bud (bud)
bud
bud [bud]
1. a structure on a plant, often round, that encloses an undeveloped flower or leaf.
2. any small part of the embryo or adult metazoon more or less resembling the bud of a plant and presumed to have potential for growth and differentiation.
end bud caudal eminence.
limb bud a swelling on the trunk of an embryo that becomes a limb.
periosteal bud vascular connective tissue from the periosteum growing through apertures in the periosteal bone collar into the cartilage matrix of the primary center of ossification.
tail bud
1. in animals having a tail, the primordium that forms it.
2. caudal eminence.
taste bud one of the end organs of the gustatory nerve containing the receptor surfaces for the sense of taste.
ureteric bud an outgrowth of the mesonephric duct giving rise to all but the nephrons of the permanent kidney.
bud (b d)n. 1. A small, rounded anatomical structure or organic part, such as a taste bud. 2. An asexual reproductive structure, as in yeast or a hydra, that consists of an outgrowth capable of developing into a new individual. v. 1. To put forth or cause to put forth buds. 2. To reproduce asexually by forming a bud. |
bud
Etymology: ME, budde
any small outgrowth that is the beginning stage of a living structure, as a limb bud from which an upper or lower limb develops.
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.
bud
a structure 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 tail and caudal part of the trunk.
horn bud
bilateral cranial protuberances, destined to develop to a fighting horn or antler stage.
limb bud
one of the four lateral swellings appearing in vertebrate embryos, which develop into the two pairs of limbs.
tail bud
1. the primordium of the caudal appendage.
2. end bud.
taste b's
end organs of the gustatory nerve containing the receptor surfaces for the sense of taste.
ureteric bud
an outgrowth of the mesonephric duct giving rise to all but the nephrons of the permanent kidney.
bud of urethra
bulb of urethra.
Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content.
| ?Page tools | ||
|---|---|---|
|