| Buchner funnel | A porcelain funnel that contains a perforated porcelain plate upon which filter paper can be laid. (05 Mar 2000) |
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| Martegiani's funnel | The funnel-shaped dilation on the optic disk that indicates the beginning of the hyaloid canal. Synonym: Martegiani's area. (05 Mar 2000) |
| pial funnel | The pia-lined channel in which each blood vessel entering the brain lies suspended; essentially, the pial funnel's are perivascular extensions of the subarachnoid space. (05 Mar 2000) |
| funnel | 1. A vessel of the shape of an inverted hollow cone, terminating below in a pipe, and used for conveying liquids into a close vessel; a tunnel. 2. A passage or avenue for a fluid or flowing substance; specifically, a smoke flue or pipe; the iron chimney of a steamship or the like. <chemical> Funnel box, one of the ropes or rods steadying a steamer's funnel. Origin: OE. Funel, fonel, prob. Through OF. Fr, L. Fundibulum, infundibulum, funnel, fr. Infundere to pour in; in in + fundere to pour; cf. Armor. Founil funnel, W. Ffynel air hole, chimney. See Fuse. Source: Websters Dictionary (01 Mar 1998) |
| funnel breast | Caved-in chest. Usually an unimportant isolated finding evident at birth. (Funnel chest can occasionally be part of a connective tissue disorder such as Marfan syndrome). (12 Dec 1998) |
| funnel chest | A developmental anomaly in which the lower sternum is posteriorly dislocated and concavely deformed, resulting in a funnel-shaped thorax. (12 Dec 1998) |
| funnel-shaped pelvis | A pelvis in which the pelvic inlet dimensions are normal, but the outlet is contracted in the transverse or in both transverse and anteroposterior diameters. (05 Mar 2000) |
| acute vascular occlusion | <cardiology, surgery> A serious condition that results from the sudden blockage of an artery, usually with a blood clot. (27 Sep 1997) |
| acute vascular purpura | <dermatology> This relatively rare disorder is characterised by skin purpura, joint pains, abdominal pain and renal disease (glomerulonephritis). Although Henoch-Schonlein purpura or anaphylactoid purpura, is thought to be a immune complex mediated disease, its exact cause is unknown. Its typical benign coarse can, however, include renal failure. (27 Sep 1997) |
| articular vascular circle | An anastomosis of vessels encircling a joint. See: articular vascular network. Synonym: circulus articularis vasculosus. (05 Mar 2000) |
| articular vascular network | A vascular rete in the neighborhood of a joint, where such arrangements are common, enabling a collateral circulation by which blood will be supplied distal to the joint regardless of compromises resulting from joint position. Synonym: circulus articularis vasculosus, rete vasculosum articulare, articular network. (05 Mar 2000) |
| articular vascular network of elbow | Vascular networks in the region of the elbow, composed of anastomoses between branches of the radial and middle collateral, superior and inferior ulnar collateral, radial recurrent, interosseous recurrent, and recurrent ulnar arteries. Synonym: rete articulare cubiti. (05 Mar 2000) |
| articular vascular network of knee | An arterial network over the front and sides of the knee, formed by branches of the descending genicular artery, of the five genicular arteries from the popliteal, of the anterior tibial recurrent, and of the fibular circumflex branch of the posterior tibial. Synonym: rete articulare genus. (05 Mar 2000) |
| atherosclerotic vascular disease | <cardiology> The progressive narrowing and hardening of the arteries over time. This is known to occur to some degree with aging, but other risk factors that accelerate this process have been identified. These factors include: high cholesterol, high blood pressure, smoking, diabetes and family history for atherosclerotic disease. (27 Sep 1997) |
| blood-vascular system | The heart and the blood vessels by which blood is pumped and circulated through the body. (12 Dec 1998) |