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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
Apical_ectodermal_ridge
Medical condition
between specialized ectodermal cells and the underlying mesoderm. Epithelial-mesenchymal interactions between the apical ectodermal ridge (AER) and the underlying
Ectrodactyly–ectodermal dysplasia–cleft syndrome
Ectrodactyly–ectodermal_dysplasia–cleft_syndrome
different genes, signals, and a unique region of ectoderm called the apical ectodermal ridge (AER). Research by Saunders and Gasseling in 1948 identified the
Zone_of_polarizing_activity
Malformation of the central digit(s) of the hand or foot
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
Ectrodactyly
Development of limbs in vertebrates
formation of an organizer at the end of the limb bud, called the apical ectodermal ridge (AER), which guides further development and controls cell death
Limb_development
Structure formed early in vertebrate limb development
and positive feedback retention of two signaling regions: the apical ectodermal ridge (AER) and the zone of polarizing activity (ZPA) with the mesenchymal
Limb_bud
Domesticated subspecies of red junglefowl
been made using chicken embryos, such as the discovery of the apical ectodermal ridge and the zone of polarizing activity. The chicken was the first
Chicken
Anatomical structure
ectoderm to form an important organizing structure called the apical ectodermal ridge (AER). The AER reciprocatively secretes FGF8 and FGF4 which maintains
Lateral_plate_mesoderm
Species of salamander
regenerate whole limbs in early development is the apical ectodermal ridge (AER), with the apical ectodermal cap (AEC).[clarification needed] The AER initiates
Axolotl
Moved by muscles paired appendages, which consist of different members
distal end, the differentiation of skeletal elements occurs in an apical ectodermal ridge (AER) which expands in rays. A Zone of Polarizing Activity (ZPA)
Limb_(anatomy)
Development and formation of the human embryo
parietal layer of lateral plate mesoderm. Ectodermal cells at the distal end of the buds form the apical ectodermal ridge, which creates an area of rapidly proliferating
Human_embryonic_development
vertebrates. Saunders researched the vertebrate limb and studied the apical ectodermal ridge (AER). This research was critical for identifying growth factors
John_W._Saunders_Jr.
Medical condition
anemia and TAR syndrome.Other possible causes are an injury to the apical ectodermal ridge during upper limb development, intrauterine compression, or maternal
Radial_dysplasia
Malformation of the chest muscle and fingers on one side of the body
Poland syndrome. Abnormality of an embryonic structure called the apical ectodermal ridge, which helps direct early limb development, may also be involved
Poland_syndrome
Topics referred to by the same term
endoplasmic reticulum, a cell organelle Albumin Excretion Rate, in urine Apical ectodermal ridge, critical component of vertebrate limb development Adverse effect
AER
Critical protein in embryonic development
morphogen called fibroblast growth factors must be secreted from the apical ectodermal ridge. Sonic hedgehog has also been shown to act as an axonal guidance
Sonic_hedgehog_protein
progress zone is a layer of mesodermal cells immediately beneath the apical ectodermal ridge in the developing limb bud. The fate of the mesodermal cells is
Progress_zone
Process of cell regeneration
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
Epimorphosis
Growth of bat forelimbs
involves many signaling molecules such as FGF, BMP, SHH and WNT. The apical ectodermal ridge is a structure found at the distal most tip which becomes a key
Bat_wing_development
early skeletogenesis, where nerves grow into the limb bud and the apical ectodermal ridge (AER), a structure that ensures proper limb development, appears
Evolution_of_cetaceans
British scientist
In 1969, a scientist named John Saunders established that the apical ectodermal ridge (AER)--a transparent rim along limb buds—plays an important role
Cheryll_Tickle
Protein-coding gene in the species Homo sapiens
posterior structures such as the hindgut. FGF8 is secreted by the apical ectodermal ridge (AER) at the distal end of limb buds and is essential for limb
Fibroblast_growth_factor_8
Protein family
glycosyltransferases. The gene products of radical fringe stimulate the Apical Ectodermal Ridge in limb-bud formation. The mouse and human Fringe family members
Fringe_gene
Protein-coding gene in humans
pathway and FGF signals in limb buds. These cascades establish the apical ectodermal ridge (AER) and zone of polarizing activity (ZPA)—two key signaling centers
TBX4
Embryonic division of the ectoderm
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
