( ( Thoracica externa ( Thoracalis ( ( Arteria thoracica ( Thoracica inferior ( longa ( ( Mammaria interna ( Circumflex humeralis posterior Brachialis profunda ( Collateral ulnaris ( Collateral radialis The cord-like remnant of the _ductus botalli_, or embryonal connection between the lung arterial trunk and the anterior aorta, has been observed but is rare in grown birds. The arteries, the veins, and the lymphatic vessels of birds anastomose far more frequently than those of mammals. BRANCHES OF THE ARTERIA CAROTIS CEREBRALIS INTERNA ( Occipitalis ( Occipitalis sublimis ( ( Occipitalis profunda ( Meningea ( ( Temporalis ( ( ( Rete temporale ( Ophthalmica ( Recurrent ophthalmicum ( Rete ethmoidalis ( externa ( Ethmoidalis ( ( Plexus palpebralis ( ( Plexus alveolaris inferior ( ( Plexus muscularis Carotis cerebralis ( Plexus temporalis ( Plexus lacrimalis ( ( Ramus ciliaris posticus ( ( Meningea media ( ( ( Sphenoidea ( Ethmodalis ( ( Spheno-maxillaris ( Ethmoidalis ( externa ( ( ( Ophthalmica ( ( Ethmoidalis ( ( ( interna ( ( interna ( Cerebralis ( ( ( Ramus ( Sylviæ ( anterior ( Cerebralis profunda ( Choroid plexus ( Arteria centralis retinæ ( Ramus posterior BRANCHES OF THE ARTERIA CAROTIS EXTERNA ( Hyoidea Carotis externa ( Laryngea superior ( Facialis ( Lingualis BRANCHES OF THE ARTERIA CAROTIS FACIALIS ( Auricularis Facialis ( Facialis interna ( Alveolaris inferior ( Mentalis ( Maxillaris interna ( Facialis externa BRANCHES OF THE CAROTID TRUNK