| AcLV | avian acute leukemia virus |
|---|---|
| AE | above-elbow [amputation]; acrodermatitis enteropathica; activation energy; adult erythrocyte; advers... |
| AEB | acute erythroblastopenia; avian erythroblastosis |
| AEM | Academic Emergency Medicine [journal]; analytical electron microscopy; ambulatory electrocardiograph... |
| AEV | avian erythroblastosis virus |
| AEV | Avian Encephalomyelitis Virus |
|---|---|
| AEV | Avian Erythroblastosis Virus |
| ALV | Avian Leukosis Virus |
| AMV | Avian Myeloblastosis Virus |
| ASV | Avian Sarcoma Virus |
| crop gland | Cells in the crop of male and female pigeons and doves that secrete a caseous or milklike material with which the bird feeds its young; it is stimulated to secrete by prolactin, the lactogenic hormone of the anterior hypophysis, and is used as a test object for assaying the activity of this hormone. (05 Mar 2000) |
|---|---|
| crop milk | A secretion formed by glands in the mucosa of the pigeon's crop with which the young are fed; it is increased under the influence of prolactin. Synonym: crop milk. (05 Mar 2000) |
| crop tree | Usually a conifer tree grown to provide wood products. (05 Dec 1998) |
| standing crop | The abundance, total weight, or energy content of organisms existing in a specified area at a given time. In relation to plants it usually refers to normal harvesting procedures, unless specified, for the particular plant under consideration and may not necessarily include the entire plant. (09 Oct 1997) |
| energy crop | Crops grown specifically for their fuel value. These include food crops such as corn and sugarcane, and nonfood crops such as poplar trees and switchgrass. Currently, two energy crops are under development: short-rotation woody crops, which are fast-growing hardwood trees harvested in 5 to 8 years, and herbaceous energy crops, such as perennial grasses, which are harvested annually after taking 2 to 3 years to reach full productivity. (05 Dec 1998) |
| avian | <zoology> Relating to, affecting, resembling or derived from a bird. (02 Jan 1998) |
| avian achondroplasia | <veterinary> An achondroplasia seen in several breeds of domestic chickens. Inheritance: autosomal dominant. (05 Mar 2000) |
| avian adenovirus type 1 proteinase | <enzyme> 206 aa residues of which 66% are homologous to human ad2 emzyme embl/genbank l13161 Registry number: EC 3.4.22.- Synonym: aavl proteinase, aavl endopeptidase (26 Jun 1999) |
| avian diphtheria | An infection by the fowlpox virus in which tracheal involvement is especially severe. See: fowlpox. Synonym: fowl diphtheria. (05 Mar 2000) |
| avian encephalomyelitis virus | <virology> A virus of the genus Enterovirus (family Picornaviridae) causing avian infectious encephalomyelitis in young chicks. (05 Mar 2000) |
| avian erythroblastosis | <veterinary> An expression of disease of the avian leukosis-sarcoma complex; characterised by severe anaemia and large numbers of erythroblasts in the blood; chickens are most susceptible but fatal natural infections have been reported in guinea fowl. Synonym: fowl erythroblastosis. (05 Mar 2000) |
| avian erythroblastosis virus | <virology> Group of C type RNA tumour viruses (Oncovirinae) that cause various leukaemias and other tumours in birds. The acute leukaemia viruses, that are replication defective and require helper viruses, include avian erythroblastosis (AEV), myeloblastosis (AMV) and myelo cytomatosis viruses. AEV carries two transforming genes, v erbA and v erbB, the cellular homologue of the latter is the structural gene for the epidermal growth factor receptor. AMV carries v myb and causes a myeloid leukaemia, avian myelocytomatosis virus carries v myc. The avian lymphatic leukaemia viruses (ALV) are also Retroviridae but are replication competent and induce neoplasia only after several months, they often occur in conjunction with replication defective leukaemia viruses. (02 Jan 1998) |
| avian herpesvirus 1 | <virology> A virus causing avian infectious laryngotracheitis in chickens. (05 Mar 2000) |
| avian herpesvirus 2 | <virology> A virus causing Marek's disease in chickens. (05 Mar 2000) |
| avian infectious encephalomyelitis | <veterinary> A disease of very young chicks caused by a picornavirus and characterised by tremor, ataxia, somnolence, and finally death. Synonym: epidemic tremor. (05 Mar 2000) |
Synonyms : Avian Crop, Avian Crops, Crops, Avian
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