WordNet

the supreme headquarters that advises NATO on military matters and oversees all aspects of the Allied Command Europe (同)SHAPE
to go or travel towards; "where is she heading"; "We were headed for the mountains"
the length or height based on the size of a human or animal head; "he is two heads taller than his little sister"; "his horse won by a head"
the pressure exerted by a fluid; "a head of steam"
the tip of an abscess (where the pus accumulates)
(nautical) a toilet on board a boat or ship
(usually plural) the obverse side of a coin that usually bears the representation of a persons head; "call heads or tails!"
a projection out from one end; "the head of the nail", "a pinhead is the head of a pin"
a single domestic animal; "200 head of cattle"
the striking part of a tool; "the head of the hammer"
the upper part of the human body or the front part of the body in animals; contains the face and brains; "he stuck his head out the window" (同)caput
a person who is in charge; "the head of the whole operation" (同)chief, top_dog
(grammar) the word in a grammatical constituent that plays the same grammatical role as the whole constituent (同)head word
a rounded compact mass; "the head of a comet"
a user of (usually soft) drugs; "the office was full of secret heads"
an individual person; "tickets are $5 per head"
that part of a skeletal muscle that is away from the bone that it moves
the foam or froth that accumulates at the top when you pour an effervescent liquid into a container; "the beer had a large head of foam"
the front of a military formation or procession; "the head of the column advanced boldly"; "they were at the head of the attack"
the rounded end of a bone that fits into a rounded cavity in another bone to form a joint; "the head of the humerus"
the top of something; "the head of the stairs"; "the head of the page"; "the head of the list"
be the first or leading member of (a group) and excel; "This student heads the class" (同)head up
be in charge of; "Who is heading this project?" (同)lead
be in the front of or on top of; "The list was headed by the name of the president"
form a head or come or grow to a head; "The wheat headed early this year"
remove the head of; "head the fish"
take its rise; "These rivers head from a mountain range in the Himalayas"

PrepTutorEJDIC

(顔を含めた)『頭』,頭部,首;(髪の生えている部分の)頭 / 『頭脳』,頭の働き,知力,才能;理性 / 『長』,指導者,支配者 / (ある物の)頭,上部,先端,先頭 / (川・泉の)源,水源 / (人・動物の)頭数,一人,1頭 / 『首席』,首位 / 《複数形で》(頭像のある)貨幣の表 / 項目,表題(新聞の)見出し / 《米俗》マリファナ常用者 / 長の,指導者の / …‘の'先頭に立つ,‘を'率いる;…‘の'長である / (…の方へ)…‘を'向ける《+『名』+『for』(『toward』)+『名』》 / (サッカーで)〈ボール〉‘を'頭で受ける,ヘディングする / (…に向かって)進む《+for(toward)+名》・「give a head」で「オーラルセックスをする・相手の性器をなめる」
heliumの化学記号

Wikipedia preview

出典(authority):フリー百科事典『ウィキペディア（Wikipedia）』「2015/03/20 14:12:13」(JST)

wiki ja

[Wiki ja表示]

「Head」のその他の用法については「ヘッド」をご覧ください。

head（ヘッド）はUNIXおよびUNIX系のシステムでテキストファイルやパイプ上のデータの冒頭から数行を表示するプログラムである。コマンドの文法は以下の通り。

head [options] <file_name>

デフォルトでは、head は入力の先頭10行を標準出力に表示する。表示すべき行数はコマンド行オプションで変更できる。以下の例では filename の先頭20行を表示する。

head -n 20 filename

次は、名前が foo* で始まる全てのファイルの先頭5行を表示する。

head -n 5 foo*

外部リンク

head (1) JM Project マニュアル
FreeBSD documentation for head（英語）
head(1) man page（SunOS リファレンスマニュアル）
head(1) man page（HP-UX リファレンス）

wiki en

[Wiki en表示]

Study on the proportions of head and eyes by Leonardo da Vinci

A head is the cephalic part of an organism, which usually comprises the eyes, ears, nose and mouth, each of which aid in various sensory functions, such as sight, hearing, smell, and taste. Some very simple animals may not have a head, but many bilaterally symmetric forms do. Heads develop in animals by an evolutionary trend known as cephalization. In bilaterally symmetrical animals, nerve tissues concentrate at the anterior region, forming structures responsible for information processing. Through biological evolution, sense organs and feeding structures also concentrate into the interior region; these collectively form the head.

Arthropods

Insects

A typical insect head possesses a pair of antennae; eyes; mandibles, labrum, maxillae and labium (the latter four forming the cluster of "mouth parts"). Lying above the oesophagus is the brain or supraesophageal ganglion, divided into three pairs of ganglia: the protocerebrum, deutocerebrum and tritocerebrum from front to back.

Vertebrates

Versus invertebrate chordates

Though invertebrate chordates such as the lancelet have heads, there has been a question of how the vertebrate head, characterized by a bony skull clearly separated from the main body, might have evolved from the head structures of these animals.^[1] In 2014, a transient larval tissue of the lancelet was found to be virtually indistinguishable from the neural crest-derived cartilage which forms the vertebrate skull, suggesting that persistence of this tissue and expansion into the entire head space could be a viable evolutionary route to formation of the vertebrate head.^[1]

Human head

In human anatomy, the head is the uppermost portion of the human body. It includes (from superficial to deep) the scalp and face, the skull, the sinuses and the brain.

