| periarticular abscess | An abscess surrounding a joint, not necessarily involving it. (05 Mar 2000) |
|---|---|
| periastron | <astronomy> That point, in the real or apparent orbit of one star revolving around another, at which the former is nearest to the latter. Origin: NL, fr. Gr. About + a star. Source: Websters Dictionary (01 Mar 1998) |
| periatrial | Surrounding the atrium of the heart. Synonym: periauricular. (05 Mar 2000) |
| periauricular | Synonym: periatrial. Synonym: periconchal. 3. Around the external ear. (05 Mar 2000) |
| periaxial | Surrounding an axis. (05 Mar 2000) |
| periaxillary | Around the axilla. Synonym: periaxillary. (05 Mar 2000) |
| periaxonal | Surrounding the axon of a nerve. Origin: peri-+ G. Axon, axis (05 Mar 2000) |
| peribacteroid membrane | <plant biology> Membrane derived from the plasma membrane of a plant cell and that surrounds the nitrogen fixing bacteroids in legume root nodules. Has a high lipid content and may regulate the passage of material from the plant cell cytoplasm to the symbiotic bacterial cell. The idea that it restricts leghaemoglobin to the peribacteroid space seems untenable since leghaemoglobin is found in the cytoplasm of some cells. (18 Nov 1997) |
| periblast | <biology> The protoplasmic matter which surrounds the entoblast, or cell nucleus, and undergoes segmentation. Periblas"tic. Origin: Gr. To grow around. See Peri-, and -blast. Source: Websters Dictionary (01 Mar 1998) |
| periblem | <botany> Nascent cortex, or immature cellular bark. Origin: Pref. Peri- + root of Gr. To sprout. Source: Websters Dictionary (01 Mar 1998) |
| peribranchial | <anatomy> Surrounding the branchiae; as, a peribranchial cavity. <anatomy> Around the bronchi or bronchial tubes; as, the peribronchial lymphatics. Source: Websters Dictionary (01 Mar 1998) |
| peribronchial | Surrounding a bronchus or the bronchi. (05 Mar 2000) |
| peribronchiolar | Surrounding the bronchioles. (05 Mar 2000) |
| peribronchiolitis | Inflammation of the tissues surrounding the bronchioles. (05 Mar 2000) |
| peribronchitis | Inflammation of the tissues surrounding the bronchi or bronchial tubes. (05 Mar 2000) |