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 ?
Newborn weight and crown-rump length after in utero exposure to a commercial mixture of 2,4-D, mecoprop, and dicamba during pregnancy in different seasons (mean [+ or -] SD).
When the 5- to 6-week ultrasound shows a reassuring crown-rump length and a fetal heart rate over 100, "we can give very positive reinforcement to couples, which is a wonderful thing you can do for them," Dr.
Fetal heart rates and crown-rump lengths were obtained between weeks 10 and 14 by M-mode and transvaginal or transab-dominal ultrasound, reported Dr.
A single specimen (TTU 63331) was gravid with three fetuses measuring 5 mm in crown-rump length.
One specimen (TTU 63059) was gravid with two fetuses measuring 10 mm in crown-rump length.
A female (TTU 61916), this shrew carried five fetuses that measured 6 mm in crown-rump length on 2 August 1992.
Neither of two March-taken females was pregnant, but two captured in April had fetuses measuring 9 and 11 in crown-rump length.
Placenta weights, number of live and dead fetuses, fetal weights, fetal resorption and crown-rump lengths for all study groups are summarized in Table 1 that shows effect of LPS and co-treatment of LPS and Vitamin E on IUGR and IUFD.
On 25 November 1986, a Llano pocket gopher (TCWC 53480) containing three fetuses with crown-rump lengths of about 18 mm was captured 16 mi S of Sabinal, Uvalde County, Texas.