What's the difference between retractor and surgical?
Retractor
Definition:
(n.) A bandage to protect the soft parts from injury by the saw during amputation.
(n.) One who, or that which, retracts.
(n.) In breech-loading firearms, a device for withdrawing a cartridge shell from the barrel.
(n.) An instrument for holding apart the edges of a wound during amputation.
(n.) A muscle serving to draw in any organ or part. See Illust. under Phylactolaemata.
Example Sentences:
(1) Tension and intracellular free calcium concentration [( Ca2+]i) were measured simultaneously in single smooth muscle cells isolated from the anterior byssus retractor muscle (ABRM) of Mytilus edulis that were loaded with the fluorescent Ca2+ indicator fura-2.
(2) We present a computer-aided videodensitometric method for the determination of oxygen saturation in red blood cells flowing through capillaries of the hamster cheek pouch retractor muscle.
(3) New structures reported are mesoboscis retractor muscles, the formation of 3 ligament strands from the proboscis retractor muscles, a teloboscis inflator muscle, and conduit through the protrusor muscle sheath.
(4) We developed a new micro-iris retractor to achieve temporary intraoperative pupillary mydriasis in selected eyes undergoing pars plana vitreous surgery.
(5) These experiments demonstrated that accessory abducens is a primary controller of eye retraction through its axons to retractor bulbi.
(6) Inhibitory factor (IF), an extract of the bovine retractor penis muscle, when treated with acid, becomes a vasodilator with properties similar to endothelium-derived relaxing factor (EDRF).
(7) In our opinion, brachial plexus lesions following median sternotomy in cardiac surgery depend on the extent of sternal spread and the height of placement of the retractor in dependence of the rigidity of the rib cage.
(8) Weintraub and Aronson's (1962) formal measures of defensive language were used: nonpersonal references, negators, qualifiers, retractors, explaining expressions of feeling, and evaluators.
(9) Intracellular and extracellular electrodes were used to study spontaneous and impulse-linked release of transmitter at locust retractor unguis nerve-muscle synapses.2.
(10) 5: 423-429, 1973), appears to restrict blood flow by placing unnatural tension on the retractor muscle and by requiring an incision in the tip of the pouch.
(11) During each scratch cycle, the monoarticular knee extensor muscle is active when the limb rubs against the stimulated site, and there is rhythmic alternation between hip protractor and hip retractor muscle activity (Robertson et al., 1985).
(12) The pharyngeal retractor muscle of Helix lucorum is innervated by two symmetrical nerves which contain axons of two types forming myoneural junctions with the muscle cells.
(13) Interneurons are demonstrated in which membrane potential oscillations mirror the leg position or show correlation with the motoneuronal activity of the protractor and retractor coxae muscles during walking.
(14) The basis for this migration is postulated to be the anatomical relationships of the tarsus, postorbicular fascia, and lower eyelid retractors.
(15) Characteristics of the surgical techniques include 1) taking a transsylvian route; 2) retracting the M1 portion of the middle cerebral artery (occasionally the C1 portion of the internal carotid) medially with tapered brain retractors; and 3) approaching the aneurysm through and between perforators arising from the posterior cerebral artery in cases of high-placed basilar bifurcation.
(16) By quantitative sodium dodecyl sulfate-polyacrylamide gel electrophoresis, paramyosin:myosin heavy chain molecular ratios were calculated for three molluscan muscles:Aequipecten striated adductor, Mercenaria opaque adductor, and Mytilus anterior byssus retractor; and four arthropodan muscles:Limulus telson, Homarus slow claw.
(17) The stress that generated a remaining strain of 1 mm was about 80% of the maximum stress of the fixed flexible arm, and was a suitable indicator of the ability of a retractor under load.
(18) Medial entropion in this setting often coexists with lower eyelid retraction, and if a "spacer" of sclera or ear cartilage is to be inserted into the lower eyelid, it should be carried into the medialmost portion of the eyelid to recess the posterior lamellae, including the medial retractors, and allow the eyelid margin to return to its normal anatomic position.
(19) Effects of 5-hydroxytryptamine (5-HT) and forskolin on intracellular free calcium concentration [( Ca2+]i) were studied in suspensions of fura-2 loaded smooth-muscle cells from the anterior byssus retractor 'catch' muscle of Mytilus edulis.
(20) The relaxing effect of SKF 38393 on the catch contraction in the anterior byssus retractor muscle (ABRM) of Mytilus and the effect of SKF 38393 on the cyclic AMP (cAMP) levels in the ABRM were investigated.
Surgical
Definition:
(a.) Of or pertaining to surgeons or surgery; done by means of surgery; used in surgery; as, a surgical operation; surgical instruments.
Example Sentences:
(1) A report is presented of 6 surgically-treated cases of recurrent cervical carcinoma.
(2) The Cavitron Ultrasonic Surgical Aspirator (CUSA) is a dissecting system that removes tissue by vibration, irrigation and suction; fluid and particulate matter from tumors are aspirated and subsquently deposited in a canister.
(3) However it is important to recognize these cysts so that correct surgical management is offered to the patient.
(4) All the women had vaginal ultrasound velocimetry studies in both mainstem uterine arteries through the parametrium before the surgical procedure and again after the procedure.
(5) Surgical repair of the rheumatologic should however, is performed rarely, and should be reserved for the infrequent cases that do not respond to medical therapy.
(6) In 1 of the 3, anterior capsular detachment was also demonstrated radiographically and confirmed surgically.
(7) These authors, therefore, conclude that this modified surgical approach is a viable alternative to the previously described procedures for resistant metatarsus adductus.
(8) Cor triatriatum (CT) is a rare congenital defect, surgically correctable, and sometimes difficult to diagnose by cardiac catheterization.
(9) Differentiation between these two types of lesions is of utmost importance since the surgical approach will be different.
(10) Our experience indicates that lateral rhinotomy is a safe, repeatable and cosmetically sound procedure that provides and excellent surgical approach to the nasal cavity and sinuses.
(11) Compared with conservative management, better long-term success (determined by return of athletic soundness and less evidence of degenerative joint disease) was achieved with surgical curettage of elbow subchondral cystic lesions.
(12) We reviewed our 5-year surgical experience with undescended testes in 295 patients.
(13) Nine of the 12 long-term survivors showed lymph node metastasis and six of the 12 revealed cancer cells at the surgical margins.
(14) He also deals with the incidence, conservative and surgical treatment of osteo-arthrosis in old age and with the possibilities of its prevention.
(15) The successful treatment of the painful neuroma remains an elusive surgical goal.
(16) Wilder Penfield's development of surgical methods for treating focal cerebral seizures, beginning with his early work in Montreal in 1928, is reviewed.
(17) Surgical removal was avoided without complications by detaching it with a ring stripper.
(18) A new surgical procedure for idiopathic priapism has been used successfully in patients.
(19) Schistosomal obstructive uropathy was studied by clinical, laboratory epidemiologic and pathologic analysis in 155 Egyptian patients treated surgically.
(20) Renal arteriography is therefore alone capable of answering two primordial questions: "Must surgery be undertaken and when operating, what surgical tactics to adopt".