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an axial strand of cells in the embryo extending forward from the primitive node; called also notochordal plate.Medical dictionary. 2011.
head process — noun : an axial strand of cells that extends forward from the primitive knot in the early vertebrate embryo and is the precursor of the notochord … Useful english dictionary
Head First (book series) — Head First is a series of books on computer programming, created by Bert Bates and Kathy Sierra. The series, which began with Head First Java in 2003, takes an unorthodox, visually intensive approach to the process of teaching programming. Head… … Wikipedia
Head and neck anatomy — focuses on the structures of the head and neck of the human body, including the brain, bones, muscles, blood vessels, nerves, glands, nose, mouth, teeth, tongue, and throat. It is an area frequently studied in depth by surgeons, dentists, dental… … Wikipedia
Head voice — is a term used within vocal music. The use of this term varies widely within vocal pedagogical circles and there is currently no one consistent opinion among vocal music professionals in regards to this term. Head voice can be used in relation to … Wikipedia
Head of state succession — is the process by which nations transfer leadership of their highest office from one person to another. The succession of a head of state can be brought about through various means, the most common of which include:* Death of the current Head of… … Wikipedia
Process — In anatomy, a process is a projection from a structure. The process of the mandible is the part of the lower jaw that projects forward. In a more general sense, a process is a series of actions or events that are part of a system or of a… … Medical dictionary
Process model (Australia) — A Process Model is a proposal to assist the Parliament of Australia make decisions concerning constitutional reform. In Australia, process models are devised to involve the public in republicanism.RationaleTo amend the Australian constitution, a… … Wikipedia
Head-up display — A head up display, or HUD, is any transparent display that presents data without requiring the user to look away from his or her usual viewpont. The origin of the name stems from the user being able to view information with their head up and… … Wikipedia
Head shot — This article is about the photographic technique. For the killing technique, see Sniper#Shot placement. A head shot is a photographic technique where the focus of the photograph is a person s face. Headshot is essentially the same as portrait.… … Wikipedia
Head of state — This article is about the political term. For other uses, see Head of state (disambiguation). A head of state is the individual that serves as the chief public representative of a monarchy, republic, federation, commonwealth or other kind of… … Wikipedia
