矢状切片、矢状断

WordNet

a land unit equal to 1 square mile
one of several parts or pieces that fit with others to constitute a whole object; "a section of a fishing rod"; "metal sections were used below ground"; "finished the final segment of the road" (同)segment
a small class of students who are part of a larger course but are taught separately; "a graduate student taught sections for the professors lecture course" (同)discussion section
(geometry) the area created by a plane cutting through a solid (同)plane section
a self-contained part of a larger composition (written or musical); "he always turns first to the business section"; "the history of this work is discussed in the next section" (同)subdivision
a distinct region or subdivision of a territorial or political area or community or group of people; "no section of the nation is more ardent than the South"; "there are three synagogues in the Jewish section"
a division of an orchestra containing all instruments of the same class
a segment of a citrus fruit; "he ate a section of the orange"
a small army unit usually having a special function
a small team of policemen working as part of a police platoon
a very thin slice (of tissue or mineral or other substance) for examination under a microscope; "sections from the left ventricle showed diseased tissue"
located in a plane that is parallel to the central plane of the sagittal suture
any arrowworm of the genus Sagitta

PrepTutorEJDIC

〈C〉(全体を構成する個々の)『部分』,部品;(全体の中で特定の用途・機能・特徴を持った)部分,部門 / 〈C〉(内部構造を児す)断面図;切断面 / 〈U〉切断すること,(外科の)切開;〈C〉(顕微鏡などで検査する組織の)切片 / 〈C〉《米》セクション(郡区(township)の36分の1に当たる1平方マイル(640エーカー)の土地区画の広さ) / …‘を'区分(分割)する / …‘の'断面[図]を作る

Wikipedia preview

出典(authority):フリー百科事典『ウィキペディア（Wikipedia）』「2013/10/17 21:59:23」(JST)

wiki en

Sagittal plane is a vertical plane which passes from ventral (front) to dorsal (rear) dividing the body into right and left halves.^[1]

Variations[edit]

Examples include:

The terms median plane or mid-sagittal plane are sometimes used to describe the sagittal plane running through the midline. This plane cuts the body into halves (assuming bilateral symmetry),^[2] passing through midline structures such as the navel and spine. It is one of the lines defining the right upper quadrant of the human abdomen.

The term parasagittal is used to describe any plane parallel to the sagittal plane. In practice, such a section is often referred to simply as a "sagittal" view because viewing is achieved along the sagittal axis (see below). Due to the specific nature of its definition, only one true sagittal plane exists, and it corresponds to the "mid-sagittal" view. Be aware that the term "sagittal view" may be applied to any parasagittal section as well as the sagittal plane, as the parasagittal and sagittal axes are identical (parallel to the sagittal plane).
Specific named parasagittal planes include:
- The` midclavicular line crosses through the clavicle.
- Other sagittal lines/planes include the lateral sternal and parasternal.^[3]

Terminology[edit]

The term sagittal is derived from the Latin word Sagitta, meaning "arrow". An image of an arrow piercing a body and passing from front (anterior) to back (posterior) on a parabolic trajectory would be one way to demonstrate the derivation of the term. Another explanation would be the notching of the sagittal suture posteriorly by the lambdoidal suture —similar to feathers on an arrow.

Sagittal axis is the axis perpendicular to the sagittal plane, i.e., the sagittal axis is formed by the intersection of the coronal and the transversal planes.

Coronal axis or frontal axis is the axis perpendicular to the coronal plane, i.e., the one formed by the intersection of the sagittal and the transversal planes.

Extension and flexion are the movements of limbs relative to the sagittal plane.

Abduction and adduction are terms for movements of limbs relative to the coronal plane .

References[edit]

^ Mark Vella (May 2008). Anatomy for Strength and Fitness Training. New Holland Publishers. pp. 16–. ISBN 978-1-84773-153-1. Retrieved 4 January 2013.
^ "Median plane" at Dorland's Medical Dictionary
^ Yokochi, Chihiro; Rohen, Johannes W.. Color Atlas of Anatomy: A Photographic Study of the Human Body. Hagerstown, MD: Lippincott Williams & Wilkins. pp. 2006. 217 p. ISBN 0-7817-9013-1.

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