| 单词 | semilunar |
| 例句 | After blood passes through the pulmonary arteries, the right semilunar valves close preventing the blood from flowing backwards into the right ventricle. Biology for AP Courses 2022-06-09T00:00:00Z Blood is pumped from the heart, pushing open the pulmonary and aortic semilunar valves. Anatomy and Physiology 2013-06-19T00:00:00Z For determination of lunar timing differences when comparing lunar with semilunar rhythms see Supplementary Note 6. The genomic basis of circadian and circalunar timing adaptations in a midge : Nature : Nature Research 2016-11-20T05:00:00Z So they went in procession along the bright and slippery corridor, dimly lighted by the semilunar top of the window which rose above the closed shutter: it was really quite solemn. The English Novel And the Principle of its Development 2012-03-21T02:00:37.123Z Py�mic ophthalmia has been observed somewhat frequently in puerperal cases, especially when preceded by endocarditis, with deposits on the semilunar or mitral valves. A System of Practical Medicine by American Authors, Vol. I Volume 1: Pathology and General Diseases 2012-03-17T02:00:54.097Z Both the aortic and the pulmonary valves are semilunar valves. Biology for AP Courses 2022-06-09T00:00:00Z The semilunar valves close to prevent backflow into the heart. Anatomy and Physiology 2013-06-19T00:00:00Z The shape was semilunar, crescentic or approximately that of the sector of a circle. The Aboriginal Population of the San Joaquin Valley, California 2012-02-06T03:00:12.387Z The bones of the carpus are seven in number, the scaphoid and the semilunar being fused together. Artistic Anatomy of Animals 2011-12-17T03:00:16.893Z The openings of the arteries behind the semilunar valves may be very small. Arteriosclerosis and Hypertension: with Chapters on Blood Pressure, 3rd Edition. 2011-10-11T02:01:07.890Z The blow-hole is of a semilunar form, with a kind of valvular apparatus, and opens on the vertex, nearly over the eyes. The New Gresham Encyclopedia Volume 4, Part 1: Deposition to Eberswalde 2011-04-14T02:00:57.977Z When ventricular pressure rises above the pressure in the two major arteries, blood pushes open the two semilunar valves and moves into the pulmonary trunk and aorta in the ventricular ejection phase. Anatomy and Physiology 2013-06-19T00:00:00Z C, D, Aeroplanes of horizontal rudder with fixed semilunar fin E. F, Vertical rudder. Encyclopaedia Britannica, 11th Edition, Volume 10, Slice 5 "Fleury, Claude" to "Foraker" 2011-04-03T02:00:20.883Z In the superior row the scaphoid and semilunar bones are fused together. Artistic Anatomy of Animals 2011-12-17T03:00:16.893Z They are generally composed of two semilunar folds, one on each side of the vessel. A Treatise on Anatomy, Physiology, and Hygiene (Revised Edition) In man's eye is a minute membrane, the semilunar fold, which is absolutely useless in his economy. Man And His Ancestor A Study In Evolution At the base of the pulmonary trunk is the pulmonary semilunar valve, which prevents backflow of blood into the right ventricle during ventricular diastole. Anatomy and Physiology 2013-06-19T00:00:00Z A sprain is to be diagnosed from separation of one or other of the adjacent epiphyses, fracture involving the articular ends of the bones, and displacement of the semilunar menisci. Manual of Surgery Volume Second: Extremities—Head—Neck. Sixth Edition. The semilunar valves of the pulmonary artery had their bases slightly ossified, and the remaining part thickened. Cases of Organic Diseases of the Heart L, The semilunar valves of the pulmonary artery. A Treatise on Anatomy, Physiology, and Hygiene (Revised Edition) Fruit a fleshy drupe resembling somewhat a small apple, the pit very hard, semilunar, flattened, with 4 compartments and as many solitary seeds. The Medicinal Plants of the Philippines At the base of the aorta is the aortic semilunar valve that prevents backflow of blood into the left ventricle while the heart is relaxing. Anatomy and Physiology 2013-06-19T00:00:00Z The semilunar menisci are two crescentic plates of white fibro-cartilage, which lie upon the upper end of the tibia, and serve to deepen the articular surface for the condyles of the femur. Manual of Surgery Volume Second: Extremities—Head—Neck. Sixth Edition. The tricuspid valves had lost their smoothness and