pvrank (version 1.1)

Gabbs: Dimensions of fetal metacurpals and phalanges

Description

Micrometric measurements of optically-projected histological hand sections.

Usage

data(Gabbs)

Format

A data frame with 19 observations on the following 6 variables.

V15-29mm

Absolute measurements in millimeters.

V30-44mm

Absolute measurements in millimeters.

V45-59mm

Absolute measurements in millimeters.

V60-74mm

Absolute measurements in millimeters.

V75-89mm

Absolute measurements in millimeters.

V90-104mm

Absolute measurements in millimeters.

AR

Adult ranks.

Source

Garn, S. M. et al. (1975). "Early prenatal rankings and attainment of adult metacarpal-phalangeal proportions". American Journal of Physical Anthropology, 43, 327--332. Garn, S. M. et al. (1972). "Metacarpophalangeal length in the evaluation of skeletal malformation". Radiology, 105, 375--381.

Details

Bone-to-bone ratios or proportions derived from these measurements evidence a very early disproportionate elongation of distals followed by a gradual approximation of adult proportions by the 90-104 mm crown-rump length. Adult ranks calculated from Garn et al. (1972).

Examples

	data(Gabbs)
	head(Gabbs)