Anterior communicating artery - Wikipedia Anterior communicating artery Anterior communicating artery The cerebral arterial circle and arteries of the brain. The anterior communicating arteries ( top of figure ) connect the left and right anterior cerebral arteries. Details Identifiers Latin Arteria communicans anterior TA A12. 2.07. 029 FMA 50169 Anatomical terminology ( edit on Wikidata ) In human anatomy, the anterior communicating artery is a blood vessel of the brain that connects the left and right anterior cerebral arteries. The anterior communicating artery connects the two anterior cerebral arteries across the commencement of the longitudinal fissure. Sometimes this vessel is wanting, the two arteries joining together to form a single trunk, which afterward divides ; or it may be wholly, or partially, divided into two. Its length averages about 4 mm, but varies greatly. It gives off some of the anteromedial ganglionic vessels, but these are principally derived from the anterior cerebral artery. It is part of the cerebral arterial circle, also known as the circle of Willis. Pathology Aneurysms of the anterior communicating artery are the most common circle of Willis aneurysm and can cause visual field defects such as bitemporal heteronymous hemianopsia ( due to compression of the optic chiasm ), psychopathology and frontal lobe pathology. The arteries of the base of the brain. Anterior communicating artery at top. The temporal pole of the cerebrum and a portion of the cerebellar hemisphere have been removed on the right side. Inferior aspect ( viewed from below ). References This article incorporates text in the public domain from page 572 of the 20th edition of Gray 's Anatomy ( 1918 ) Jump up ^ Beck J, Rohde S, Berkefeld J, Seifert V, Raabe A. Size and location of ruptured and unruptured intracranial aneurysms measured by 3 - dimensional rotational angiography. Surg Neurol. 2006 Jan ; 65 ( 1 ) : 18 - 25 ; discussion 25 - 7. PMID 16378842. Jump up ^ Aoki N. Partially thrombosed aneurysm presenting as the sudden onset of bitemporal hemianopsia. Neurosurgery. 1988 Mar ; 22 ( 3 ) : 564 - 6. PMID 3362325. Jump up ^ Johnson MK, O'Connor M, Cantor J. Confabulation, memory deficits, and frontal dysfunction. Brain Cogn. 1997 Jul ; 34 ( 2 ) : 189 - 206. PMID 9220085. External links MedEd at Loyola Neuro / neurovasc / navigation / aca. htm Anatomy photo : 28 : 09 - 0221 at the SUNY Downstate Medical Center `` Anatomy diagram : 13048.000 - 1 ''. Roche Lexicon - illustrated navigator. Elsevier. Archived from the original on 2014 - 01 - 01. `` Anatomy diagram : 13048.000 - 3 ''. Roche Lexicon - illustrated navigator. Elsevier. Archived from the original on 2014 - 01 - 01. Arteries of the head and neck CC EC sup. thyroid superior laryngeal sternocleidomastoid branch infrahyoid branch cricothyroid branch glandular branches asc. pharyngeal posterior meningeal pharyngeal branches inferior tympanic lingual suprahyoid dorsal lingual deep lingual sublingual facial cervical branches ( ascending palatine, tonsillar, submental, glandular ) facial branches ( inferior labial superior labial / nasal septum lateral nasal angular ) occipital sternocleidomastoid meningeal occipital auricular descending post. auricular stylomastoid stapedial auricular occipital Parotid sup. temporal transverse facial middle temporal ( zygomatico - orbital ) anterior auricular frontal parietal maxillary 1st part / mandibular anterior tympanic deep auricular middle meningeal ( superior tympanic, petrosal ) accessory meningeal inferior alveolar 2nd part / pterygoid to muscles of mastication ( deep temporal, pterygoid, masseteric ) buccal 3rd part / pterygopalatine posterior superior alveolar infraorbital ( anterior superior alveolar ) descending palatine ( greater palatine, lesser palatine ) artery of the pterygoid canal sphenopalatine ( posterior septal branches, posterior lateral nasal ) pharyngeal IC cervical carotid sinus petrous Vidian caroticotympanic cavernous / ophthalmic orbital group : anterior ethmoidal posterior ethmoidal lacrimal ( lateral palpebral ) medial palpebral terminal ( supraorbital, supratrochlear, dorsal nasal ) ocular group : central retinal ciliary ( short posterior, long posterior, anterior ) Circulus arteriosus major hypophysial ( superior, inferior ) brain Circle of Willis ACA ( anterior communicating, Recurrent artery of Heubner, Orbitofrontal artery ) MCA ( anterolateral central, Prefrontal artery, Superior terminal branch, Inferior terminal branch, Anterior temporal branch ) posterior communicating anterior choroidal SC vertebral artery meningeal spinal ( posterior, anterior ) basilar : pontine labyrinthine cerebellar ( AICA, SCA, PICA ) cerebral ( PCA ) thyrocervical trunk inferior thyroid inferior laryngeal tracheal esophageal ascending cervical pharyngeal glandular branches transverse cervical superficial branch deep branch / dorsal scapular scapular anastomosis suprascapular acromial branch scapular anastomosis costocervical trunk deep cervical Supreme Intercostal artery This cardiovascular system article is a stub. You can help Wikipedia by expanding it. Anatomy portal Retrieved from `` https://en.wikipedia.org/w/index.php?title=Anterior_communicating_artery&oldid=825330763 '' Categories : Wikipedia articles incorporating text from the 20th edition of Gray 's Anatomy ( 1918 ) Arteries of the head and neck Cardiovascular system stubs Hidden categories : Pages with unresolved properties All stub articles Talk About Wikipedia Español فارسی Nederlands Polski Português 中文 Edit links This page was last edited on 12 February 2018, at 20 : 06 ( UTC ). Text is available under the Creative Commons Attribution - ShareAlike License ; additional terms may apply. By using this site, you agree to the Terms of Use and Privacy Policy. Wikipedia ® is a registered trademark of the Wikimedia Foundation, Inc., a non-profit organization. About Wikipedia

Question: where is the anterior communicating artery in the brain
Answer: connects the two anterior cerebral arteries across the commencement of the longitudinal fissure