onset of the last MENSTRUATION which is about 2 weeks before OVULATION and fertilization. It is also estimated to begin from fertilization, estrus, coitus, or artificial insemination. Embryologic Age,Fetal Maturity, Chronologic,Chronologic Fetal Maturity,Fetal Age,Maturity, Chronologic Fetal,Age, Embryologic,Age, Fetal,Age, Gestational,Ages, Embryologic,Ages, Fetal,Ages, Gestational,Embryologic Ages,Fetal Ages,Gestational Ages
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D006811 Humerus Bone in humans and primates extending from the SHOULDER JOINT to the ELBOW JOINT. Humeri,Greater Tubercle,Humeral Greater Tuberosity,Humeral Lesser Tuberosity,Lesser Tubercle,Olecranon Fossa,Olecranon Fossi,Greater Tubercles,Greater Tuberosities, Humeral,Greater Tuberosity, Humeral,Humeral Greater Tuberosities,Humeral Lesser Tuberosities,Lesser Tubercles,Lesser Tuberosities, Humeral,Lesser Tuberosity, Humeral,Tubercle, Greater,Tubercles, Greater
D001132 Arm The superior part of the upper extremity between the SHOULDER and the ELBOW. Brachium,Upper Arm,Arm, Upper,Arms,Arms, Upper,Brachiums,Upper Arms

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