apex


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apex

 [a´peks] (pl. apexes, a´pices) (L.)
the pointed end of a cone-shaped part. adj., adj ap´ical.
apex of lung the rounded upper extremity of either lung.
root apex the terminal end of the root of the tooth.

a·pex

, gen.

ap·i·cis

, pl.

ap·i·ces

(ā'peks, ap'i-sis, ap'i-sēs), [TA]
The extremity of a conic or pyramidal structure, such as the heart or the lung.
[L. summit or tip]

apex

(a´peks) pl. apexes, a´pices   [L.] tip; the pointed end of a conical part; the top of a body, organ, or part.ap´ical
apex of lung  the rounded upper extremity of either lung.
root apex  the terminal end of the root of the tooth.

apex

[ā′peks] pl. apices
Etymology: L, tip
1 the top, the end, the summit, or the extremity of a structure, such as the apex cordis or the apices of the teeth. apical, adj.
2 pertaining to the end of the root of a tooth.

apex

Any tip of a pyramidal or rounded structure. Tip is widely preferred for external structures (e.g., tip of nose, tip of tongue); apex is more commonly used for internal structures, as in the apex of the lung (the superior-most part of the lung), the heart (the heart formed by the left ventricle, its inferior-most portion) and teeth (the tip of a tooth root).

apex

Latin, summit Any tip of a pyramidal or rounded structure Lung The superior-most part of the lung Heart The heart formed by the left ventricle-its inferior-most portion Teeth The tip of a tooth root

a·pex

, pl. apices (ā'peks, -i-sēz) [TA]
The extremity of a conic or pyramidal structure, such as the heart or the lung.
[L. summit or tip]

apex

The tip of an organ with a pointed end. The apex of the heart is at the lower left side and the apex of the lung is at the top. The tooth apex is at the tip of each root.

a·pex

, pl. apices (ā'peks, -i-sēz) [TA]
The extremity of a conic or pyramidal structure.
[L. summit or tip]

apex,

n 1. the pointed end of a conical structure.
2. the end of the root.
apex blunderbuss,
n an open or everted apex of a tooth, resembling the divergent form of the barrel of a blunderbuss rifle.

apex

pl. apices [L.] the pointed end of a cone-shaped part.
See also apical.

apex beat
see cardiac impulse.
cardiac apex
lies above the last sternebra and close to the sternal part of the diaphragm.
constricted apex
an apical foramen of a tooth is smaller than the adjacent root canal.
dilated apex
an apical foramen of a tooth is wider than the adjacent root canal.
nasal apex
the dorsal crescent of the snout of the pig.
tooth apex
end of a tooth root.
References in periodicals archive ?
Products & Services Listing: Apex Oil Company, Inc.
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Karen brings to APEX Analytix a wealth of experience and a proven track record in software and services organizations," said Michael Lustig, CEO of APEX Analytix.
The ergonomic design of the APEX enables the screener to be maintained by just one person, as all operator lifted components on the APEX weigh less than 40 pounds.
Our Apex team provides a non-shuttle-based, end-to-end space access service that is an extension of the customer-responsive SPACEHAB service proven successful over the previous decade on numerous space shuttle and space station missions," stated Michael E.
Apex Software has been challenged by the lead time it takes CAMA developers to provide integration capabilities for their users.
Softscape Apex 2006 addresses these challenges through a holistic approach across the full employee life cycle to manage both strategic and tactical functions from a single integrated platform.
TSX VENTURE:APE) is pleased to announce that it has commenced a 4,000m diamond drilling program at the Pulacayo-Paca silver-zinc-lead project, a joint venture with Apex Silver Mines Limited (AMEX:SIL)(See Press Release September 12, 2005).