calcar avis


calcar

 [kal´kar] 1. spur.2. a spur-shaped structure.calcar a´vis an eminence on the medial wall of the occipital horn of the lateral ventricle, below the bulb of the occipital horn, produced by lateral extension of the calcarine sulcus.

calcarine spur

[TA] the lower of two elevations on the medial wall of the posterior horn of the lateral ventricle of the brain, caused by the depth of the calcarine sulcus. Synonym(s): calcar avis [TA], Haller unguis, hippocampus minor, minor hippocampus, Morand spur, unguis avis

Haller,

Albrecht von, Swiss physiologist, 1708-1777. Haller annulus - Synonym(s): Haller insulaHaller ansa - Synonym(s): communicating branch of facial nerve with glossopharyngeal nerveHaller archesHaller circle - (1) a network of branches of the short ciliary arteries on the sclera around the point of entrance of the optic nerve. Synonym(s): vascular circle of optic nerve; (2) a venous plexus in the areola surrounding the nipple.Synonym(s): areolar venous plexusHaller cones - the coiled portion of the efferent ductules that constitute the head of the epididymis. Synonym(s): lobules of epididymisHaller habenula - rarely used term for the cordlike remains of the vaginal process of the peritoneum. Synonym(s): Scarpa habenulaHaller insula - a doubling of the thoracic duct for part of its course through the thorax. Synonym(s): Haller annulusHaller line - a thickened band of pia mater along the midline of the anterior surface of the spinal cord. Synonym(s): linea splendensHaller plexus - a nervous plexus of sympathetic filaments and branches of the external laryngeal nerve on the surface of the inferior constrictor muscle of the pharynx.Haller rete - the network of canals at the termination of the straight tubules in the mediastinum testis. Synonym(s): rete testisHaller tripod - abdominal artery. Synonym(s): celiac trunkHaller tunica vasculosa - the vascular, pigmentary, or middle coat of the eye, comprising the choroid, ciliary body, and iris. Synonym(s): vascular tunic of eyeHaller unguis - the lower of two elevations on the medial wall of the posterior horn of the lateral ventricle of the brain. Synonym(s): calcar avisHaller vas aberrans - a narrow, coiled tubule frequently connected to the first part of the ductus deferens or to the lower part of the ductus epididymitis. Synonym(s): inferior aberrant ductuleHaller vascular tissue - the outer portion of the choroid of the eye containing the largest blood vessels. Synonym(s): vascular lamina of choroid

Morand,

Sauveur F., French surgeon, 1697-1773. Morand foot - a foot having eight toes.Morand spur - the lower of two elevations on the medial wall of the posterior horn of the lateral ventricle of the brain. Synonym(s): calcar avis