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Ontology Browser
Term:
Parent Terms Term With Siblings Child Terms
appendage +    
vestigial structure +    
ampullar siphon 
antenna +  
appendage musculature +  
appendage vasculature +  
appendix epididymis 
ascidian ampulla +  
clavus 
elephant trunk 
extensor muscle +  
fin +  
flexor muscle +  
foramen cecum of tongue 
haltere 
insect leg +  
metapterygial axis 
paired limb/fin +  
parapodium 
pedicellaria 
pelvic spur 
Pelvic spurs are the externally visible portion of the vestigial remnants of legs found on each side of the vent in primitive snakes, such as boas and pythons. The remnants of a pelvis and femur, which have no connection with the spine, simply 'float' in the muscle mass. The femur protrudes from the snake's body and is covered by a corneal spur, which resembles a claw. Males' spurs are generally longer and more pointed than females', and are used for clasping and tickling during courtship and mating, as well as combat with other males in some species.
plane of autotomy +  
plica semilunaris of conjunctiva 
remnant of embryonic structure +  
spine appendage +  
subdivision of organism along appendicular axis +  
tube foot +  
tunicate siphon +  
wing +  

Synonyms
Related Synonyms: anal spur ;   cloacal spur
Xrefs: Wikipedia:Pelvic_spur
Definition Sources: Wikipedia:Pelvic_spur

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