| conjunctival reflex | Closure of the eyes in response to irritation of the conjunctiva. (05 Mar 2000) |
|---|---|
| conjunctival ring | A narrow ring at the junction of the periphery of the cornea with the conjunctiva. Synonym: annulus conjunctivae. (05 Mar 2000) |
| conjunctival sac | The space bound by the conjunctival membrane between the palpebral and bulbar conjunctiva; into which the lacrimal fluid is secreted; it opens anteriorly between the eyelids. Synonym: saccus conjunctivae. (05 Mar 2000) |
| conjunctival varix | A varicose condition of the veins of the conjunctiva. Synonym: conjunctival varix. Origin: L. Dim. Of varix (05 Mar 2000) |
| conjunctival veins | The veins of the conjunctiva which drain primarily to the ophthalmic veins. Synonym: venae conjunctivales. (05 Mar 2000) |
| posterior conjunctival artery | <anatomy, artery> One of a series of branches from the arterial arches of the upper and lower eyelids that supplies the conjunctiva. Synonym: arteria conjunctivalis posterior, conjunctival arteries. (05 Mar 2000) |
| semilunar conjunctival fold | The semilunar fold formed by the palpebral conjunctiva at the medial angle of the eye, a fold of the conjunctival mucous membrane found in many animals; normally partially hidden in the medial canthus of the eye when at rest, it may be extended to cover part or all of the cornea in a winking-like action to clean the cornea, as in birds. Synonym: membrana nictitans, nictitating membrane, palpebra III, palpebra tertia, third eyelid. Synonym: plica lunata, plica semilunaris of eye, semilunar conjunctival fold. (05 Mar 2000) |
| lymphoid | Composed of lymphatic tissue. (27 Sep 1997) |
| lymphoid cell | <haematology, pathology> Cells derived from stem cells of the lymphoid lineage: large and small lymphocytes, plasma cells. (18 Nov 1997) |
| lymphoid haemoblast of Pappenheim | The earliest of four stages in development of the normoblast. See: erythroblast. Synonym: lymphoid haemoblast of Pappenheim, proerythroblast, rubriblast. (05 Mar 2000) |
| lymphoid hypophysitis | lymphocytic hypophysitis |
| lymphoid interstitial pneumonia | A rare disease characterised by interstitial accumulation of lymphocytes in the lungs and late fibrosis; usually a result of a lymphoma, occasionally seen in AIDS, especially. In children. Sometimes seen as an autoimmune disorder. Synonym: lymphocytic interstitial pneumonia, lymphoid interstitial pneumonia. (05 Mar 2000) |
| lymphoid interstitial pneumonitis | <pathology> A form of pneumonia which is characterised by diffuse interstitial infiltrates and infiltration of lymphocytes into the lung tissue. (27 Sep 1997) |
| lymphoid leukaemia | <haematology, oncology> An acute form of childhood leukaemia characterised by the development of abnormal cellsdevelop in the bone marrow and lymphoblasts are found in blood-formingtissues. A type of chronic leukaemia found most often in the elderly, it is characterised by the presence of mature lymphocytes in the blood. Origin: Gr. Haima = blood (13 Nov 1997) |
| lymphoid polyp | Benign polyp consisting of aggregates of lymphocytes in the rectum. (05 Mar 2000) |