| Spermatophyte | <botany> Division of the plant kingdom, consisting of plants that reproduce by means of seeds. (18 Nov 1997) |
|---|---|
| spermatopoietic | Synonym: spermatogenic. 2. Secreting semen. Origin: spermato-+ G. Poieo, to make (05 Mar 2000) |
| spermatorrhoea | <medicine> Abnormally frequent involuntary emission of the semen without copulation. Origin: NL, fr. Gr, seed + to flow. Source: Websters Dictionary (01 Mar 1998) |
| spermatoxin | A cytotoxic antibody specific for spermatozoa. Synonym: spermotoxin. (05 Mar 2000) |
| spermatozoa | Mature male germ cells, the specific output of the testes. The spermatozoon is the generative element of the semen and serves to fertilise the ovum. It consists of a head (or nucleus), a neck, a middle piece, and a tail with an end piece. Spermatzoa, formed in the seminiferous tubules, are derived from spermatogonia, which first develop into spermatocytes, which, in turn, undergo meiosis to produce spermatids; the spermatids then differentiate into spermatozoa. (12 Dec 1998) |
| spermatozoal | Spermatozoan Relating to spermatozoa. (05 Mar 2000) |
| spermatozoid | <biology> The male germ cell in animals and plants, the essential element in fertilization; a microscopic animalcule-like particle, usually provided with one or more cilia by which it is capable of active motion. In animals, the familiar type is that of a small, more or less ovoid head, with a delicate threadlike cilium, or tail. Called also spermatozoon. In plants the more usual term is antherozoid. Origin: Spermatozoon + Gr. Form. Source: Websters Dictionary (01 Mar 1998) |
| spermatozooid | <biology> A spermatozoid. Source: Websters Dictionary (01 Mar 1998) |
| spermatozoon | Mature sperm cell (male gamete). (18 Nov 1997) |
| spermaturia | <urology> The excretion of urine containing semen. Synonym: seminuria, spermaturia. (05 Mar 2000) |
| spermia | Plural of spermium. (05 Mar 2000) |
| spermicidal | Destructive to spermatozoa. Synonym: spermicidal. (05 Mar 2000) |
| spermicide | <pharmacology> An agent that is destructive to spermatozoa. (18 Nov 1997) |
| spermidine | <biochemistry> A polybasic amine. See: spermine. (18 Nov 1997) |
| spermidine acetylase | <enzyme> Froms monoacetylspermidine from acetyl-CoA and spermidine Registry number: EC 2.3.1.- (26 Jun 1999) |
| speech pathologist |
A specialist who evaluates and treats people with communication and swallowing problems. Also called a speech therapist.
출처: www.stjude.org/glossary
|
|---|---|
| specific activity |
activity per unit weight of a radioactive material, or the activity of a radioisotope per unit weight of the element (including stable isotopes) present.
출처: www.merckmedicus.com/pp/us/hcp/thcp_dorlands_conte...
|
| specific action |
the action of a drug which is exerted on a certain definite pathogenic organism.
출처: www.merckmedicus.com/pp/us/hcp/thcp_dorlands_conte...
|
| Spee curve |
curve of Spee, anatomic curvature of the occlusal alignment of teeth, beginning at the tip of the lower canine, following the buccal cusps of the natural premolars and molars, and continuing to the anterior border of the ramus. Called also Spee's curvature and curvature of Spee.
출처: www.merckmedicus.com/pp/us/hcp/thcp_dorlands_conte...
|
| speech discrimination |
ability to recognize spoken words, as measured by speech audiometry.
출처: www.merckmedicus.com/pp/us/hcp/thcp_dorlands_conte...
|
| SPE | to believe especially on uncertain or tentative grounds |
|---|---|
| SPE | talk over conjecturally, or review in an idle or casual way and with an element of doubt or without sufficient reason to reach a conclusion |
| SPE | invest at a risk |
| SPE | continuous and profound contemplation or musing on a subject or series of subjects of a deep or abstruse nature |
| SPE | a hypothesis that has been formed by speculating or conjecturing (usually with little hard evidence) |
| SPE | a message expressing an opinion based on incomplete evidence |
| SPE | an investment that is very risky but could yield great profits |
| SPE | showing curiosity |
| SPE | not based on fact or investigation |
| SPE | not financially safe or secure |
| SPE | in a speculative manner |
| SPE | financial risk |