Definition of homologous in English:

homologous

adjective hɒˈmɒləɡəs

1Having the same relation, relative position, or structure.
（关系，位置，结构）相应的，类似的，尤指
Example sentencesExamples
- The effort, in part, is to determine whether academic institutions are homologous with organizations in other fields.
- In certain primal traditions, the maze or labyrinth played a homologous role to that of the sacred wilderness area - in fact, the two may have been indistinguishable.
- The Portuguese Society of Plant Physiology, in collaboration with the Spanish homologous society, is organizing the 9th Luso-Spanish Plant Physiology Congress and the 16th Meeting of the Spanish Society of Plant Physiology.
1. 1.1Biology (of organs) similar in position, structure, and evolutionary origin but not necessarily in function.
  〔生〕（器官）同源的（位置、结构或生物起源相似，但功能不一定相似）
  a seal's flipper is homologous with the human arm
  海豹的鳍状肢与人的胳膊是同源的。常与ANALOGOUS 相对。
  Often contrasted with analogous
  Example sentencesExamples
  Could it be that the parathyroid is also derived from a branchial arch, and is therefore homologous with the gills of fish?
  The swim bladder is homologous to the lungs of tetrapods.
  It's a homologous structure found in both fish and tetrapods.
  Adaptationist arguments are essential because they suggest the function of homologous and analogous physiological structures.
  Structures normally found at the nonmutant leaf edge are absent from the affected region of the mutant leaf and leaf homologous organs.
  Synonyms
  similar, comparable, equivalent, like, analogous, corresponding, correspondent, parallel, matching, kindred, related, correlative, congruent, cognate
2. 1.2Biology (of chromosomes) pairing at meiosis and having the same structural features and pattern of genes.
  〔生〕（染色体）同源的
  Example sentencesExamples
  This interaction is thought to be necessary for the proper pairing and segregation of homologous chromosomes during the first meiotic division.
  During prophase I of meiosis, homologous chromosomes align, synapse, and cross over.
  Pairing of homologous chromosomes is confirmed in the mutant strain.
  Crossing over ensures segregation of homologous chromosomes in meiosis I.
  Pairing is an essential step in organizing and properly distributing homologous chromosomes during meiosis.
3. 1.3Chemistry (of a series of chemical compounds) having the same functional group but differing in composition by a fixed group of atoms.
  〔化〕（一系列化合物）同系的
  Example sentencesExamples
  One approach to analyzing the contributions of the factors controlling binding is to compare binding of a series of homologous compounds.
  Moreover, the level of amino acid sequence divergence between homologous proteins is relatively low, allowing us to gauge the patterns of amino acid substitution.
  Such homologous series can provide the basis for a rational classification of sulfosalts.
  Chemically they are classed as alcohols, which are representative of a homologous series.
  Because of these regularities, the members of each group are known as a homologous series.

Origin

Mid 17th century: via medieval Latin from Greek homologos 'agreeing, consistent', from homos 'same' + logos 'ratio, proportion'.

Rhymes

tautologous

Definition of homologous in US English:

