Search Results for: vestigial
Pleiotropy
Pleiotropy Definition When one single gene starts affecting multiple traits of living organisms, this phenomenon is known... Read More
Adaptation
Adaptation Definition In biology and ecology, adaptation refers to the process of adjusting behavior, physiology, or... Read More
Multiple alleles
Alleles are the pairs of genes occupying a specific spot called locus on a chromosome. Typically, there are only two alleles... Read More
Homologous structures
Homologous Structures Definition What are homologous structures? In biology, homologous structures are physical features... Read More
Chromosome 2
Definition noun In humans, the autosome that is considered as the second-largest, spanning more than 242 million base pairs,... Read More
Glans penis
Definition noun, plural: glans penises (anatomy) The conical expansion of the corpus spongiosum that forms the head of the... Read More
Head kidney
Head kidney --> pronephros 1. The definitive excretory organ of primitive fishes. Synonym: head kidney. 2. In the embryos... Read More
Alimentary canal
Definition of Alimentary canal What is the alimentary canal? The alimentary canal is a muscular hollow continuous tubular... Read More
Vermiform appendix
Definition noun, plural: vermiform appendixes (anatomy) A worm-shaped, vestigial process extending from the lower blind end... Read More
Penile spine
Definition noun, plural: penile spines Any of the spiny projections along the glans or the shaft of the penis Supplement The... Read More
Terminal nerve
Definition noun, plural: vagus nerves A small cranial nerve that courses anteriorly along the olfactory... Read More