Use in heraldry

Both human and animal heads frequently occur as immobile charges in heraldry. The blazon, or heraldic description, usually states whether an animal's head is couped (as if cut off cleanly at the neck), erased (as if forcibly ripped from the body), or cabossed (turned affronté without any of the neck showing). Human heads are often described in much greater detail, though some of these are identified by name with little or no further description.

Gallery

Mid-sagittal section of a human skull, by Leonardo da Vinci, c. 1489
Transection of a human head, by Thomas Bartholin, 1673
Nerves of the human head, from Gray's Anatomy, 1858
Muscles of a horse's head, from Traité d'anatomie comparée des animaux domestiques by Auguste Chauveau, 1890
Head of St. John the Baptist by Andrea Vaccaro, oil on canvas, 17th century
Sculpture of the beheaded Sainte Solange, patron saint of the French province of Berry
Patron saints of Zürich, fresco, c. 1400-1425
Heraldic depiction of a bison head cabossed

References

^ ^a ^b Jandzik, D.; Garnett, A. T.; Square, T. A.; Cattell, M. V.; Yu, J. K.; Medeiros, D. M. (2014). "Evolution of the new vertebrate head by co-option of an ancient chordate skeletal tissue". Nature. doi:10.1038/nature14000. edit For laysummary see: "Evolution: How vertebrates got a head". Research. Nature (paper) 516 (7530): 171. 11 December 2014.

External links

Wikiquote has quotations related to: Head

Look up head in Wiktionary, the free dictionary.

Wikimedia Commons has media related to heads.

UpToDate Contents

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1. 幼児および小児における軽微な頭部外傷：評価 minor head trauma in infants and children evaluation
2. 新生児の評価 assessment of the newborn infant
3. 頭頚部癌の長期生存者に対するアプローチの概要 overview of approach to long term survivors of head and neck cancer
4. 頭頸部癌に対する治療の概要 overview of treatment for head and neck cancer
5. 頭頚部癌の診断および病期分類の概要 overview of the diagnosis and staging of head and neck cancer

English Journal

Phytosterols in onion contribute to a sensation of lingering of aroma, a koku attribute.

Nishimura T1, Egusa AS2, Nagao A2, Odahara T3, Sugise T3, Mizoguchi N3, Nosho Y3.
Food chemistry.Food Chem.2016 Feb 1;192:724-8. doi: 10.1016/j.foodchem.2015.06.075. Epub 2015 Jun 23.
We aimed to examine the substance in a precipitate of heat-treated onion concentrate (HOC) that contributes to a sensation of lingering of aroma, a koku attribute induced by the sensing of richness and persistence in terms of taste, aroma and texture. Adding precipitate, separated from HOC, to conso
PMID 26304403

Quantification of applied dose in irradiated citrus fruits by DNA Comet Assay together with image analysis.

Cetinkaya N1, Ercin D2, Özvatan S2, Erel Y2.
Food chemistry.Food Chem.2016 Feb 1;192:370-3. doi: 10.1016/j.foodchem.2015.07.027. Epub 2015 Jul 8.
The experiments were conducted for quantification of applied dose for quarantine control in irradiated citrus fruits. Citrus fruits exposed to doses of 0.1 to 1.5kGy and analyzed by DNA Comet Assay. Observed comets were evaluated by image analysis. The tail length, tail moment and tail DNA% of comet
PMID 26304361

Proposed criterion for distinguishing ABO mosaics from ABO chimeras using flow cytometric analysis.

Oda A1, Matsuyama N2, Hirashima M2, Ishii H3, Kimura K3, Matsukura H4, Hirayama F5, Kawa K6, Fukumori Y7.
Immunohematology / American Red Cross.Immunohematology.2016 Jan;31(1):24-8.
PMID 26308467

Japanese Journal

西園寺家の元服：『竹むきが記』「同十二月七日、元服の事あり」考

五條小枝子
県立広島大学人間文化学部紀要 10, 81(1)-92(12), 20150228-00-00
… Then Meishi devoted herself to moving to the Saionji principal residence and to bringing up Sanetoshi, her and late Kinmune's son, into the head of the Saionji Family. … So the ceremony had to be appropriately performed as that for the head of the family according to the ancient practices of the Saionji Family. …
NAID 120005618667

HYDRAULIC CONDUCTIVITY IN LOESSIC STABILIZED SOIL

Alercia Biga Carolina,Arrua Pedro,Eberhardt Marcelo [他]
International journal of GEOMATE : geotechnique, construction materials and environment 9(1・2), 1510-1514, 2015-09
NAID 40020537573

Cell depth imaging by point laser scanning fluorescence microscopy with an optical disk pickup head

Tsai Rung-Ywan,Chen Jung-Po,Lee Yuan-Chin,Chiang Hung-Chih,Cheng Chih-Ming,Huang Chun-Chieh,Huang Tai-Ting,Cheng Chung-Ta,Tiao Golden
Jpn. J. Appl. Phys. 54(9S), 09MD01, 2015-07-29
… A compact, cost-effective, and position-addressable digital laser scanning microscopy (DLSM) instrument is made using a commercially available Blu-ray disc read-only memory (BD-ROM) pickup head. …
NAID 150000111222

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