Plant embryonic development, also plant embryogenesis, is a process that occurs after the fertilization of an ovule to produce a fully developed plant... 20 KB (2,485 words) - 15:20, 11 April 2024 |
Embryo (redirect from Early embryonic development) is the initial stage of development for a multicellular organism. In organisms that reproduce sexually, embryonic development is the part of the life... 31 KB (3,231 words) - 06:35, 23 April 2024 |
the tips of organs, or between mature tissues. Thus, a living plant always has embryonic tissues. By contrast, an animal embryo will very early produce... 26 KB (3,245 words) - 23:38, 22 April 2024 |
Cotyledon (redirect from Embryonic leaf) part of the embryo within the seed of a plant, and is defined as "the embryonic leaf in seed-bearing plants, one or more of which are the first to appear... 12 KB (1,244 words) - 10:52, 5 April 2024 |
Organogenesis (redirect from Plant organogenesis) Organogenesis is the phase of embryonic development that starts at the end of gastrulation and continues until birth. During organogenesis, the three... 7 KB (792 words) - 20:13, 8 January 2024 |
In botany, a bud is an undeveloped or embryonic shoot and normally occurs in the axil of a leaf or at the tip of a stem. Once formed, a bud may remain... 8 KB (1,003 words) - 20:34, 28 February 2024 |
Developmental biology (redirect from Biological development) cells in the adult organism. The main processes involved in the embryonic development of animals are: tissue patterning (via regional specification and... 38 KB (4,419 words) - 12:54, 11 April 2024 |
generally or as standard occurs 2 weeks before the actual fertilization. Embryonic age, in contrast measures the actual age of the embryo or fetus from the... 18 KB (2,127 words) - 18:54, 3 February 2024 |
the plant other than at the stem apex or a leaf axil. Axillary – an embryonic shoot which lies at the junction of the stem and petiole of a plant. Dormant... 82 KB (10,345 words) - 15:50, 31 March 2024 |
Sex (redirect from Sex in plants) cells, lacking many cellular components that would be necessary for embryonic development. They are specialized for motility, seeking out an egg cell and... 63 KB (7,033 words) - 04:32, 27 April 2024 |
Embryology (redirect from Embryonic structures) homunculus – that simply becomes larger during development. The competing explanation of embryonic development was epigenesis, originally proposed 2,000 years... 44 KB (6,351 words) - 03:34, 2 April 2024 |
Fetus (section Development in humans) embryo. Following embryonic development, the fetal stage of development takes place. In human prenatal development, fetal development begins from the ninth... 35 KB (3,706 words) - 20:20, 15 April 2024 |
Stem cell (redirect from Human embryonic stemcell) cells make up the inner cell mass during the blastocyst stage of embryonic development, around days 5–14. These have stem-cell capability. In vivo, they... 98 KB (11,518 words) - 20:31, 7 April 2024 |
Chimera (genetics) (redirect from Chimera (plant)) Tam, P.L.; Rossant, J. (2003). "Mouse embryonic chimeras: tools for studying mammalian development". Development. 130 (25): 6155–6163. doi:10.1242/dev... 56 KB (6,482 words) - 01:01, 16 April 2024 |
Germ cell (redirect from Embryonic germ cell) gametes, either eggs or sperm. Unlike animals, plants do not have germ cells designated in early development. Instead, germ cells can arise from somatic... 31 KB (4,039 words) - 12:42, 13 February 2024 |
Cell potency (section Native pluripotency in plants) differentiate into any embryonic cell, as well as any extraembryonic tissue cell. In contrast, pluripotent cells can only differentiate into embryonic cells. A fully... 32 KB (3,522 words) - 02:12, 22 March 2024 |
Tissue (biology) (redirect from Plant tissue) assembly of similar cells and their extracellular matrix from the same embryonic origin that together carry out a specific function. Tissues occupy a biological... 24 KB (3,023 words) - 21:39, 19 March 2024 |
controls the organized spatial distribution of cells during the embryonic development of an organism. Morphogenesis can take place also in a mature organism... 25 KB (2,724 words) - 17:43, 31 March 2024 |
Gametogenesis (section In flowering plants) oogenesis (female) However, before turning into gametogonia, the embryonic development of gametes is the same in males and females. Gametogonia are usually... 12 KB (1,396 words) - 16:39, 29 November 2023 |
Seedling (category Plant morphology) parts: the radicle (embryonic root), the hypocotyl (embryonic shoot), and the cotyledons (seed leaves). The two classes of flowering plants (angiosperms) are... 11 KB (1,384 words) - 09:15, 17 October 2023 |
Homeobox (section Plant homeobox genes) regulates large-scale anatomical features in the early stages of embryonic development. Mutations in a homeobox may change large-scale anatomical features... 42 KB (4,469 words) - 17:00, 1 April 2024 |
Sex chromosome (redirect from Plant sex chromosomes) chromosome may be present in an individual sperm. Early in female embryonic development, in cells other than egg cells, one of the X chromosomes is randomly... 30 KB (3,654 words) - 20:28, 25 December 2023 |
Dormancy (redirect from Plant dormancy) to suspend development between autumn and spring, and in mammals such as the roe deer (Capreolus capreolus, the only ungulate with embryonic diapause[citation... 21 KB (2,675 words) - 07:47, 23 March 2024 |
XY sex-determination system (section Plants) factor that determines the development of testis in mammals came from experiments carried out by Alfred Jost, who castrated embryonic rabbits in utero and noticed... 29 KB (3,396 words) - 03:47, 15 April 2024 |