bud

(redirected from limb bud)
Also found in: Dictionary, Thesaurus, Medical, Encyclopedia, Wikipedia.
References in periodicals archive ?
Transplantation experiments conducted on chick limb buds of various stages highlight the regulative influence of the chick limb bud tip in response to different graft sites.
Sonic hedgehog and Fgf-4 act through a signaling cascade and feedback loop to integrate growth and patterning of the developing limb bud. Cell.
Dll expression was detected before the limb bud was morphologically visible in amphipod pereonites (Hejnol and Scholtz, 2004; Browne et al., 2005), indicating that the function of Dll in early limb development is conserved among amphipod pereopods.
The in situ hybridization analysis indicated that the lmbr1 expression levels were coincident with the Q-PCR results in HH21, HH23 and HH24 stages, with the expression sites located in ectoderm of the limb buds.
These parasites burrow into the hindquarters of tadpoles where they interfere with limb development by physically rearranging the limb bud cells.
The resulting blastema, a mass of unspecialized cells, proliferates rapidly to form a limb bud. The cells ultimately take on specialized roles as the new limb takes shape.
In about fifth week of intrauterine life, the pectoral musculature is derived from the ventral limb bud masses from the myoblasts.
On 7 June 2004, 449 Spea intermontana tadpoles (3 with hind limb bud development) were captured, counted, and returned to the pond.
Congenital birth defects of the arms, legs, hands or feet result from improper development of limb bud tissues during embryogenesis.
Cell lines with chondrogenic potential, such as C3H10T1/2 cells, and primary limb bud mesenchymal cells plated at high density undergo differentiation to form distinct cartilage nodules.
The endites include four setated lobes on the medial edge of the limb bud (Fig.