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MAMMALIAN PHENOTYPE - ANNOTATIONS

The Mouse Adult Gross Anatomy Ontology and Mammalian Phenotype Ontology are downloaded weekly from the Mouse Genome Informatics databases at Jackson Laboratories (ftp://ftp.informatics.jax.org/pub/reports/index.html). For more information about these ontologies, see the MGI Publications Page at http://www.informatics.jax.org/mgihome/other/publications.shtml.
Term:abnormal Harderian gland development
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Accession:MP:0013439 term browser browse the term
Definition:aberrant formation or incomplete differentiation of the sebaceous gland located behind the eyeball that excretes fluid that facilitates movement of the nictitating membrane; in rodents, the Harderian gland originates from the nasal part of the conjunctival epithelium at E16 and forms a branched structure behind the eyeball; in contrast to the acinar morphology of the lacrimal gland, the Harderian gland has a tubulo-alveolar organization and is composed exclusively of one type of secretory cell; in primates, the HG is either absent or vestigial
Comment:Note that the Harderian gland is found in all terrestrial vertebrate groups, including amphibia, reptiles, birds, and mammals. However, it appears to be absent in certain mammals such as bats, cows, horses, and higher primates. Though largely absent in the adult human, it is present in the fetal and neonatal stages
Synonyms:exact_synonym: Harderian gland dysgenesis


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abnormal Harderian gland development term browser
Symbol Object Name Evidence Notes Source PubMed Reference(s) RGD Reference(s) Position
G Rara retinoic acid receptor, alpha IAGP MGI PMID:7607067 NCBI chr11:98,818,626...98,865,768
Ensembl chr11:98,818,644...98,865,768 		JBrowse link
G Rarb retinoic acid receptor, beta IAGP MGI PMID:7607067 NCBI chr14:5,387,365...6,038,924
Ensembl chr14:5,650,540...6,038,924 		JBrowse link
G Rarg retinoic acid receptor, gamma IAGP MGI PMID:7607067 NCBI chr15:102,143,373...102,165,957
Ensembl chr15:102,143,373...102,165,952 		JBrowse link
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Term Annotations click to browse term
  mammalian phenotype 16239
    endocrine/exocrine gland phenotype 3254
      abnormal gland morphology 3027
        abnormal gland development 326
          abnormal Harderian gland development 3
Path 2
Term Annotations click to browse term
  mammalian phenotype 16239
    endocrine/exocrine gland phenotype 3254
      abnormal gland morphology 3027
        abnormal exocrine gland morphology 1049
          abnormal merocrine gland morphology 111
            abnormal Harderian gland morphology 20
              abnormal Harderian gland development 3
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