| tentaculiferous | <zoology> Producing or bearing tentacles. Origin: Tentaculum. Source: Websters Dictionary (01 Mar 1998) |
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| tentaculiform | <zoology> Shaped like a tentacle. Source: Websters Dictionary (01 Mar 1998) |
| tentaculite | <paleontology> Any one of numerous species of small, conical fossil shells found in Paleozoic rocks. They are supposed to be pteropods. Source: Websters Dictionary (01 Mar 1998) |
| tentaculocyst | <zoology> One of the auditory organs of certain medusae. Synonym: auditory tentacle. Origin: Tentaculum + cyst. Source: Websters Dictionary (01 Mar 1998) |
| tentaculum | Origin: NL. See Tentacle. 1. <zoology> A tentacle. 2. <anatomy> One of the stiff hairs situated about the mouth, or on the face, of many animals, and supposed to be tactile organs; a tactile hair. Source: Websters Dictionary (01 Mar 1998) |
| tentation | 1. Trial; temptation. 2. <mechanics> A mode of adjusting or operating by repeated trials or experiments. Origin: L. Tentatio: cf. F. Tentation. See Temptation. Source: Websters Dictionary (01 Mar 1998) |
| tenth cranial nerve | <anatomy, nerve> The vagus nerve enervates the gut (gastrointestinal tract), heart and larynx. Lesions of the tenth nerve usually result in a horse voice, but may also cause difficulty in swallowing or talking. Synonym: cranial nerve X. (27 Sep 1997) |
| tenth-value layer | <radiobiology> Thickness of a specified substance which, when introduced into the path of a given beam of radiation, reduces the absorbed dose index or dose-equivalent index to one-tenth. The magnitude of the tenth-value layer may be different for absorbed dose index and dose equivalent index. (16 Dec 1997) |
| tenthmetre | <physics> A unit for the measurement of many small lengths, such that 10^10 of these units make one meter; the ten millionth part of a millimetre. Source: Websters Dictionary (01 Mar 1998) |
| tenthredinides | <zoology> A group of Hymneoptera comprising the sawflies. Origin: NL, fr. Gr. A kind of wasp. Source: Websters Dictionary (01 Mar 1998) |
| tentorial | Relating to a tentorium. (05 Mar 2000) |
| tentorial angle | The angle made by the plane of the tentorium and the basicranial axis. (05 Mar 2000) |
| tentorial nerve | <anatomy, nerve> The tentorial branch, a branch arising in a recurrent fashion from the intracranial portion of the ophthalmic nerve supplying the tentorium and supratentorial falx cerebri. Synonym: ramus tentorii, nervus tentorii. (05 Mar 2000) |
| tentorial notch | The triangular opening in the tentorium cerebelli through which the brainstem extends from the posterior into the middle cranial fossa. Synonym: incisura tentorii, notch of tentorium. (05 Mar 2000) |
| tentorial sinus | straight sinus |