| 释义 |
neoplasmenUK
ne·o·plasm N0059300 (nē′ə-plăz′əm)n. An abnormal new growth of tissue in animals or plants; a tumor.
ne′o·plas′tic (-plăs′tĭk) adj.neoplasm (ˈniːəʊˌplæzəm) n (Pathology) pathol any abnormal new growth of tissue; tumour neoplastic adjne•o•plasm (ˈni əˌplæz əm)
n. a new, often uncontrolled growth of abnormal tissue; tumor. [1860–65] ne`o•plas′tic (-ˈplæs tɪk) adj. neoplasmany abnormal formation or growth of tissue such as a tumor. — neoplastic, adj.See also: Growth
any abnormal formation or growth of tissue, as a tumor. — neoplastic, adj.See also: Body, Human
the abnormal development of benign or cancerous tissue. — neoplastic, adj.See also: CancerThesaurus| Noun | 1. |  neoplasm - an abnormal new mass of tissue that serves no purposetumor, tumourgrowth - (pathology) an abnormal proliferation of tissue (as in a tumor)acanthoma, skin tumor - a neoplasm originating in the epidermisangioma - a tumor consisting of a mass of blood or lymphatic vesselsbenign tumor, benign tumour, nonmalignant neoplasm, nonmalignant tumor, nonmalignant tumour - a tumor that is not cancerousblastocytoma, blastoma, embryonal carcinosarcoma - a tumor composed of immature undifferentiated cellsbrain tumor, brain tumour - a tumor in the braincarcinoid - a small tumor (benign or malignant) arising from the mucosa of the gastrointestinal tract; usually associated with excessive secretion of serotonincelioma - an abdominal tumorgranuloma - a tumor composed of granulation tissue resulting from injury or inflammation or infectionadipose tumor, lipoma - a tumor consisting of fatty tissuemalignant neoplasm, malignant tumor, metastatic tumor - a tumor that is malignant and tends to spread to other parts of the bodymeningioma - a tumor arising in the meninges which surround the brain and spinal cord; usually slow growing and sometimes malignantneurilemoma, neurofibroma - tumor of the fibrous covering of a peripheral nerveneuroma - any tumor derived from cells of the nervous systemphaeochromocytoma, pheochromocytoma - a vascular tumor of the adrenal gland; hypersecretion of epinephrine results in intermittent or sustained hypertensionpinealoma - tumor of the pineal glandplasmacytoma - neoplasm of plasma cells (usually in bone marrow)psammoma, sand tumor - a tumor derived from fibrous tissue of the meninges or choroid plexus or certain other structures associated with the brain; characterized by sandlike particlesteratoma - a tumor consisting of a mixture of tissues not normally found at that site |
TranslationsneoplasmenUK
neoplasm or tumor, tissue composed of cells that grow in an abnormal way. Normal tissue is growth-limited, i.e., cell reproduction is equal to cell death. Feedback controls limit cell division after a certain number of cells have developed, allowing for tissue repair but not expansion. Tumor cells are less responsive to these restraints and can proliferate to the point where they disrupt tissue architecture, distort the flow of nutrients, and otherwise do damage. Tumors may be benign or malignant. Benign tumors remain localized as a discrete mass. They may differ appreciably from normal tissue in structure and excessive growth of cells, but are rarely fatal. However, even benign tumors may grow large enough to interfere with normal function. Some benign uterine tumors, which can weigh as much as 50 lb (22.7 kg), displace adjacent organs, causing digestive and reproductive disorders. Benign tumors are usually treated by complete surgical removal. Cells of malignant tumors, i.e., cancerscancer,
in medicine, common term for neoplasms, or tumors, that are malignant. Like benign tumors, malignant tumors do not respond to body mechanisms that limit cell growth.