Surface_ectoderm
Fibroblast growth factor gene
phase by functioning as an autocrine or paracrine ligand. In the apical ectodermal ridge (AER), FGF4 plays a key role in initiating and sustaining limb
FGF4
that zone of polarizing activity (ZPA) requires maintenance of apical ectodermal ridge (AER). The dependence of ZPA on ARE indicates the linkage between
Temporal_feedback
Protein found in humans
of Medicine. Sampath TK, Coughlin JE, Whetstone RM, Banach D, Corbett C, Ridge RJ, Ozkaynak E, Oppermann H, Rueger DC (August 1990). "Bovine osteogenic
Bone_morphogenetic_protein_2
Protein-coding gene in the species Homo sapiens
patterning of the limb and has been implicated in the formation of the apical ectodermal ridge (AER). The AER is essential for the distal patterning of the limb
Beta-1,3-N-acetylglucosaminyltransferase radical fringe
Beta-1,3-N-acetylglucosaminyltransferase_radical_fringe
American biologist (1944–2026)
; Vogel A.; Booth I.; Martin G.R. (1993). "FGF-* replaces the apical ectodermal ridge and directs outgrowth and patterning of the limb". Cell. 75 (3):
Gail_R._Martin
Protein-coding gene in the species Homo sapiens
These transcription factors are Apical Ectodermal Ridge (AER) specific in limb development. The Apical Ectodermal Ridge signaling is important for specification
Sp8_transcription_factor
Mammalian protein found in Homo sapiens
associated with DLX5 include sensorineural hearing loss, mental retardation, ectodermal and craniofacial findings, and orofacial clefting. In mice, the targeted
DLX5
Protein-coding gene in the species Homo sapiens
of thigh skin of arm muscle of arm Top expressed in sclerotome Apical ectodermal ridge surface ectoderm rhombic lip thoracic vertebral column hair ventral
EN1_(gene)
Genes that affect limb and heart development
limb buds. Ultimately, TBX4 and TBX5 lead to the development of apical ectodermal ridge (AER) and zone of polarizing activity (ZPA) signaling centers in
T-box
Forelimb AER (V12d). On the distal part of the forelimb bud an apical ectodermal ridge (AER) is formed in a horizontal longitude. Often it is only visible
Standard_Event_System
Protein-coding gene in the species Homo sapiens
EI (1998). "JAGGED2: a putative Notch ligand expressed in the apical ectodermal ridge and in sites of epithelial-mesenchymal interactions". Mech. Dev
JAG2
Protein-coding gene in the species Homo sapiens
rather it is also expressed in branchial patterns and in the apical ectodermal ridge of the developing limbs. At E9.5, Emx1 expression can be witnessed
EMX1
Protein-coding gene in the species Homo sapiens
similar protein is thought to be responsible for maintaining the apical ectodermal ridge of developing limb buds; disruption of the mouse gene results in
FBXW4
Protein-coding gene in the species Homo sapiens
the distal tip of the forming limb bud with an abundance in the apical ectodermal ridge. In a knockout mouse model, mice manifest with severe limb malformations
CYP26B1
Australian biologist
; Currie, Peter D. (July 2016). "A somitic contribution to the apical ectodermal ridge is essential for fin formation". Nature. 535 (7613): 542–546. Bibcode:2016Natur
Peter_Currie_(scientist)
Protein-coding gene in humans
resulting in a bulge. Afterwards, FGF10 will induce the formation of apical ectodermal ridge (AER) where the feet and hands will be formed. Lung development
FGF10
Congenital anamoly in tetrapods
visibly from normal limb buds by their abnormally thick and long apical ectodermal ridges. Diplopodia usually delays the embryonic growth of cartilage, bone
Diplopodia
Protein-coding gene that affects limb development and heart and bone function
signals in limb buds. Ultimately, Tbx5 leads to the development of apical ectodermal ridge (AER) and zone of polarizing activity (ZPA) signaling centers in
TBX5_(gene)
American professor (born 1942)
first that BMPs bind the extracellular matrix, are present at the apical ectodermal ridge in the developing limb bud, are chemotactic for human monocytes
A._Hari_Reddi
Mammalian protein found in Homo sapiens
stellate reticulum embryo lumbar subsegment of spinal cord embryo lip Apical ectodermal ridge spermatid mandibular prominence More reference expression data
DLX4
Mammalian protein found in Homo sapiens
sperm endothelial cell Top expressed in superior frontal gyrus Apical ectodermal ridge medial ganglionic eminence lateral septal nucleus hair genital
DLX6
Small sweat-producing tubular skin structures
leading to higher concentrations of chloride in the secreted sweat. Ectodermal dysplasia can present a lack of sweat glands. Fabry disease, characterized
Sweat_gland
APICAL ECTODERMAL-RIDGE
APICAL ECTODERMAL-RIDGE
Female
Esperanto
Variant spelling of Esperanto Amika, AMICA means "friendly."