homologous

adjective

1Having the same relation, relative position, or structure.
（关系，位置，结构）相应的，类似的，尤指
Example sentencesExamples
- The Portuguese Society of Plant Physiology, in collaboration with the Spanish homologous society, is organizing the 9th Luso-Spanish Plant Physiology Congress and the 16th Meeting of the Spanish Society of Plant Physiology.
- The effort, in part, is to determine whether academic institutions are homologous with organizations in other fields.
- In certain primal traditions, the maze or labyrinth played a homologous role to that of the sacred wilderness area - in fact, the two may have been indistinguishable.
1. 1.1Biology (of organs) similar in position, structure, and evolutionary origin but not necessarily in function.
  〔生〕（器官）同源的（位置、结构或生物起源相似，但功能不一定相似）
  a seal's flipper is homologous with the human arm
  海豹的鳍状肢与人的胳膊是同源的。常与ANALOGOUS 相对。
  Often contrasted with analogous
  Example sentencesExamples
  Structures normally found at the nonmutant leaf edge are absent from the affected region of the mutant leaf and leaf homologous organs.
  It's a homologous structure found in both fish and tetrapods.
  Adaptationist arguments are essential because they suggest the function of homologous and analogous physiological structures.
  Could it be that the parathyroid is also derived from a branchial arch, and is therefore homologous with the gills of fish?
  The swim bladder is homologous to the lungs of tetrapods.
  Synonyms
  similar, comparable, equivalent, like, analogous, corresponding, correspondent, parallel, matching, kindred, related, correlative, congruent, cognate
2. 1.2Biology (of chromosomes) pairing at meiosis and having the same structural features and pattern of genes.
  〔生〕（染色体）同源的
  Example sentencesExamples
  Pairing of homologous chromosomes is confirmed in the mutant strain.
  Pairing is an essential step in organizing and properly distributing homologous chromosomes during meiosis.
  Crossing over ensures segregation of homologous chromosomes in meiosis I.
  This interaction is thought to be necessary for the proper pairing and segregation of homologous chromosomes during the first meiotic division.
  During prophase I of meiosis, homologous chromosomes align, synapse, and cross over.
3. 1.3Chemistry (of a series of chemical compounds) having the same functional group but differing in composition by a fixed group of atoms.
  〔化〕（一系列化合物）同系的
  Example sentencesExamples
  Moreover, the level of amino acid sequence divergence between homologous proteins is relatively low, allowing us to gauge the patterns of amino acid substitution.
  Because of these regularities, the members of each group are known as a homologous series.
  Chemically they are classed as alcohols, which are representative of a homologous series.
  Such homologous series can provide the basis for a rational classification of sulfosalts.
  One approach to analyzing the contributions of the factors controlling binding is to compare binding of a series of homologous compounds.

Origin

Mid 17th century: via medieval Latin from Greek homologos ‘agreeing, consistent’, from homos ‘same’ + logos ‘ratio, proportion’.

