hatching

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hatching

In embryology, the separation of the blastocyst from the zona pellucida.
References in periodicals archive ?
Once acquainted with their qualitative and quantitative forms, the reader is treated to the challenges of depicting terrain as Tyner takes us from the 'hairy caterpillars' and 'woolly worms' of 19th century hachure (p.
Les lignes et hachures projetees sur une scene devenue ecran, formes reduites et epurees de formes naturelles, travaillent a une expression non figurative.
Il exploite peu le systeme des hachures et se desinteresse des jeux d'ombre et de lumiere, des demi-tons et de la perspective.
20) Impressionistic in their disposition, ungoverned by any numerical framework, Dunn's hachures produce the illusion of three-dimensional form in three competing views: profile for the highest peaks, high oblique (or bird's eye) for the middle range, and plan for the lowest peaks.
At a further remove there are the squalid block of flats, Flamingo Court down in Umbilo Road, where Halley's maternal Granny Margery lives, and also the area "back of the Berea Ridge, the maze of lanes behind Entabeni Hospital" (40) where her paternal grandmother Nana's much younger sister, Aunty Elda, and her husband Byron have a house, and where the narrative mapping more explicitly foregrounds the language of cartography: "Always, although she doesn't have the word, Halley pictures this space using hachures, the contour lines on a map showing the steepness of a hill.
Sur ces cartes, l'interpenetration des deux echelles a ete realisee par une superposition cartographique ou le type de regions est represente par des hachures plus ou moins serrees alors que le type de localite est represente par differentes teintes de grise.
pres du genou droit, l'observateur attentif eut remarque sur le fond grisatre de l'etoffe un travail regulier de hachures d'un ton plus vigoureux, qui temoignait chez le savant de l'habitude d'essuyer sa plume trop chargee d'encre sur cette partie de son vetement.