| semiluxation | The abnormal movement of one of the bones that comprise a joint. Not a true dislocation. A partial dislocation. An example of this would be radial head subluxation in the elbow (nursemaids elbow). Severe arthritis with advanced deformation of the joint space can result in subluxation. (27 Sep 1997) |
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| semimembranosus | <anatomy, muscle> Origin, tuberosity of ischium; insertion, medial condyle of tibia and by membrane to tibial collateral ligament of knee joint, popliteal fascia, and via its reflected tendon of insertion (oblique popiteal ligament) lateral condyle of femur; action, flexes knee and rotates leg medially when knee is flexed; and contributes to the stability of extended knee by making capsule of knee joint tense; nerve supply, tibial. Synonym: musculus semimembranosus. (05 Mar 2000) |
| semimembranosus reflex | Contraction of these muscles by tapping in the region of the tuberosity of the tibia. (05 Mar 2000) |
| semimembranous | Consisting partly of membrane; denoting the semimembranosus muscle. (05 Mar 2000) |
| semimetal | <chemistry> An element possessing metallic properties in an inferior degree and not malleable, as arsenic, antimony, bismuth, molybdenum, uranium, etc. Source: Websters Dictionary (01 Mar 1998) |
| semimetallic | <chemistry> Of or pertaining to a semimetal; possessing metallic properties in an inferior degree; resembling metal. Source: Websters Dictionary (01 Mar 1998) |
| seminal | A seed. 1. Pertaining to, containing, or consisting of, seed or semen; as, the seminal fluid. 2. Contained in seed; holding the relation of seed, source, or first principle; holding the first place in a series of developed results or consequents; germinal; radical; primary; original; as, seminal principles of generation; seminal virtue. "The idea of God is, beyond all question or comparison, the one great seminal principle. <botany>" (Hare) Seminal leaf Same as Spermatheca. Origin: L. Seminalis, fr. Semen, seminis, seed, akin to serere to sow: cf. F. Seminal. See Sow to scatter seed. Source: Websters Dictionary (01 Mar 1998) |
| seminal capsule | <anatomy> The paired glands at the base of the bladder that produce seminal fluid and fructose. (09 Oct 1997) |
| seminal colliculus | An elevated portion of the urethral crest upon which open the two ejaculatory ducts and the prostatic utricle. Synonym: colliculus seminalis, caput gallinaginis, colliculus urethralis, seminal hillock, verumontanum. (05 Mar 2000) |
| seminal duct | Any one of the duct's conveying semen from the epididymis to the urethra, ductus deferens, or ejaculatory duct. Synonym: gonaduct. (05 Mar 2000) |
| seminal fluid | <biology> Ejaculate. The fluid released at orgasm which contains sperm and secretions from the prostate gland. (27 Sep 1997) |
| seminal gland | <anatomy> The paired glands at the base of the bladder that produce seminal fluid and fructose. (09 Oct 1997) |
| seminal granule | One of the minute granular bodies present in the semen. (05 Mar 2000) |
| seminal hillock | An elevated portion of the urethral crest upon which open the two ejaculatory ducts and the prostatic utricle. Synonym: colliculus seminalis, caput gallinaginis, colliculus urethralis, seminal hillock, verumontanum. (05 Mar 2000) |
| seminal lake | The vault of the vagina after insemination. Synonym: seminal lake. (05 Mar 2000) |