单词	homologous
释义	Definition of homologous in English: homologous adjective hɒˈmɒləɡəs 1Having the same relation, relative position, or structure. （关系，位置，结构）相应的，类似的，尤指 Example sentencesExamples The effort, in part, is to determine whether academic institutions are homologous with organizations in other fields. In certain primal traditions, the maze or labyrinth played a homologous role to that of the sacred wilderness area - in fact, the two may have been indistinguishable. The Portuguese Society of Plant Physiology, in collaboration with the Spanish homologous society, is organizing the 9th Luso-Spanish Plant Physiology Congress and the 16th Meeting of the Spanish Society of Plant Physiology. 1.1Biology (of organs) similar in position, structure, and evolutionary origin but not necessarily in function. 〔生〕（器官）同源的（位置、结构或生物起源相似，但功能不一定相似） a seal's flipper is homologous with the human arm 海豹的鳍状肢与人的胳膊是同源的。常与ANALOGOUS 相对。 Often contrasted with analogous Example sentencesExamples Could it be that the parathyroid is also derived from a branchial arch, and is therefore homologous with the gills of fish? The swim bladder is homologous to the lungs of tetrapods. It's a homologous structure found in both fish and tetrapods. Adaptationist arguments are essential because they suggest the function of homologous and analogous physiological structures. Structures normally found at the nonmutant leaf edge are absent from the affected region of the mutant leaf and leaf homologous organs. Synonyms similar, comparable, equivalent, like, analogous, corresponding, correspondent, parallel, matching, kindred, related, correlative, congruent, cognate 1.2Biology (of chromosomes) pairing at meiosis and having the same structural features and pattern of genes. 〔生〕（染色体）同源的 Example sentencesExamples This interaction is thought to be necessary for the proper pairing and segregation of homologous chromosomes during the first meiotic division. During prophase I of meiosis, homologous chromosomes align, synapse, and cross over. Pairing of homologous chromosomes is confirmed in the mutant strain. Crossing over ensures segregation of homologous chromosomes in meiosis I. Pairing is an essential step in organizing and properly distributing homologous chromosomes during meiosis. 1.3Chemistry (of a series of chemical compounds) having the same functional group but differing in composition by a fixed group of atoms. 〔化〕（一系列化合物）同系的 Example sentencesExamples One approach to analyzing the contributions of the factors controlling binding is to compare binding of a series of homologous compounds. Moreover, the level of amino acid sequence divergence between homologous proteins is relatively low, allowing us to gauge the patterns of amino acid substitution. Such homologous series can provide the basis for a rational classification of sulfosalts. Chemically they are classed as alcohols, which are representative of a homologous series. Because of these regularities, the members of each group are known as a homologous series. Origin Mid 17th century: via medieval Latin from Greek homologos 'agreeing, consistent', from homos 'same' + logos 'ratio, proportion'. Rhymes tautologous Definition of homologous in US English: homologous adjective 1Having the same relation, relative position, or structure. （关系，位置，结构）相应的，类似的，尤指 Example sentencesExamples The Portuguese Society of Plant Physiology, in collaboration with the Spanish homologous society, is organizing the 9th Luso-Spanish Plant Physiology Congress and the 16th Meeting of the Spanish Society of Plant Physiology. The effort, in part, is to determine whether academic institutions are homologous with organizations in other fields. In certain primal traditions, the maze or labyrinth played a homologous role to that of the sacred wilderness area - in fact, the two may have been indistinguishable. 1.1Biology (of organs) similar in position, structure, and evolutionary origin but not necessarily in function. 〔生〕（器官）同源的（位置、结构或生物起源相似，但功能不一定相似） a seal's flipper is homologous with the human arm 海豹的鳍状肢与人的胳膊是同源的。常与ANALOGOUS 相对。 Often contrasted with analogous Example sentencesExamples Structures normally found at the nonmutant leaf edge are absent from the affected region of the mutant leaf and leaf homologous organs. It's a homologous structure found in both fish and tetrapods. Adaptationist arguments are essential because they suggest the function of homologous and analogous physiological structures. Could it be that the parathyroid is also derived from a branchial arch, and is therefore homologous with the gills of fish? The swim bladder is homologous to the lungs of tetrapods. Synonyms similar, comparable, equivalent, like, analogous, corresponding, correspondent, parallel, matching, kindred, related, correlative, congruent, cognate 1.2Biology (of chromosomes) pairing at meiosis and having the same structural features and pattern of genes. 〔生〕（染色体）同源的 Example sentencesExamples Pairing of homologous chromosomes is confirmed in the mutant strain. Pairing is an essential step in organizing and properly distributing homologous chromosomes during meiosis. Crossing over ensures segregation of homologous chromosomes in meiosis I. This interaction is thought to be necessary for the proper pairing and segregation of homologous chromosomes during the first meiotic division. During prophase I of meiosis, homologous chromosomes align, synapse, and cross over. 1.3Chemistry (of a series of chemical compounds) having the same functional group but differing in composition by a fixed group of atoms. 〔化〕（一系列化合物）同系的 Example sentencesExamples Moreover, the level of amino acid sequence divergence between homologous proteins is relatively low, allowing us to gauge the patterns of amino acid substitution. Because of these regularities, the members of each group are known as a homologous series. Chemically they are classed as alcohols, which are representative of a homologous series. Such homologous series can provide the basis for a rational classification of sulfosalts. One approach to analyzing the contributions of the factors controlling binding is to compare binding of a series of homologous compounds. Origin Mid 17th century: via medieval Latin from Greek homologos ‘agreeing, consistent’, from homos ‘same’ + logos ‘ratio, proportion’.
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