transparency; the semilunar valves of the pulmonary artery were cartilaginous at their bases. Cases of Organic Diseases of the Heart The thoracic duct is equal in diameter to a goose-quill, and, at its termination, is provided with a pair of semilunar valves, which prevent the admission of venous blood into its cylinder. A Treatise on Anatomy, Physiology, and Hygiene (Revised Edition) Just under the mucous membrane covering the anal columns and semilunar valves is the fatty tissue forming a bed upon which the mucous membrane rests. Intestinal Ills Chronic Constipation, Indigestion, Autogenetic Poisons, Diarrhea, Piles, Etc. Also Auto-Infection, Auto-Intoxication, Anemia, Emaciation, Etc. Due to Proctitis and Colitis The two semilunar valves, the pulmonary and aortic valves, are closed, preventing backflow of blood into the right and left ventricles from the pulmonary trunk on the right and the aorta on the left. Anatomy and Physiology 2013-06-19T00:00:00Z There are risks on the one hand of a most unseemly exophthalmos with divergent squint, and on the other of a retraction of the semilunar fold, so that the sub-conjunctival operation is always preferable. A Manual of the Operations of Surgery For the Use of Senior Students, House Surgeons, and Junior Practitioners The semilunar valves of the aorta were lessened in size, and somewhat thickened. Cases of Organic Diseases of the Heart A, A, A, The semilunar ganglion and solar plexus, situated below the diaphragm and behind the stomach. A Treatise on Anatomy, Physiology, and Hygiene (Revised Edition) The ligule is only a smooth semilunar line without hairs. A Handbook of Some South Indian Grasses The atrioventricular valves form between weeks five and eight, and the semilunar valves form between weeks five and nine. Anatomy and Physiology 2013-06-19T00:00:00Z A semilunar incision is made through the integuments in the direction of the fibres of the aponeurosis of the external oblique muscle. A Manual of the Operations of Surgery For the Use of Senior Students, House Surgeons, and Junior Practitioners The semilunar valves of the pulmonary artery and aorta were unusually small, and their bases cartilaginous. Cases of Organic Diseases of the Heart The valves of the left side are the most subject—the bicuspid or mitral and the aortic or semilunar. Special Report on Diseases of the Horse The first glume is very short about 1/4 of the third or less, semilunar, membranous, hyaline, subtruncate, obtuse or acute, generally nerveless, but rarely, obscurely 1- to 3-nerved. A Handbook of Some South Indian Grasses The pulmonary valve is located at the base of the pulmonary trunk, and the left semilunar valve is located at the base of the aorta. Anatomy and Physiology 2013-06-19T00:00:00Z Sedillot makes a semilunar or ovoid flap, the base of which is just below the great trochanter, and which includes it, the convexity being upwards and the flap being turned down. A Manual of the Operations of Surgery For the Use of Senior Students, House Surgeons, and Junior Practitioners The tricuspid valves and the semilunar valves of the pulmonary artery had lost their healthy transparency, but were not otherwise diseased. Cases of Organic Diseases of the Heart On examination of the joint, a groove forming three-fourths of a tunnel was found in the external tuberosity of the tibia, leading into the knee-joint beneath the external semilunar cartilage. Surgical Experiences in South Africa, 1899-1900 Being Mainly a Clinical Study of the Nature and Effects of Injuries Produced by Bullets of Small Calibre The external nostrils terminated in a single orifice of a semilunar shape, with the concavity turned towards the snout. Journal of the Proceedings of the Linnean Society - Vol. 3 Zoology As pressure in the ventricles rises above two major arteries, blood pushes open the two semilunar valves and moves into the pulmonary trunk and aorta in the ventricular ejection phase. Anatomy and Physiology 2013-06-19T00:00:00Z Some authors recommend a semilunar anterior flap; this is quite unnecessary, increases bagging and delays union. A Manual of the Operations of Surgery For the Use of Senior Students, House Surgeons, and Junior Practitioners A large spreading beech canopied the knoll, and beneath its boughs a semilunar seat admitted four persons. The Friendships of