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Ulna

Ulna

(Science: anatomy) The bigger of the two bones that comprise the forearm ( the smaller one is the radius). The largest aspect articulates with the humerus at the elbow joint and the smallest portion of the ulna articulates with the carpal bones in the wrist. The inner and longer of the two bones of the human forearm.A bone found in the arm of tetrapods which articulates proximally with the humerus.


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Re:

... Actually now as you said that, it does look bit like a leg, since in the arm the radius and ulna are much more closer in size than what are the tibia and fibula in the shin, and there is quite apparent neck and head visible on the upper part ...

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by biohazard
Wed Dec 19, 2012 10:28 am
 
Forum: Human Biology
Topic: Need help identifying these bones
Replies: 10
Views: 6185

Need help identifying these bones

Indeed, that does not look like a bone of your regular four-legged animal, since they usually have elongated radius and ulna, and shortened humerus (and the same applies for the hind legs as well). Unfortunately the palm is missing and without that my expertise is not enough to tell ...

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by biohazard
Tue Dec 18, 2012 11:24 am
 
Forum: Human Biology
Topic: Need help identifying these bones
Replies: 10
Views: 6185

Half Skulls and Forelimb Sets

... each animal's life style? 7-How do phalanges differ among fish, frogs, birds, and tetra pod mammals (such as the rabbit or cat)? How do Radii and ulna differ? Describe how the phalanges, radius, and ulna are adapted to the function of each forelimb. 8-how does the orientation of the joint between ...

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by yamana
Tue Mar 23, 2010 5:10 pm
 
Forum: General Discussion
Topic: Half Skulls and Forelimb Sets
Replies: 0
Views: 2992

Frog Skeleton Help

... Leadmon Pudisynaphsia Pectoral Girdle Suprascapula Scapula Clavicle Sternum Epidernum Forelimb Humerus Deltoid Capxils Metacarpals Phalanges Radio-Ulna Skull Ventral View Parsy brand Pterygoid Venier Hyoid Arterior Cornea Alary processes Body Thyroid Lower Jaw Mateodeblim Donary processes Angalo-sphenial ...

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by jemokn
Mon Sep 15, 2008 1:58 pm
 
Forum: Zoology Discussion
Topic: Frog Skeleton Help
Replies: 1
Views: 30942

SENI biometric analysisextinct Scincidae Genus Macroscincus

... utilized with Macroscincus coctei to determine it's ecological niche. The SENI is a ratio based on anterior foot length at the junction of the ulna/radius-carpal bones to the longest digit divided by the snout to vent length {SVL} (B. Schnirel, 2003). It had been determined that a relationship ...

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by Brian - LCRC
Sat Aug 26, 2006 1:24 pm
 
Forum: Evolution
Topic: SENI biometric analysisextinct Scincidae Genus Macroscincus
Replies: 0
Views: 3003
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