TY - JOUR
T1 - Numbers of rat dorsal root axons and ganglion cells during postnatal development
AU - Hulsebosch, Claire E.
AU - Coggeshall, Richard E.
AU - Chung, Kyungsoon
PY - 1986/4
Y1 - 1986/4
N2 - The present study demonstrates that T4 and S2 rat dorsal root axons decrease significantly from birth to adulthood with almost all of the decrease occurring in the first two weeks of life. Dorsal root ganglion cell numbers do not change during this time period. This is thus an example of postnatal axon elimination not associated with death of the cells that give rise to the axons. Presumably this regressive process is important in the formation of the normal adult nervous system. In addition, these findings raise the possibility that certain types of neonatal denervation may increase adult axon numbers by stopping a regressive process, the loss of axons, rather than initiating a progressive process, the formation of new axons.
AB - The present study demonstrates that T4 and S2 rat dorsal root axons decrease significantly from birth to adulthood with almost all of the decrease occurring in the first two weeks of life. Dorsal root ganglion cell numbers do not change during this time period. This is thus an example of postnatal axon elimination not associated with death of the cells that give rise to the axons. Presumably this regressive process is important in the formation of the normal adult nervous system. In addition, these findings raise the possibility that certain types of neonatal denervation may increase adult axon numbers by stopping a regressive process, the loss of axons, rather than initiating a progressive process, the formation of new axons.
KW - axon loss
KW - dorsal root
KW - postnatal
UR - http://www.scopus.com/inward/record.url?scp=0022707169&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=0022707169&partnerID=8YFLogxK
U2 - 10.1016/0165-3806(86)90012-X
DO - 10.1016/0165-3806(86)90012-X
M3 - Article
C2 - 3955377
AN - SCOPUS:0022707169
SN - 0165-3806
VL - 26
SP - 105
EP - 113
JO - Developmental Brain Research
JF - Developmental Brain Research
IS - 1
ER -