Vertebral level of the ending of the spinal cord and its relationship to the length of the vertebral column in northern Turkish neonates. 1995

N Içten, and E Memedova, and Y Süllü
Department of Anatomy, Ondokuz Mayis University, Faculty of Medicine, Samsun, Turkey.

Racial and sex differences in the level of ending of the spinal cord of the adult have been reported. It is lower in Africans and in females. Since such differences may affect even fetuses and newborns we aimed to study in Northern Turkish neonates. The study was made on 40 full-term newborn still-births (23 male, 17 female). In all cases, the length of the vertebral column, the length of the spinal cord and the body weight were measured and the vertebral level of ending of the spinal cord was noted. It was found that the termination of the spinal cord varied from the first lumbar to the second sacral vertebra, with a mean level between L2 and L3. In female neonates, it was observed that the spinal cord ended at a slightly lower level (0.2 vertebra) than in males. Our findings approximately agreed with those of Barson [2] who studied neonates in England and of Jit and Charnalia [5] in North India. However, we found that the spinal cord ended one and half vertebrae lower in Northern Turkish neonates than in South African and South Indian subjects. The correlations between body-weight and length of the spinal cord, weight and length of the vertebral column, length of the spinal cord and length of vertebral column, length of the vertebral column and level of ending of the cord were statistically highly significant for males, females and both sexes together (p < 0.001). The longer the vertebral column, the higher the termination of the spinal cord.

UI MeSH Term Description Entries
D007231 Infant, Newborn An infant during the first 28 days after birth. Neonate,Newborns,Infants, Newborn,Neonates,Newborn,Newborn Infant,Newborn Infants
D008297 Male Males
D012044 Regression Analysis Procedures for finding the mathematical function which best describes the relationship between a dependent variable and one or more independent variables. In linear regression (see LINEAR MODELS) the relationship is constrained to be a straight line and LEAST-SQUARES ANALYSIS is used to determine the best fit. In logistic regression (see LOGISTIC MODELS) the dependent variable is qualitative rather than continuously variable and LIKELIHOOD FUNCTIONS are used to find the best relationship. In multiple regression, the dependent variable is considered to depend on more than a single independent variable. Regression Diagnostics,Statistical Regression,Analysis, Regression,Analyses, Regression,Diagnostics, Regression,Regression Analyses,Regression, Statistical,Regressions, Statistical,Statistical Regressions
D001835 Body Weight The mass or quantity of heaviness of an individual. It is expressed by units of pounds or kilograms. Body Weights,Weight, Body,Weights, Body
D002420 Cauda Equina The lower part of the SPINAL CORD consisting of the lumbar, sacral, and coccygeal nerve roots. Filum Terminale,Equina, Cauda,Terminale, Filum
D005260 Female Females
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000886 Anthropometry The technique that deals with the measurement of the size, weight, and proportions of the human or other primate body.
D012727 Sex Characteristics Those characteristics that distinguish one SEX from the other. The primary sex characteristics are the OVARIES and TESTES and their related hormones. Secondary sex characteristics are those which are masculine or feminine but not directly related to reproduction. Gender Characteristics,Gender Differences,Gender Dimorphism,Sex Differences,Sex Dimorphism,Sexual Dichromatism,Sexual Dimorphism,Characteristic, Gender,Characteristic, Sex,Dichromatism, Sexual,Dichromatisms, Sexual,Difference, Sex,Dimorphism, Gender,Dimorphism, Sex,Dimorphism, Sexual,Gender Characteristic,Gender Difference,Gender Dimorphisms,Sex Characteristic,Sex Difference,Sex Dimorphisms,Sexual Dichromatisms,Sexual Dimorphisms
D013116 Spinal Cord A cylindrical column of tissue that lies within the vertebral canal. It is composed of WHITE MATTER and GRAY MATTER. Coccygeal Cord,Conus Medullaris,Conus Terminalis,Lumbar Cord,Medulla Spinalis,Myelon,Sacral Cord,Thoracic Cord,Coccygeal Cords,Conus Medullari,Conus Terminali,Cord, Coccygeal,Cord, Lumbar,Cord, Sacral,Cord, Spinal,Cord, Thoracic,Cords, Coccygeal,Cords, Lumbar,Cords, Sacral,Cords, Spinal,Cords, Thoracic,Lumbar Cords,Medulla Spinali,Medullari, Conus,Medullaris, Conus,Myelons,Sacral Cords,Spinal Cords,Spinali, Medulla,Spinalis, Medulla,Terminali, Conus,Terminalis, Conus,Thoracic Cords

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