external matrix |
The substance occupying the space between the inner and outer membrane of any organelle (e.g., mitochondria) with a double membrane. (05 Mar 2000) |
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external maxillary artery |
<anatomy, artery> Origin, external carotid; branches, ascending palatine, tonsillar and glandular branches, submental, inferior labial, superior labial, masseteric, buccal, lateral nasal branches, and angular. Synonym: arteria facialis, arteria maxillaris externa, external maxillary artery. (05 Mar 2000) |
external maxillary plexus |
An autonomic plexus on the facial artery derived from the external carotid plexus; it sends a branch to the submandibular ganglion. Synonym: external maxillary plexus, plexus maxillaris externus. (05 Mar 2000) |
external medium |
The medium or fluid in which a disperse is suspended. Synonym: continuous phase, dispersion medium, dispersion phase, external medium. (05 Mar 2000) |
external meningitis |
Inflammation of the outer surface of the dura mater. Synonym: epidural meningitis, external meningitis. (05 Mar 2000) |
external naris |
1. <anatomy> One of the external openings of the nose, which give passage to the air breathed and to secretions from the nose and eyes; one of the anterior nares. In sperm whales, porpoises, and allied animals, there is only one nostril, which is situated on the top of the head and called a spiracle. 2. Perception; insight; acuteness. "Methinks a man Of your sagacity and clear nostril should Have made another choice." (B. Jonson) Origin: OE. Nosethril, nosethirl, AS. Nospyrl; nos for nosu nose + pyrel opening, hole, from pyrel pierced, for pyrhel, fr. Purh through. See Nose, and Through, and cf. Thrill. Source: Websters Dictionary (01 Mar 1998) |
external nasal branches |
Branches to external aspect of nose. The external nasal branches of 1) infraorbital nerve, rami nasales externii nervi infraorbitalis, 2) nasociliary nerve, rami nasales externi nervi ethmoidalis anterioris. Synonym: rami nasales externi. (05 Mar 2000) |
external nasal veins |
Several vessels that drain the external nose, emptying into the angular or facial vein. Synonym: venae nasales externae. (05 Mar 2000) |
external nose |
The visible portion of the nose which forms a prominent feature of the face; it consists of a root, dorsum and apex from above downward and is perforated inferiorly by two nostrils separated by a septum. Synonym: nasus externus, nasus. (05 Mar 2000) |
external nuclear layer of retina |
The outermost layer of the cerebral layer of retina, composed of the primary receptor cells of the retina; the stratum consists of two sublayers: 1) an external layer made up of the rods and cones, the photosensitive processes of the receptor cells, and 2) the external nuclear layer containing the cell bodies of these cells; the external limiting membrane forms a perforated supporting plate between the two sublayers; the name refers to the fact that the retinal receptor cells are a specialised form of (epithelial) ependyma cell and thus, in a sense, are comparable to the neuroepithelial cells (e.g., hair cells) of other sense organs. Synonym: external nuclear layer of retina, stratum neuroepitheliale retinae, stratum nucleare externum retinae. (05 Mar 2000) |
external oblique |
<anatomy, muscle> Origin, fifth to twelfth ribs; insertion, anterior half of lateral lip of iliac crest, inguinal ligament, and anterior layer of the rectus sheath; action, diminishes capacity of abdomen, draws thorax downward; nerve supply, thoracoabdominal nerves. Synonym: musculus obliquus externus abdominis, abdominal external oblique muscle. (05 Mar 2000) |
external oblique reflex |
Contraction of the external oblique and rectus abdominis muscles upon tapping the anterior and outer part of the lower thoracic wall. (05 Mar 2000) |
external oblique ridge |
A horizontal bony crest on the external surface of the body of the mandible, inferior to the alveolar bone, marking the site of attachment of the buccinator muscle. (05 Mar 2000) |
external obturator muscle |
<anatomy, muscle> Origin, lower half of margin of obturator foramen and adjacent part of external surface of obturator membrane; insertion, trochanteric fossa of greater trochanter; action, rotates thigh laterally; nerve supply, obturator. Synonym: musculus obturator externus, external obturator muscle. (05 Mar 2000) |
external occipital crest |
A ridge extending from the external occipital protuberance to the border of the foramen magnum. Synonym: crista occipitalis externa, linea nuchae mediana. (05 Mar 2000) |
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extern
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a nonresident doctor or medical student; connected with a hospital but not living there
출처: wordnet.princeton.edu/perl/webwn
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external
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happening or arising or located outside or beyond some limits or especially surface; "the external auditory canal"; "external pressures" coming from the outside; "extraneous light in the camera spoiled the photograph"; "relying upon an extraneous income"; "disdaining outside pressure groups" from or between other countries; "external commerce"; "international trade"; "developing nations need outside help" outward features; "he enjoyed the solemn externals of religion" purely outward or superficial; "external composure"; "an external concern for reputation"- A.R.Gurney,Jr.
출처: wordnet.princeton.edu/perl/webwn
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extrusion
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bulge: something that bulges out or is protuberant or projects from its surroundings; "the gun in his pocket made an obvious bulge"; "the hump of a camel"; "he stood on the rocky prominence"; "the occipital protuberance was well developed"; "the bony excrescence between its horns" squeezing out by applying pressure; "an unexpected extrusion of toothpaste from the bottom of the tube"; "the expulsion of pus from the pimple"
출처: wordnet.princeton.edu/perl/webwn
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external auditory canal
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auditory meatus: either of the passages in the outer ear from the auricle to the tympanic membrane
출처: wordnet.princeton.edu/perl/webwn
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external carotid artery
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the branch of the carotid artery that supplies blood to the face and tongue and external parts of the head
출처: wordnet.princeton.edu/perl/webwn
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