| posterior cutaneous nerve of arm | <anatomy, nerve> A branch of the radial nerve supplying the skin of the posterior surface of the arm. Synonym: nervus cutaneus brachii posterior, posterior cutaneous nerve of arm. (05 Mar 2000) |
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| posterior region of arm | The back of arm. Synonym: facies brachialis posterior, regio brachialis posterior, posterior brachial region, posterior surface of arm. (05 Mar 2000) |
| posterior surface of arm | The back of arm. Synonym: facies brachialis posterior, regio brachialis posterior, posterior brachial region, posterior surface of arm. (05 Mar 2000) |
| stabilizing circumferential clasp arm | An arm that is relatively rigid and embraces the height of contour of the tooth. (05 Mar 2000) |
| deep fascia of arm | The deep fascia of the arm; it is continuous proximally with the pectoral fascia and the fascia covering the deltoid; distally it is continuous with the antebrachial fascia. Synonym: fascia brachii, deep fascia of arm. (05 Mar 2000) |
| dynein arm | A structure extending clockwise from one tubule of each of the 9 doublet microtubules toward the adjacent doublet seen in the axoneme of cilia or flagella (including human sperm tails); congenital absence of dynein, reflected structurally by absence of dynein arm's, can account for symptoms seen in Kartagener's syndrome and in immotile cilia syndromes. (05 Mar 2000) |
| q arm | <cell biology> The long arm of a chromosome. All human chromosomes have 2 arms: the short (p) arm and the long (q) arms. (12 Dec 1998) |
| triceps muscle of arm | <anatomy, muscle> Origin, long or scapular head: lateral border of scapula below glenoid fossa, lateral head: lateral and posterior surface of humerus below greater tubercle, medial head: posterior surface of humerus below radial groove; insertion, olecranon of ulna; action, extends elbow; nerve supply, radial. Synonym: musculus triceps brachii, triceps muscle of arm. (05 Mar 2000) |
| lateral surface of arm | The lateral surface of the arm. Synonym: facies lateralis brachii. (05 Mar 2000) |
| lower lateral cutaneous nerve of arm | <anatomy, nerve> A branch of the radial nerve supplying the skin of the lower lateral aspect of the arm; it frequently is a branch of the posterior antebrachial nerve. Synonym: nervus cutaneus brachii lateralis inferior, lower lateral cutaneous nerve of arm. (05 Mar 2000) |
| biopsy, open lung | <investigation, procedure, surgery> A procedure which involves the removal of a small specimen of lung tissue for microscopic analysis via a surgical incision in the chest wall. This test can be used to identify a variety of lung cancers, lung infections and lung diseases. (21 Mar 1998) |
| reading frame, open | An open reading frame in DNA has no termination codon, no signal to stop reading the nucleotide sequence, and so may be translated into protein. (12 Dec 1998) |
| glaucoma, open-angle | Glaucoma in which the angle of the anterior chamber is open and the trabecular meshwork does not encroach on the base of the iris. (12 Dec 1998) |
| semi-open anaesthesia | <anaesthetics> Inhalation anaesthesia in which a portion of inhaled gases is derived from an anaesthesia circuit while the remainder consists of room air. (05 Mar 2000) |
| open | Open or unobstructed space; clear land, without trees or obstructions; open ocean; open water. "To sail into the open." "Then we got into the open." (W. Black) In open, in full view; without concealment; openly. 1. Free of access; not shut up; not closed; affording unobstructed ingress or egress; not impeding or preventing passage; not locked up or covered over; applied to passageways; as, an open door, window, road, etc.; also, to inclosed structures or objects; as, open houses, boxes, baskets, bottles, etc.; also, to means of communication or approach by water or land; as, an open harbor or roadstead. "Through the gate, Wide open and unquarded, Satan passed." (Milton) Also, figuratively, used of the ways of communication of the mind, as by the senses; ready to hear, see, etc.; as, to keep one's eyes and ears open. "His ears are open unto their cry." (Ps. Xxxiv. 15) 2. Free to be used, enjoyed, visited, or the like; not private; public; unrestricted in use; as, an open library, museum, court, or other assembly; liable to the approach, trespass, or attack of any one; unprotected; exposed. "If Demetrius . . . Have a matter against any man, the law is open and there are deputies." (Acts xix. 33) "The service that I truly did his life, Hath left me open to all injuries." (Shak) 3. Free or cleared of obstruction to progress or to view; accessible; as, an open tract; the open sea. 4. Not drawn together, closed, or contracted; extended; expanded; as, an open hand; open arms; an open flower; an open prospect. "Each, with open arms, embraced her chosen knight." (Dryden) 5. Hence: Without reserve or false pretense; sincere; characterised by sincerity; unfeigned; frank; also, generous; liberal; bounteous; applied to personal appearance, or character, and to the expression of thought and feeling, etc. "With aspect open, shall erect his head." (Pope) "The Moor is of a free and open nature." (Shak) "The French are always open, familiar, and talkative." (Addison) Not concealed or secret; not hidden or disguised; exposed to view or to knowledge; revealed; apparent; as, open schemes or plans; open shame or guilt. "His thefts are too open." (Shak) "That I may find him, and with secret gaze Or open admiration him behold." (Milton) 6. Not of a quality to prevent communication, as by closing water ways, blocking roads, etc.; hence, not frosty or inclement; mild; used of the weather or the climate; as, an open season; an open winter. 7. Not settled or adjusted; not decided or determined; not closed or withdrawn from consideration; as, an open account; an open question; to keep an offer or opportunity open. 8. Free; disengaged; unappropriated; as, to keep a day open for any purpose; to be open for an engagement. 9. Uttered with a relatively wide opening of the articulating organs; said of vowels; as, the an far is open as compared with the a in say. Uttered, as a consonant, with the oral passage simply narrowed without closure, as in uttering s. 10. Not closed or stopped with the finger; said of the string of an instrument, as of a violin, when it is allowed to vibrate throughout its whole length. Produced by an open string; as, an open tone. The open air, the air out of doors. Open chain. <chemistry> See Closed chain, under Chain. <physics> Open circuit, a roof of which the constructional parts, together with the under side of the covering, or its lining, are treated ornamentally, and left to form the ceiling of an apartment below, as in a church, a public hall, and the like. Open vowel or consonant. See Open. Open is used in many compounds, most of which are self-explaining; as, open-breasted, open-minded. Synonym: Unclosed, uncovered, unprotected, exposed, plain, apparent, obvious, evident, public, unreserved, frank, sincere, undissembling, artless. See Candid, and Ingenuous. Origin: AS. Open; akin to D. Open, OS. Opan, G. Offan, Icel. Opinn, Sw. Oppen, Dan. Aaben, and perh. To E. Up. Cf. Up, and Ope. Source: Websters Dictionary (01 Mar 1998) |