crown-rump length


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Related to crown-rump length: biparietal diameter

length

 [length]
an expression of the longest dimension of an object, or of the measurement between its two ends.
crown-heel length (CHL) the distance from the crown of the head to the heel in embryos, fetuses, and infants; the equivalent of standing height in older persons.
Measuring an infant's crown-heel length. From Lammon et al., 1996.
crown-rump length (CRL) the distance from the crown of the head to the breech in embryos, fetuses, and infants; the equivalent of sitting height in older subjects.
cycle length in cardiac pacing terminology, the time interval in milliseconds from one event to the next; it is the inverse of the intrinsic rate (beats per minute) or the paced rate (pulses per minute).
focal length the distance between a lens and an object from which all rays of light are brought to a focus.

crown-rump length

the length of an embryo, fetus, or newborn as measured from the crown of the head to the prominence of the buttocks.

crown-rump length

(Cr, CRL) (krown-rŭmp length)
A measurement from the vertex of the cranium to the midpoint between the apices of the buttocks of an embryo or fetus, whichpermits approximation of embryonic or fetal age.
See also: crown-heel length

crown-rump length

(CRL) (krown-rŭmp length)
A measurement from the vertex of the cranium to the midpoint between the apices of the buttocks of an embryo or fetus to assess of embryonic or fetal age.

crown-rump length,

n the length of an embryo, fetus, or newborn as measured from the crown of the head to the prominence of the buttocks.

length

an expression of the longest dimension of an object, or of the measurement between its two ends.

crown-heel length
the distance from the crown of the head to the heel in embryos, fetuses and neonates.
crown-rump length
the distance from the crown of the head to the point of attachment of the tail.
References in periodicals archive ?
0 g and was carrying a single embryo that had a crown-rump length of 4 mm.
There was a significant effect of pesticide dose on both newborn weight (ANCOVA, p = 0,061) and on crown-rump length (ANCOVA, p = 0.
Robinson HP: Sonar measurement of fetal crown-rump length as a means of assessing maturity in first trimester of pregnancy.
The fetus weighed 58 g and had a crown-rump length of 8.
Viability was 100% in 38 pregnancies in which fetal heart rates exceeded 100 beats per minute and embryos were determined to be growing appropriately at 5-6 weeks based on crown-rump length on ultrasound, explained Dr.
The gestational age of the fetuses was determined by its crown-rump length and from obstetrical history.
In normal pregnancies, crown-rump lengths increase by 1 mm/day, and the days of gestational age can be estimated by adding the crown-rump length plus 42, Dr.
Adult females in this collection yield the following reproductive information: 26 June 1996, two pregnant, each with one fetus, measuring 28 and 31 mm in crown-rump length, and one with no evident reproductive activity; 17 July 1996, one with no evident reproductive activity.
TABLE 1 Age of the Embryo/fetus Crown-Rump length (C.
The mean crown-rump length also was similar between sexes, at 62.
The individual (TTU 68598, TK 48160), a pregnant female (4 embryos, crown-rump length 9 mm), was acquired on 5 August 1995 from a locality in Big Bend Ranch State Park (UTM coordinates 13 601619E 3260741N).
The age of fetuses were calculated from Crown-Rump Length & Weight (before injecting formalin).