..... Click the link for more information. , have characteristics that differ from normal cells in other ways beside cell proliferation. For example, they may be deficient in some specialized functions of the tissues where they originate. Malignant cells are invasive, i.e., they infiltrate surrounding normal tissue; later, malignant cells metastasize, i.e., spread via blood and the lymph system to other sites. Both benign and malignant tumors are classified according to the type of tissue in which they are found. For example, fibromas are neoplasms of fibrous connective tissue, and melanomas are abnormal growths of pigment (melanin) cells. Malignant tumors originating from epithelial tissue, e.g., in skin, bronchi, and stomach, are termed carcinomas. Malignancies of epithelial glandular tissue such as are found in the breast, prostate, and colon, are known as adenocarcinomas. Malignant growths of connective tissue, e.g., muscle, cartilage, lymph tissue, and bone, are called sarcomas. Lymphomas and leukemiasleukemia
, cancerous disorder of the blood-forming tissues (bone marrow, lymphatics, liver, spleen) characterized by excessive production of immature or mature leukocytes (white blood cells; see blood) and consequently a crowding-out of red blood cells and platelets.
..... Click the link for more information. are malignancies arising among the white blood cells. A system has been devised to classify malignant tissue according to the degree of malignancy, from grade 1, barely malignant, to grade 4, highly malignant. In practice it is not always possible to determine the degree of malignancy, and it may be difficult even to determine whether particular tumor tissue is benign or malignant. neoplasm[′nē·ə‚plaz·əm] (medicine) An aberrant new growth of abnormal cells or tissues; a tumor. neoplasmenUK
neoplasm [ne´o-plazm] tumor; any new and abnormal growth, specifically one in which cell multiplication is uncontrolled and progressive. Neoplasms may be benign or malignant.ne·o·plasm (nē'ō-plazm), An abnormal tissue that grows by cellular proliferation more rapidly than normal and continues to grow after the stimuli that initiated the new growth cease. Neoplasms show partial or complete lack of structural organization and functional coordination with the normal tissue, and usually form a distinct mass of tissue that may be either benign (benign tumor) or malignant (cancer). Synonym(s): new growth, tumor (2) [neo- + G. plasma, thing formed] neoplasm (nē′ə-plăz′əm)n. An abnormal new growth of tissue in animals or plants; a tumor.
ne′o·plas′tic (-plăs′tĭk) adj.neoplasm (1) An abnormal mass of tissue, the growth of which exceeds and is uncoordinated with that of normal tissue, and persists in the same excessive manner after cessation of the stimuli evoking the change.
(2) Any autonomous proliferation of cells, benign or malignant.
Neoplasm classifications
• Behavior—Benign, borderline or malignant.
• Degree of differentiation—Well differentiated (i.e., the neoplastic cell simulates its parent or progenitor cell) or poorly differentiated (i.e., the neoplastic cell is bizarre and “ugly”, as defined by pathologic criteria).
• Embryologic origin—Epithelial (e.g., adenocarcinoma, squamous cell carcinoma), lymphoproliferative (e.g., leukaemia, lymphoma), mesenchymal (e.g., sarcoma).
