- head fold
- a crescentic, ventral fold of the embryonic disc at the future head end of the embryo.
Medical dictionary. 2011.
head fold
Look at other dictionaries:
head fold — noun : an anterior thickening of the blastoderm immediately anterior to the neural plate of an amniotic embryo from which the anterior part of the body develops … Useful english dictionary
fold — [[t]fo͟ʊld[/t]] ♦♦♦ folds, folding, folded 1) VERB If you fold something such as a piece of paper or cloth, you bend it so that one part covers another part, often pressing the edge so that it stays in place. [V n] He folded the paper carefully … English dictionary
head (Unix) — У этого термина существуют и другие значения, см. Head. head утилита в UNIX и UNIX подобных системах, выводящая первые n строк из файла, по умолчанию n равно 10: head /var/log/messages Изменить количество выводимых строк можно указав ключ n … Википедия
Head and neck cancer — ] Smokeless tobacco is an etiologic agent for oral and pharyngeal cancers. [cite journal |author=Winn D |title=Smokeless tobacco and aerodigestive tract cancers: recent research directions |journal=Adv Exp Med Biol |volume=320 |issue=… … Wikipedia
fold — 1. A ridge or margin apparently formed by the doubling back of a lamina. SYN: plica. 2. In the embryo, a transient elevation or reduplication of tissue in the form of a lamina … Medical dictionary
Scottish Fold — Infobox Catbreed name = Scottish Fold imagecaption = Scottish Fold with characteristic rounded face, large eyes, and forward folded ears. altname = nickname = country = Scotland aacestd = http://www.aaceinc.org/pages/breeds/sco.htm cfastd =… … Wikipedia
Dixon Fold railway station — Dixon Fold Location Place Clifton Area Salford Coordinates … Wikipedia
Nasolabial fold — Human face, with left nasolabial fold marked in black ellipse The nasolabial folds, commonly known as smile lines or laugh lines, are facial features. They are the two skin folds that run from each side of the nose to the corners of the mouth.… … Wikipedia
To turn the head of — Turn Turn (t[^u]rn), v. t. [imp. & p. p. {Turned}; p. pr. & vb. n. {Turning}.] [OE. turnen, tournen, OF. tourner, torner, turner, F. tourner, LL. tornare, fr. L. tornare to turn in a lathe, to rounds off, fr. tornus a lathe, Gr. ? a turner s… … The Collaborative International Dictionary of English
Vocal fold nodule — Vocal cord nodule Classification and external resources Histopathologic image of vocal fold nodule or polyp. Biopsy specimen. H E stain. ICD 10 J … Wikipedia
