| arteria communicans posterior | <anatomy, artery> Origin, internal carotid; distribution, optic tract, crus cerebri, interpeduncular region, and hippocampal gyrus; anastomoses, with posterior cerebral to form the cerebral arterial circle (circle of Willis). Synonym: arteria communicans posterior. (05 Mar 2000) |
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| macula communicans | <cell biology> A junction between two cells consisting of many pores that allow the passage of molecules up to about 900D. Each pore is formed by an hexagonal array (connexon) of six transmembrane proteins (connexins) in each plasma membrane: when mated together the pores open, allowing communication and the interchange of metabolites between cells. Electrical synapses are gap junctions and metabolic cooperation depends upon the formation of gap junctions. (18 Nov 1997) |
| communicans | Communicating; connecting or joining. Origin: L. Pres. P. Of communico, pp. -atus, to share with someone, make common (05 Mar 2000) |
| nervus communicans fibularis | The peroneal (fibular) communicating branch of the common peroneal (fibular) nerve; it arises from the common peroneal nerve in the popliteal space and passes over the lateral head of the gastrocnemius to the middle third of the leg, where it unites with the medial sural cutaneous nerve to form the sural nerve. Synonym: ramus communicans fibularis nervi fibularis communis, ramus communicans peroneus nervi peronei communis, nervus communicans fibularis, nervus communicans peroneus, peroneal anastomotic ramus, peroneal communicating nerve. (05 Mar 2000) |
| ramus | A standard medical dictionary contains over 13 pages full of entries to the word ramus. Why? because ramus in latin means a branch and all sorts of anatomic items such as blood vessels and nerves quite naturally have branches. So, for example, medicine is plagued with the likes of the ramus acetabularis arteriae circumflexae femoris medialis which is simply the branch of an artery that goes to the acetabulum (the socket) of the hip joint. (12 Dec 1998) |
| ramus acetabularis | An arterial branch that supplies the acetabulum; two arteries, the obturator and the medial femoral circumflex, have such branches. Synonym: ramus acetabularis, acetabular artery, arteria acetabuli. (05 Mar 2000) |
| ramus acromialis arteriae suprascapularis | <anatomy, artery> Branch of suprascapular artery which pierces the origin of the trapezius muscle to run to the acromion; anastomoses, acromial branch of thoracoacromial artery. Synonym: ramus acromialis arteriae suprascapularis. (05 Mar 2000) |
| ramus acromialis arteriae thoracoacromialis | <anatomy, artery> A branch of the thoracoacromial artery that runs over the coracoid process and under the deltoid muscle. Synonym: ramus acromialis arteriae thoracoacromialis, acromial artery. (05 Mar 2000) |
| ramus alveolaris superior medius nervi infraorbitalis | Synonym: middle superior alveolar branch of infraorbital nerve. (05 Mar 2000) |
| ramus anastomoticus | The anastomotic branch, a blood vessel that interconnects two neighboring vessels. It should not be used for the nervous system, because there is no analogy between a vascular anastomosing branch and a connection between nerves or their subdivisions. Synonym: ramus anastomoticus. (05 Mar 2000) |
| ramus anastomoticus arteriae meningeae mediae cum lacrimali | <anatomy, artery> A branch of the middle meningeal artery arising in the cranial cavity which runs anteriorly through the superior orbital fissure to anastomose with the lacrimal artery. See: orbital branch of middle meningeal artery. Synonym: ramus anastomoticus arteriae meningeae mediae cum lacrimali. (05 Mar 2000) |
| ramus anterior | The anterior branch of the following: great auricular nerve lateral cerebral sulcus left and right superior pulmonary veins medial cutaneous nerve of the forearm obturator artery obturator nerve renal artery right branch of portal vein right hepatic duct superior thyroid artery ulnar recurrent artery. Synonym: ramus anterior. (05 May 2002) |
| ramus anterior ascendens | The ascending anterior branch of the superior lobar branches of the left and right pulmonary arteries. Synonym: ramus anterior ascendens. (05 Mar 2000) |
| ramus anterior descendens | The descending anterior branch of the superior lobar branches of the right and left pulmonry arteries. Synonym: ramus anterior descendens. (05 Mar 2000) |
| ramus anterior lateralis | The lateral anterior branch, the former name for the ascending anterior branch of the left pulmonary artery. (05 Mar 2000) |