Women The right semilunar valve is situated around the opening of the right ventricle into the pulmonary artery. Physiology and Hygiene for Secondary Schools In certain injuries of the semilunar menisci of the knee, also, the joint is liable to a variety of locking, which differs, however, in many respects from that described above. Manual of Surgery Volume First: General Surgery. Sixth Edition. The valves at the openings that lead to the pulmonary trunk and aorta are known generically as semilunar valves. Anatomy and Physiology 2013-06-19T00:00:00Z In cases where much injury has been done to the floor of the axilla and wall of chest, the deltoid flap must be made large in proportion, and triangular rather than semilunar in shape. A Manual of the Operations of Surgery For the Use of Senior Students, House Surgeons, and Junior Practitioners The semilunar valves surround the opening from the left ventricle into the aorta and keep the blood from flowing back. Mother's Remedies Over One Thousand Tried and Tested Remedies from Mothers of the United States and Canada The left semilunar valve is around the opening of the left ventricle into the aorta, and is similar in all respects to the right semilunar valve. Physiology and Hygiene for Secondary Schools Harris recommends the injection of alcohol into the semilunar ganglion. Manual of Surgery Volume First: General Surgery. Sixth Edition. Any condition that increases resistance requires a greater afterload to force open the semilunar valves and pump the blood. Anatomy and Physiology 2013-06-19T00:00:00Z In some cases, however, it has been found that after removal of a large pterygium, a retraction of the caruncle and the semilunar fold is apt to take place, which renders the eyeball unpleasantly prominent. A Manual of the Operations of Surgery For the Use of Senior Students, House Surgeons, and Junior Practitioners Pulmonary semilunar valves guard the orifice of the pulmonary artery, keeping the blood from flowing back into the right ventricle. Mother's Remedies Over One Thousand Tried and Tested Remedies from Mothers of the United States and Canada After tying or plugging up the holes in the sides of the artery, pour water into the small end and observe the closing of the semilunar valve. Physiology and Hygiene for Secondary Schools Each valve usually consists of two semilunar flaps attached to opposite sides of the vessel wall, each flap having a small sinus on its cardiac side. Manual of Surgery Volume First: General Surgery. Sixth Edition. The semilunar valves form between weeks five and nine. Anatomy and Physiology 2013-06-19T00:00:00Z There is scarcely a patient but he knows the exact state of their thoracic viscera, and he talks of enlarged semilunar valves, and thickened ventricles with an air of alarming confidence. Punch, or the London Charivari, Volume 1, October 16, 1841 This fish is commonly about three feet long and two in circumference, having a very sharp head, with a small mouth, full eyes, and a semilunar tail. A General History and Collection of Voyages and Travels — Volume 10 Arranged in systematic order: Forming a complete history of the origin and progress of navigation, discovery, and commerce, by sea and land, from the earliest ages to the present time. The second sound is due to the closing of the semilunar valves. Physiology and Hygiene for Secondary Schools These valves are composed of semilunar folds of the tunica intima strengthened by an addition of connective tissue. Manual of Surgery Volume First: General Surgery. Sixth Edition. There are three dilations in the wall of the aorta just superior to the aortic semilunar valve. Anatomy and Physiology 2013-06-19T00:00:00Z The pupil is a fine black, and above each eye is a semilunar mark of the richest garnet. The Mirror of Literature, Amusement, and Instruction Volume 17, No. 495, June 25, 1831 The apex is fixed into the plantar surface of the os pedis, in front of its semilunar ridge. Diseases of the Horse's Foot On the right side, in front of the external half of the sclerotic, was observed a semilunar fold with the concavity inward, and which projected much more when the lower lid was depressed. Anomalies and Curiosities of Medicine They are tapering or peg-shaped, and present at their cutting margin a deep semilunar notch. Manual of Surgery Volume