| syncytial sprout | A localised aggregation of syncytiotrophoblastic nuclei in the villi of the placenta during early pregnancy. Synonym: syncytial bud, syncytial sprout. (05 Mar 2000) |
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| syncytial trophoblast | The syncytial outer layer of the trophoblast; site of synthesis of human chorionic gonadotropin. See: trophoblast. Synonym: placental plasmodium, plasmodial trophoblast, plasmodiotrophoblast, syncytial trophoblast, syntrophoblast. Origin: syncytium + trophoblast (05 Mar 2000) |
| syncytiotrophoblast | The syncytial outer layer of the trophoblast; site of synthesis of human chorionic gonadotropin. See: trophoblast. Synonym: placental plasmodium, plasmodial trophoblast, plasmodiotrophoblast, syncytial trophoblast, syntrophoblast. Origin: syncytium + trophoblast (05 Mar 2000) |
| syncytium | <pathology> An epithelium or tissue in which there is cytoplasmic continuity between the constituent cells. (18 Nov 1997) |
| syndactyle | <ornithology, zoology> Any bird having syndactilous feet. Origin: Pref. Syn- + Gr. Finger, toe: cf. F. Syndactyle. Source: Websters Dictionary (01 Mar 1998) |
| syndactylic | <zoology> Syndactilous. Source: Websters Dictionary (01 Mar 1998) |
| syndactylism | <clinical sign, embryology> Webbing between the digits of the hands or feet. (27 Sep 1997) |
| syndactylous | <zoology> Having the toes firmly united together for some distance, and without an intermediate web, as the kingfishers; gressorial. Source: Websters Dictionary (01 Mar 1998) |
| syndactyly | <clinical sign, embryology> Webbing between the digits of the hands or feet. (27 Sep 1997) |
| syndecan | <protein> An integral membrane proteoglycan (250-300 kD) associated largely with epithelial cells. The core protein of 294 amino acids has an extracellular domain of 235 amino acids and a single transmembrane domain of 25 amino acids. The extracellular domain has up to three heparan sulphate and two chondroitin or dermatan sulphate chains plus an N linked oligosaccharide. The heparan sulphate chains bind to several proteins of the extracellular matrix, including collagens, fibronectin and tenascin. The cytoplasmic domain is thought to interact with actin filaments. Its name is derived from the Greek syndein, to bind together. (18 Nov 1997) |
| syndein | Synonym: ankyrin. Origin: G. Syndeo, to bind together, + -in (05 Mar 2000) |
| syndesis | Synonym: arthrodesis. Origin: syn-+ G. Desis, a binding (05 Mar 2000) |
| syndesmectomy | Cutting away a section of a ligament. Origin: syndesm-+ G. Ektome, excision (05 Mar 2000) |
| syndesmectopia | Displacement of a ligament. Origin: syndesm-+ G. Ektopos, out of place (05 Mar 2000) |
| syndesmitis | Inflammation of a ligament. Origin: syndesm-+ G. -itis, inflammation Syndesmitis metatarsea, inflammation of the metatarsal ligaments. (05 Mar 2000) |
| synaptic conduction |
the conduction of a nerve impulse across a synapse.
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| synovial crypt |
a pouch in the synovial membrane of a joint.
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| synchronous pacing |
cardiac pacing in which information about sensed activity in one or more cardiac chambers is used to determine the timing of impulse generation by the pacemaker.
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| synchronous pacemaker |
an implanted cardiac pacemaker that synchronizes the electromechanical events in the atrium with those of the ventricle by delivering stimuli in response to sensed activity in the atrium, ventricle, or both.
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| syncytial endometritis |
a post-pregnancy condition consisting of a benign tumor-like lesion with infiltration of the uterine wall by large syncytial trophoblastic cells; called also syncytioma.
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| SYN | become fused |
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| SYN | a mass of cytoplasm containing several nuclei and enclosed in a membrane but no internal cell boundaries (as in muscle fibers) |
| SYN | birth defect (in humans) in which there is partial or total webbing connecting two or more fingers or toes |
| SYN | birth defect (in humans) in which there is partial or total webbing connecting two or more fingers or toes |
| SYN | (grammar) connected by a conjunction |
| SYN | one appointed to represent a city or university or corporation in business transactions |
| SYN | a radical political movement that advocates bringing industry and government under the control of labor unions |
| SYN | an advocate of anarchism |
| SYN | an association of companies for some definite purpose |
| SYN | a loose affiliation of gangsters in charge of organized criminal activities |
| SYN | a news agency that sells features or articles or photographs etc. to newspapers for simultaneous publication |
| SYN | sell articles, television programs, or photos to several publications or independent broadcasting stations |