| primite | The anterior member of a pair of gregarine gamonts in syzygy. (05 Mar 2000) |
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| primitia | The first fruit; the first year's whole profit of an ecclesiastical preferment. "The primitias of your parsonage." (Spenser) Origin: L. Primitiae, pl, fr. Primus first. Cf. Premices. Source: Websters Dictionary (01 Mar 1998) |
| primitive | Undeveloped or in early stages of development, undifferentiated. (16 Dec 1997) |
| primitive aorta | The paired aortic primordia in young embryos. (05 Mar 2000) |
| primitive chorion | The chorion before its villi are well formed. Synonym: previllous chorion. (05 Mar 2000) |
| primitive costal arches | Arch's formed in the thoracic region of the vertebral column in the embryo from the costal processes or costal elements which give rise to the ribs. (05 Mar 2000) |
| primitive erythroblast | <cell biology> Large cell with euchromatic nucleus found in mammalian embryos. In the mouse, the cells are located in the yolk sac and are responsible for early production of erythrocytes with foetal haemoglobin. (18 Nov 1997) |
| primitive furrow | The median depression in the primitive streak flanked by the primitive ridges. Synonym: primitive furrow. (05 Mar 2000) |
| primitive groove | The median depression in the primitive streak flanked by the primitive ridges. Synonym: primitive furrow. (05 Mar 2000) |
| primitive gut | A flat sheet of intraembryonic endoderm that will change into a tubular gut due to the folding of embryonic body-head, tail and lateral body folds. Synonym: archenteron, celenteron, endodermal canal, subgerminal cavity. (05 Mar 2000) |
| primitive knot | A local thickening of the blastoderm at the cephalic end of the primitive streak of the embryo. Synonym: Hensen's knot, Hensen's node, Hubrecht's protochordal knot, primitive knot, protochordal knot. (05 Mar 2000) |
| primitive meninx | The embryonic loose mesenchymatous tissue surrounding the brain and spinal cord; from it the three definite meninges (arachnoidea, dura mater, and pia mater) are derived. Synonym: meninx primitiva. Meninx serosa, obsolete term for arachnoidea; the arachnoid is actually not a serous membrane. (05 Mar 2000) |
| primitive neuroectodermal tumour | A designation used to refer to a group of morphologically similar embryonal neoplasms that arise in intracranial and peripheral sites of the nervous system and which may show various degrees of cellular differentiation; includes medulloblastoma, pineoblastoma, etc. (05 Mar 2000) |
| primitive neuroectodermal tumours | A type of brain tumour. Prenatal diagnosis: diagnosis before birth. Methods for prenatal diagnosis include ultrasound (of the uterus, placenta and developing foetus), chorionic villus sampling to obtain tissue for chromosome or biochemical analysis, amniocentesis to obtain amniotic fluid for the analysis of chromosmes, enzymes, DNA, etc. A growing number of birth defects and diseases are now amenable to prenatal diagnosis. Also called antenatal diagnosis. (12 Dec 1998) |
| primitive node | A local thickening of the blastoderm at the cephalic end of the primitive streak of the embryo. Synonym: Hensen's knot, Hensen's node, Hubrecht's protochordal knot, primitive knot, protochordal knot. (05 Mar 2000) |
| primary tuberculosis |
pulmonary tuberculosis when a person is first infected; it is often asymptomatic, with simply a positive result on a tuberculin test. In children there may be exudation (see exudative t.), with the primary complex consisting of a parenchymal pulmonary lesion and a corresponding lymph node focus. Formerly called childhood t.
Ãâó: www.mercksource.com/pp/us/cns/cns_hl_dorlands.jspz...
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| prion |
Prions — short for proteinaceous infectious particle — are infectious self-reproducing protein structures. ...
Ãâó: en.wikipedia.org/wiki/Prion
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| primary care |
In medicine, primary care is a term used for a health provider who acts as a first point of consultation for all patients. Generally, primary care physicians are based in the community, as opposed to the hospital. Alternative names for the field are general practice and family medicine, although the terms are not synonymous. General practitioners are physicians who have completed one year of post-medical school training in what has been traditionally described as an "internship. ...
Ãâó: en.wikipedia.org/wiki/Primary_care
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| primal therapy |
Primal therapy is a trauma-based psychotherapy developed and popularized by Arthur Janov, Ph.D.. During therapy the patient is encouraged to cry, scream, and beat objects to express childhood, perinatal and prenatal feelings. Janov claimed that in primal therapy patients would find their real needs and feelings after experiencing all their accumulated pain. ...
Ãâó: en.wikipedia.org/wiki/Primal_therapy
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| priapism |
Priapism is a painful and potentially harmful medical condition in which the erect penis (erection) does not return to its flaccid state (despite the absence of both physical and psychological stimulation). The causative mechanisms are poorly understood but involve complex neurological and vascular factors. ...
Ãâó: en.wikipedia.org/wiki/Priapism
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| PRI | coil forming the part of an electrical circuit such that changing current in it induces a current in a neighboring circuit |
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| PRI | dentition of deciduous teeth |
| PRI | painful menstruation that is intrinsic to menstruation and not the result of a disease |
| PRI | a preliminary election where delegates or nominees are chosen |
| PRI | one of the main flight feathers projecting along the outer edge of a bird's wing |
| PRI | health care that is provided by a health care professional in the first contact of a patient with the health care system |
| PRI | one of the main flight feathers projecting along the outer edge of a bird's wing |
| PRI | a school for young children |
| PRI | the genetically determined sex characteristics bound up with reproduction (genitals and organs of reproduction) |
| PRI | the genetically determined sex characteristics bound up with reproduction (genitals and organs of reproduction) |
| PRI | a homogeneous solid that can exist over a range of component chemicals |
| PRI | the first stage |
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