The middle limb segment of the pectoral free limb, between the autopod and stylopod segments. Includes as parts the forelimb zeugopodial skeleton, which includes as parts the radius and ulna, or their cartilage precursors, or evolutionary variants. [ PHENOSCAPE:curators ]

Synonyms: middle limb segment of proximal segment of free upper limb forelimb zeugopodium forelimb zygopod middle limb segment of forelimb lower arm zeugopod of brachial region lower segment of arm brachial region middle limb segment regio antebrachialis middle limb segment of brachial region arm middle limb segment arm zeugopod zeugopod of forelimb antebrachium middle limb segment of arm brachial region zeugopod zeugopod of arm intermediate segment of free upper limb antebrachial region forearm zeugopod of proximal segment of free upper limb antibrachium forelimb epipodium

This is just here as a test because I lose it

Term information

database cross reference

uberon_slim, efo_slim, pheno_slim

depicted by


external definition

The middle forelimb region. [Evolution, Fourth_Edition_(2006)_Boston_etc.:_McGraw-Hill, Function, Vertebrates:_Comparative_Anatomy, p.321, see_Kardong_KV][VHOG]

has narrow synonym

wing zeugopod

has related synonym


fore epipodium

homology notes

Most anatomists now agree that the three proximal bones of the tetrapod limbs are homologous to the two or three proximal elements of the paired fin skeleton of other sarcopterygians, that is the humerus-femur, radius-tibia, and ulna-fibula.[well established][VHOG]



terminology notes

Naming conventions for pod terms under discussion within phenoscape group. TODO - add distinct term for skeleton and place AAO class here