Boy/Male
Hindu
Continuous
Boy/Male
Bengali, Christian, Danish, French, German, Hebrew, Indian, Italian, Latin, Marathi
Pass over; Child of Easter
Boy/Male
Indian, Sanskrit
Immovable; Steady
Girl/Female
Indian, Punjabi, Sikh
Unyielding
Male
French
French name derived from Latin Paschalis, PASCAL means "Passover; Easter." This name was popular with early Christians, mainly given to sons born at Easter time.
Boy/Male
Arabic
Smart
Boy/Male
Spanish Greek
Grace of God.
Female
Hebrew
(×ֲבִיגַל) Unisex form of Hebrew Avigayil, AVIGAL means "father rejoices."
Boy/Male
Gujarati, Hindu, Indian, Kannada, Malayalam, Marathi, Telugu
Unmovable
Female
English
Variant spelling of English Abital, AVITAL means "my father is dew." In the bible, this is the name of one of David's wives.Â
Boy/Male
Biblical Hebrew
The father of the dew; or of the shadow.
Boy/Male
French Hebrew Italian
Born on Easter.
Female
English
Anglicized form of Hebrew Abiytal, ABITAL means "my father is dew." In the bible, this is the name of one of David's wives.Â
Girl/Female
German
Noble; Kind
Female
Slovene
Slovene pet form of Greek Hanna, ANICA means "favor; grace."
Female
English
Slovak form of English Alice, ALICA means "noble sort."
Boy/Male
Hawaiian
Gift of God; gift from God.
Male
Spanish
Portuguese and Spanish form of Phoenician Hannibal, ANIBAL means "grace of Ba'al."
Male
Welsh
Welsh form of Hebrew Miyka'el (English Michael), MEICAL means "who is like God?"Â
APICAL ECTODERMAL-RIDGE
APICAL ECTODERMAL-RIDGE
Boy/Male
Tamil
Everything you see, Feel, Smell
Surname or Lastname
English
English : habitational name from a group of villages in Somerset named with Coker, from a Celtic river name meaning ‘crooked’.
Boy/Male
Arabic, Indian, Muslim
Intelligent
Surname or Lastname
English
English : nickname from Middle English, Old French hagard ‘wild’, ‘untamed’. This word was adopted into Middle English as a technical term in falconry to denote a hawk that had been captured and trained when already fully grown, rather than being reared in captivity; the surname may have developed as a metonymic occupational name for a falconer.Americanized form of Danish Ågård (see Agard).
Boy/Male
Hindu
Biblical
a bull striking, or struck
Girl/Female
Arabic, Muslim
Beautiful and Intelligent Girl
Girl/Female
Indian
Is associated to Lord venkateswara, Goddess Parvati
Surname or Lastname
English
English : nickname from Old English corn, a metathesized form of cran ‘crane’ (see Crane).English : from Middle English corn ‘grain’, applied as a metonymic occupational name for a grain merchant or grower, or possibly a miller.English : metonymic occupational name for a maker or user of hand mills, Old English cweorn.Altered spelling of German Korn or a shortened form of any of the composite names formed with this element.
Boy/Male
Muslim/Islamic
Preacher Sermoniser
APICAL ECTODERMAL-RIDGE
APICAL ECTODERMAL-RIDGE
APICAL ECTODERMAL-RIDGE
APICAL ECTODERMAL-RIDGE
APICAL ECTODERMAL-RIDGE
n.
Of or pertaining to a place; limited; logical application; as, a topical remedy; a topical claim or privilege.
a.
Of or relating to the ectoderm.
a.
Consisting of the flesh of animals; as, animal food.
a.
Hence: Of or pertaining to the root or origin; reaching to the center, to the foundation, to the ultimate sources, to the principles, or the like; original; fundamental; thorough-going; unsparing; extreme; as, radical evils; radical reform; a radical party.
n.
Of first rate quality; excellent; as, a capital speech or song.
v. t.
The right of appeal.
a.
Alt. of Ectodermic
a.
See Capital letter, under Capital, a.
a.
Alt. of Entodermic
a.
Of or pertaining to a radix or root; as, a radical quantity; a radical sign. See below.
n.
The external skin or outer layer of an animal or plant, this being formed in an animal from the epiblast. See Illust. of Blastoderm.
a.
Of or pertaining to a spiral; like a spiral.
a.
A radical vessel. See under Radical, a.
a.
Of or relating to animals; as, animal functions.
n.
Having reference to, or involving, the forfeiture of the head or life; affecting life; punishable with death; as, capital trials; capital punishment.
n.
Money, property, or stock employed in trade, manufactures, etc.; the sum invested or lent, as distinguished from the income or interest. See Capital stock, under Capital, a.
a.
Relating to the science of optics; as, optical works.
n.
A radical quantity. See under Radical, a.
a.
Anything which has a spiral form, as a spiral shell.
pl.
of Spica