First: General Surgery. Sixth Edition. As ventricular pressure drops, there is a tendency for blood to flow back into the atria from the major arteries, producing the dicrotic notch in the ECG and closing the two semilunar valves. Anatomy and Physiology 2013-06-19T00:00:00Z On the commencement of the diastole of the ventricle, the semilunar valves are closed, and the aorta recoils by its elasticity so as to force part of its contents into the vessels farther onwards. The Gutenberg Webster's Unabridged Dictionary Section P and Q At its point of insertion into the semilunar crest the tendon is severed and afterwards reflected. Diseases of the Horse's Foot Displaced semilunar cartilage, and a three months' job. The Stark Munro Letters Continue to lay open the ventricle towards the pulmonary artery until the semilunar valves come into view. A Practical Physiology The second heart sound, S2 or dub, occurs when the semilunar valves close. Anatomy and Physiology 2013-06-19T00:00:00Z Thence it is driven past the semilunar valves, through the pulmonary artery, to the lungs. Hygienic Physiology : with Special Reference to the Use of Alcoholic Drinks and Narcotics In consequence of the plantar aponeurosis being extensively necrosed, it was advisable to scrape the navicular bone and a part of the semilunar crest. Diseases of the Horse's Foot There are, as everyone knows, three sigmoid or semilunar valves situated at the orifice of the pulmonary artery, which effectually prevent the blood sent into the vessel from returning into the cavity of the heart. The Harvard Classics Volume 38 Scientific Papers (Physiology, Medicine, Surgery, Geology) The pulmonary artery may now be opened from above so as to display the upper surfaces of the semilunar valves. A Practical Physiology In an irregularly acting heart the systolic pressure may vary greatly, from 10 to 20 mm. or more, and a ventricular contraction may not be of sufficient power to open the semilunar valves. Disturbances of the Heart The upper part of this ring of woody vessels, formed by the prolongation of the horns of the original semilunar band, is narrower than the lower part, and slightly less compact. The Movements and Habits of Climbing Plants The posterior region, lying immediately behind the semilunar crest, shows on each side of a median process a large foramen, the Plantar Foramen. Diseases of the Horse's Foot But in man, the quadrumana, and most other mammals, it exists, as is admitted by all anatomists, as a mere rudiment, called the semilunar fold. The Descent of Man Cut open the aorta, and notice the form of the semilunar valves. A Practical Physiology The mitral valve instantly closes and blocks the passage backward into the auricle; the blood, having no other way open, is forced through the semilunar valves into the aorta. A Practical Physiology The semilunar band has been converted into a complete ring of very hard, white, woody tissue, with lines radiating from the centre. The Movements and Habits of Climbing Plants From the semilunar anastomosis radiate two main groups of arterial branches, an ascending group and a descending one. Diseases of the Horse's Foot Muller, J., on the nictitating membrane and semilunar fold. The Descent of Man The openings from the ventricles into these vessels are guarded by the semilunar valves. A Practical Physiology The muscular substance of the heart itself is supplied with nourishment by two little arteries called the coronary arteries, which start from the aorta just above two of the semilunar valves. A Practical Physiology Each valve has three folds, each half-moon-shaped, hence the name semilunar. A Practical Physiology The second sound is, without doubt, caused by the sudden closure of the semilunar valves of the pulmonary artery and the aorta, at the moment when the contraction of the ventricles is completed. A Practical Physiology Knox, R., on the semilunar fold; on the occurrence of the supra-condyloid foramen in the humerus of man; on the features of the young Memmon. The Descent of Man The blood is now forced through the open semilunar valves into the pulmonary artery. A Practical Physiology The ventricular cavity should now be opened up as far as the aorta, and the semilunar valves examined. A Practical Physiology |
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