end bud


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bud

 [bud]
1. a structure on a plant, often round, that encloses an undeveloped flower or leaf.
2. something resembling the bud of a plant, especially a protuberance in the embryo from which an organ or part develops.
end bud the remnant of the embryonic primitive knot, from which arises the caudal part of the trunk.
limb bud one of the four lateral swellings appearing in vertebrate embryos, which develop into the two pairs of limbs.
tail bud
the primordium of the caudal appendage.
taste b's end organs of the gustatory nerve containing the receptor surfaces for the sense of taste.
ureteric bud a dorsal outgrowth of the mesonephric duct near its entry into the cloaca; it is the primordium of the ureter, renal pelvis, calices, and collecting tubules of the kidneys.
bud of urethra bulb of urethra.

caudal eminence

the rapidly proliferating mass of cells in the form of a taillike prominence found at the caudal extremity of the embryo; remnant of the primitive node.
Synonym(s): end bud, tail bud, tailbud

cau·dal em·i·nence

(kaw'dăl em'i-nĕns)
The taillike caudal end of the embryo; it does not, however, form a tail in human embryos.
Synonym(s): end bud, tail bud.
References in periodicals archive ?
D2 female mice maintained on HFD showed significant increases in branch elongation and number of terminal end buds compared with those maintained on LFD (p < 0.01; Figure 4A,B).
This delay in gland development was evident after sexual maturity and led to an increased presence of terminal end buds, structures sensitive to carcinogen in TCDD studies (Brown et al.
Their sensitivity to oestrogen was revealed by the degree to which it affected the further growth and structure of terminal end buds.
"Terminal end buds are where cancer typically develops in the adult breast," says Mindy Kurzer of the University of Minnesota.
This differentiation decreases the number of certain breast cells present in so-called terminal end buds, which some scientists suspect are susceptible to cancer.