• Gross appearance—Well circumscribed or infiltrative: benign neoplasms are usually slow growing, well circumscribed, often with a fibrous capsule, and are symptomatic only if they compromise a confined space (e.g., massive meningioma of the cranial cavity, or encirclement of vital blood vessels); malignancies are often aggressive with increased mitotic activity, bizarre cells, necrosis and invasion of adjacent structures, and have metastatic potential.neoplasm Oncology 'An abnormal mass of tissue, the growth of which exceeds and is uncoordinated with that of normal tissue and persists in the same excessive manner after cessation of the stimuli evoking the change'; an autonomous proliferation of cells, benign or malignant. See Cancer, Doubling time, Intraductal papillary-mucinous neoplasm of pancreas, Metastases, Papillary & solid neoplasm of pancreas. Neoplasm classifications Behavior Benign, borderline or malignant Degree of differentiation Well-differentiated, ie the neoplastic cell simulates its parent or progenitor cell or poorly-differentiated, ie the neoplastic cell is bizarre and ''ugly', as defined by pathologic criteria' Embryologic origin Epithelial–eg adenocarcinoma, squamous cell carcinoma, lymphoproliferative–eg leukemia, lymphoma, mesenchymal–eg sarcoma, histiocytosis, neural crest–eg carcinoid tumor, some small cell carcinomas, etc Gross appearance Well-circumscribed or infiltrative; benign neoplasms, usually slow-growing, well-circumscribed, often with a fibrous capsule, and are symptomatic only if they compromise a confined space, eg massive meningioma of the cranial cavity, or encirclement of vital blood vessels; malignancies are often aggressive with ↑ mitotic activity, bizarre cells, necrosis and invasion of adjacent structures and have metastatic potential ne·o·plasm (nē'ō-plazm) An abnormal tissue that grows by cellular proliferation more rapidly than normal and continues to grow after the stimuli that initiated the new growth cease. Neoplasms show partial or complete lack of structural organization and functional coordination with the normal tissue, and usually form a distinct mass of tissue which may be either benign (benign tumor) or malignant (cancer).
Synonym(s): tumor (2) . [G. neo- new + G. plasma, thing formed]neoplasm A collection of cells, derived from a common origin, often a single cell, that is increasing in number and expanding or spreading, either locally or to remote sites. A tumour. Neoplasms may be BENIGN or MALIGNANT. The term literally means a new growth. See also CANCER.neoplasm an autonomous growth of tissue in the body which has no apparent physiological function, such as a TUMOUR.NeoplasmAn abnormal formation of tissue; for example, a tumor.Mentioned in: Intestinal Polyps, Multiple Endocrine Neoplasia Syndromes, Multiple Myeloma, Parathyroid Scanne·o·plasm (nē'ō-plazm) Abnormal tissue that grows by cellular proliferation more rapidly than normal and continues to grow after the stimuli that initiated the new growth cease; may be either benign or malignant. [G. neo- new + G. plasma, thing formed]Patient discussion about neoplasmQ. What is a brain tumor? A. A brain tumour is any intracranial tumor normally either in the brain itself in the cranial nerves, in the brain envelopes, skull, pituitary and pineal gland, or spread from cancers primarily located in other organs (metastatic tumors). It is created by abnormal and uncontrolled cell division. Primary (true) brain tumors (which start in the brain) are commonly located in the posterior cranial fossa in children and in the anterior two-thirds of the cerebral hemispheres in adults, although they can affect any part of the brain. Q. Is this a tumor? I felt a lump in my breast a few days ago in the shower. Is this a Tumor? Help! I'm scared.A. If you felt a lump in your breast then you should go see your Doctor to check whether or not it is something that could be dangerous. Q. what is carcinoid tumors? I had my appendix removed and the doctor came in the room very shocked and said it was full of carcinoid tumors. Im scared to get them somewhere else.A. ya I have pain all the time but the doctors wont give me anything cuz im so young they don't want me hooked on anything. thank you sooo much for being so kind. More discussions about neoplasmneoplasmenUK
Related to neoplasm: malignant neoplasm, Benign neoplasm, Lung neoplasmSynonyms for neoplasmnoun an abnormal new mass of tissue that serves no purposeSynonymsRelated Words- growth
- acanthoma
- skin tumor
- angioma
- benign tumor
- benign tumour
- nonmalignant neoplasm
- nonmalignant tumor
- nonmalignant tumour
- blastocytoma
- blastoma
- embryonal carcinosarcoma
- brain tumor
- brain tumour
- carcinoid
- celioma
- granuloma
- adipose tumor
- lipoma
- malignant neoplasm
- malignant tumor
- metastatic tumor
- meningioma
- neurilemoma
- neurofibroma
- neuroma
- phaeochromocytoma
- pheochromocytoma
- pinealoma
- plasmacytoma
- psammoma
- sand tumor
- teratoma
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