| pericentriolar region | <cell biology> Rather amorphous region of electron dense material surrounding the centriole in animal cells: the major microtubule organising centre of the cell. (18 Nov 1997) |
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| perichaeth | <botany> The leafy involucre surrounding the fruit stalk of mosses; perichaetium; perichete. See: Perichaetium. Source: Websters Dictionary (01 Mar 1998) |
| perichaetial | <botany> Of or pertaining to the perichaeth. Source: Websters Dictionary (01 Mar 1998) |
| perichaetium | Origin: NL, fr. Gr. About + flowing hair, foliage. <botany> Same as Perichaeth. Source: Websters Dictionary (01 Mar 1998) |
| perichaetous | <zoology> Surrounded by setae; said of certain earthworms (genus Perichaetus). See: Perichaetium. (01 Mar 1998) |
| perichareia | Rarely used term for delirious rejoicing. Origin: G. Excessive joy, fr. Chairo, to rejoice (05 Mar 2000) |
| pericholangitis | Inflammation of the tissues around the bile ducts. Synonym: periangiocholitis. Origin: peri-+ G. Chole, bile, + angeion, vessel, + -itis, inflammation (05 Mar 2000) |
| perichondral | Perichondrial Relating to the perichondrium. (05 Mar 2000) |
| perichondral bone | In the development of a long bone a collar or cuff of osseous tissue forms in the perichondrium of the cartilage model; the connective tissue membrane of this perichondral bone then becomes periosteum. Synonym: periosteal bone. (05 Mar 2000) |
| perichondrial | <anatomy> Of or pertaining to the perichondrium; situated around cartilage. Source: Websters Dictionary (01 Mar 1998) |
| perichondrial cell | <pathology> Cell of the perichondrium, the fibrous connective tissue surrounding cartilage. (18 Nov 1997) |
| perichondritis | <medicine> Inflammation of the perichondrium. Origin: NL. See Perichondrium, and -itis. Source: Websters Dictionary (01 Mar 1998) |
| perichondrium | <anatomy> The membrane of fibrous connective tissue which closely invests cartilage, except where covering articular surfaces. Origin: NL, fr. Gr. Around + cartilage. Source: Websters Dictionary (01 Mar 1998) |
| perichord | Sheath of the notochord. (05 Mar 2000) |
| perichordal | Relating to the perichord. (05 Mar 2000) |