| abscess |
a collection of pus in body tissue, usu. surrounded by an inflamed area. [1/2 definitions] |
| acupressure |
a medical technique that seeks to stop bleeding by placing needles in the tissue next to a bleeding vessel. [1/2 definitions] |
| adenoid |
(usually plural) a mass of tissue that grows behind the nose in the upper part of the throat. When swollen, the adenoids can make breathing difficult. |
| allograft |
a tissue graft in which the donor and recipient are of the same species but are genetically different. |
| amphioxus |
a tiny fishlike marine organism characterized by a primitive vertebra and dorsal nerve tissue; lancelet. |
| amyloid |
a result of the degeneration of body tissue, occurring in the form of a hard waxy protein deposit. [1/3 definitions] |
| aplasia |
incomplete or faulty development of an organ or tissue. |
| aplastic |
pertaining to the incomplete or faulty development of an organ or tissue. |
| appendix |
a short, closed tube of tissue that grows out of the large intestine. The appendix is on the right side of the lower abdomen. [1/2 definitions] |
| areola |
a small space between cells and fibers in connective tissue, as among small veins in a leaf. [1/2 definitions] |
| asbestosis |
a chronic lung disease marked by thickening and scarring of the lung tissue that is caused by prolonged exposure to asbestos. |
| assimilation |
in biology, the process by which foods or nutrients taken into the organism are transformed into living tissue. [1/3 definitions] |
| astringent |
a substance or drug that contracts body tissue and slows discharge or secretion. [1/4 definitions] |
| basophil |
a tissue, substance, or cell, esp. a white blood cell, that readily takes on basic dyes. |
| bast |
the strong fibrous outer layer of certain plant stems, such as flax or hemp, consisting of phloem tissue, and used in manufacturing cordage or woven goods. [2 definitions] |
| biopsy |
the cutting of tissue from an animal or person for study, esp. in seeking evidence of disease. |
| blastema |
an undifferentiated or primitive mass of cells, as in an embryo or regenerating organ, that is capable of becoming organized into a specific tissue or organ. |
| body |
all the physical material that makes up a person or animal, including limbs, organs, tissue, and other parts. [1/5 definitions] |
| bone |
the hard tissue that forms the skeleton of a person or animal. [1/2 definitions] |
| bone marrow |
the the soft fatty tissue at the core of most bones, where many types of blood cells form and mature before entering the blood stream. |
| bull nose |
a contagious disease in pigs caused by a bacterial infection and marked by a kind of swelling in the snout and mouth that destroys tissue. |