The apical ectodermal ridge (AER) is a structure that forms from the ectodermal cells at the distal end of each limb bud and acts as a major signaling...
25 KB (3,322 words) - 04:08, 11 April 2024
different genes, signals, and a unique region of ectoderm called the apical ectodermal ridge (AER). Research by Saunders and Gasseling in 1948 identified the...
15 KB (2,078 words) - 01:03, 24 November 2022
be a result of a wedge-shaped defect of the apical ectoderm of the limb bud (AER: apical ectodermal ridge). Polydactyly, syndactyly and cleft hand can...
29 KB (3,025 words) - 12:02, 28 July 2024
between specialized ectodermal cells and the underlying mesoderm. Epithelial-mesenchymal interactions between the apical ectodermal ridge (AER) and the underlying...
21 KB (2,617 words) - 01:17, 6 July 2024
anemia and TAR syndrome.Other possible causes are an injury to the apical ectodermal ridge during upper limb development, intrauterine compression, or maternal...
11 KB (1,457 words) - 02:42, 24 November 2023
develop. Saunders researched the vertebrate limb and studied the apical ectodermal ridge (AER). This research was critical in recognizing growth factors...
24 KB (3,334 words) - 15:30, 24 August 2024
and positive feedback retention of two signaling regions: the apical ectodermal ridge (AER) and the zone of polarizing activity (ZPA) with the mesenchymal...
24 KB (2,940 words) - 22:31, 13 January 2024
lacrimal gland, tarsal glands, and the conjunctiva of the eye The apical ectodermal ridge, which induces the development of the limb buds of the embryo List...
2 KB (207 words) - 16:54, 8 May 2024
Poland syndrome. Abnormality of an embryonic structure called the apical ectodermal ridge, which helps direct early limb development, may also be involved...
22 KB (2,229 words) - 08:50, 17 August 2024
eventually becomes an apical ectodermal cap (AEC) that forms on the tip of the stump. This is similar to the embryonic apical ectodermal ridge, which forms during...
16 KB (1,692 words) - 07:51, 20 May 2024