HETEROLOGOUS

Pronunciation (US):

(GB):

 Dictionary entry overview: What does heterologous mean? 

• HETEROLOGOUS (adjective)
  The adjective HETEROLOGOUS has 2 senses:

1. not corresponding in structure or evolutionary origin

2. derived from organisms of a different but related species

  Familiarity information: HETEROLOGOUS used as an adjective is rare.

 Dictionary entry details 

• HETEROLOGOUS (adjective)

Sense 1

Meaning:

Not corresponding in structure or evolutionary origin

Synonyms:

heterologic; heterological; heterologous

Domain category:

biological science; biology (the science that studies living organisms)

Antonym:

analogous (corresponding in function but not in evolutionary origin)

homologous (having the same evolutionary origin but not necessarily the same function)

Derivation:

heterology ((biology) the lack of correspondence of apparently similar body parts)

Sense 2

Meaning:

Derived from organisms of a different but related species

Context example:

a heterologous graft

Antonym:

autologous (derived from organisms of the selfsame individual)

homologous (corresponding or similar in position or structure or function or characteristics; especially derived from an organism of the same species)

Derivation:

heterology ((biology) the lack of correspondence of apparently similar body parts)

 Context examples 

An ovarian Sertoli-Leydig cell tumor of intermediate differentiation, characterized by the presence of a heterologous component, usually consisting of cartilage, skeletal muscle, or rhabdomyosarcoma.

(Intermediate Differentiated Ovarian Sertoli-Leydig Cell Tumor, Variant with Heterologous Elements, NCI Thesaurus)

In a minority of cases, the sarcomatous component contains heterologous elements including striated muscle, cartilage, and fat.

(Adenosarcoma, NCI Thesaurus)

Xenotropic viruses cannot infect cells from their host species but are infectious in heterologous species.

(Endogenous Retrovirus, NCI Thesaurus)

PKC activation and threonine phosphorylation of the EGF receptor can induce heterologous receptor internalization, but opposes Cbl-mediated receptor degradation.

(EGF Receptor Downregulation by CBL Pathway, NCI Thesaurus/BIOCARTA)

Heterologous antisera to mouse lymphocytes produced in horses and used to treat or prevent transplant rejection.

(Horse Anti-mouse Anti-lymphocyte Serum, NCI Thesaurus)