crown-rump length

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 pacing" >cardiac pacing terminology, the time interval in milliseconds from one event to the next; it is the inverse of the rate" >intrinsic rate (beats per minute) or the rate" >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

(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.

单词	crown-rump length
释义	DictionarySeelength crown-rump length 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 pacing" >cardiac pacing terminology, the time interval in milliseconds from one event to the next; it is the inverse of the rate" >intrinsic rate (beats per minute) or the rate" >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 (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.
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