| bone marrow suppression | <oncology, pharmacology> A side effect of many anticancer and antiviral drugs, including AZT. Bone marrow suppression leads to a decrease in white blood cells, red blood cells and platelets. Such reductions in turn result in anaemia, bacterial infections and spontaneous or excess bleeding. (09 Oct 1997) |
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| bone marrow transplant | <procedure> A procedure in which a section of bone marrow is taken from one person and transplanted into another. It is used to replace bone marrow that has been damaged or diseased. It can be a treatment option in leukaemia. Acronym: BMT (16 Dec 1997) |
| bone marrow transplantation | <oncology, procedure> Treatment in which healthy bone marrow replaces bone marrow that has been affected by a disease or by treatment for a disease. Acronym: BMT (12 May 1997) |
| red bone marrow | Bone marrow in which the meshes contain the developmental stages of erythrocytes, leukocytes, and megakaryocytes. Synonym: medulla ossium rubra. (05 Mar 2000) |
| syngeneic bone marrow transplant | <haematology, oncology, procedure> Transplant in which an identical twin is the bone marrow donor. (19 Jan 1998) |
| yellow bone marrow | Bone marrow in which the meshes of the reticular network are filled with fat. Synonym: medulla ossium flava. (05 Mar 2000) |
| marrow | 1. <anatomy> The tissue which fills the cavities of most bones; the medulla. In the larger cavities it is commonly very fatty, but in the smaller cavities it is much less fatty, and red or reddish in colour. 2. The essence; the best part. "It takes from our achievements . . . The pith and marrow of our attribute." (Shak) 3. [OE. Maru, maro; perh. A different word; cf. Gael. Maraon together] One of a pair; a match; a companion; an intimate associate. "Chopping and changing I can not commend, With thief or his marrow, for fear of ill end. <botany>" (Tusser) Marrow squash See Spinal cord, under Spinal. Origin: OE. Marou, mary, maruh, AS. Mearg, mearh; akin to OS. Marg, D. Merg, G. Mark, OHG. Marg, marag, Icel. Mergr, Sw. Merg, Dan. Marv, Skr. Majjan; cf. Skr. Majj to sink, L. Mergere. Cf. Merge. Source: Websters Dictionary (01 Mar 1998) |
| marrow canal | The chamber of the dental pulp lying within the root portion of a tooth. Synonym: canalis radicis dentis, marrow canal, pulp canal. (05 Mar 2000) |
| marrow cell | Any cell of bone marrow, especially haemopoietic cell's. (05 Mar 2000) |
| marrow-lymph gland | A type of haemal node, resembling the bone marrow in structure and probable function. (05 Mar 2000) |
| spinal marrow | <anatomy> Elongated, approximately cylindrical part of the central nervous system of vertebrates that lies in the vertebral canal and from which the spinal nerves emerge. (18 Nov 1997) |
| osteoporotic marrow defect | Focal osteoporotic bone marrow defect of the jaw; a focal radiolucent defect composed of normal marrow. (05 Mar 2000) |
| bone within a bone | <radiology> STOP heavy metal, S: sickle cell disease, T: Thorotrast, O: osteopetrosis, P: Paget's disease, heavy metals, hypervitaminosis D (12 Dec 1998) |
| acute reflex bone atrophy | Atrophy of bones, commonly of the carpal or tarsal bones, following a slight injury such as a sprain. See: causalgia, reflex sympathetic dystrophy. Synonym: acute reflex bone atrophy, posttraumatic osteoporosis, Sudeck's syndrome. Origin: L. English sweat (05 Mar 2000) |
| air-bone gap | The difference between the threshold for hearing acuity by bone conduction and by air conduction. (05 Mar 2000) |