Genesis and distribution of motilin in the human fetus

Table 1 The distribution of motilin in cerebrospinal tissues of different fetal ages (pmol/g, n = 4, x^-± s)

Region	Fetal age (wk)
	16-23	24-31	32-40
Cerebral cortex	UD	0.222 ± 0.052	0.967 ± 0.738
Hypothalamus	UD	0.347 ± 0.152	1.015 ± 0.634
Hypophysis	0.884 ± 0.417	0.599 ± 0.408	1.678 ± 1.404
Cerebellum	UD	0.276 ± 0.116	1.272 ± 1.101
Medullary bulb	UD	0.357 ± 0.068	1.086 ± 0.749
Spinal cord	UD	0.270 ± 1.131	1.611 ± 1.019

UD: Undetectable.

Table 2 The distribution of motilin in digestive tissues of different fetal ages (pmol/g, n = 4, x^-± s)

Region	Fetal age (week)
	16-23	24-31	32-40
Esophagus	UD	0.801 ± 0.483	1.441 ± 0.896
Cardia	UD	0.404 ± 0.239	1.775 ± 0.968
Stomach	0.125 ± 0.071	0.618 ± 0.537	1.966 ± 1.441
Pylorus	UD	0.745 ± 0.724	1.591 ± 0.753
Duodenum	1.562 ± 0.009	3.764 ± 2.471	4.656 ± 2.480
Jejunum	2.302 ± 0.127	3.947 ± 2.729	8.488 ± 4.927
Ileum	0.880 ± 0.173	1.066 ± 0.641	2.420 ± 1.769
Cecum	UD	1.119 ± 0.379	1.726 ± 0.636
Appendix	UD	0.688 ± 0.096	1.632 ± 0.787
Colon	0.250 ± 0.083	1.054 ± 0.363	2.286 ± 1.745
Rectum	0.112 ± 0.037	0.719 ± 0.461	2.318 ± 1.033
Gallbladder	UD	0.457 ± 0.077	1.164 ± 0.397

UD: Undetectable.