| light cells of thyroid | Cell's present between follicles or interspersed among follicular cell's; they are rich in mitochondria and are believed to be the source of thyrocalcitonin. Synonym: C cell, light cells of thyroid. (05 Mar 2000) |
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| lobes of thyroid gland | The two major divisions of the gland lying on the right and left side of the trachea and connected by the isthmus. A smaller pyramidal lobe is frequently present as an upward extension from the isthmus. Synonym: lobi glandulae thyroideae. (05 Mar 2000) |
| lobules of thyroid gland | The subdivisions of the lobes, consisting of incompletely separated, irregular groups of thyroid follicles (20 to 40 in number) bound together by delicate connective tissue. Synonym: lobuli glandulae thyroideae. (05 Mar 2000) |
| long-acting thyroid stimulator | <endocrinology, immunology> A thyroid stimulating antibody which is directed against a receptor for TSH on the thyroid gland. This antibody acts like TSH and stimulates the thyroid to produce excessive amounts of thyroid hormone. The presence of this antibody generally indicates Grave's disease (hyperthyroidism). Acronym: LATS (15 Nov 1997) |
| lowest thyroid artery | <anatomy, artery> An inconstant artery; origin, arch of aorta or brachiocephalic artery; distribution, thyroid gland. Synonym: arteria thyroidea ima, lowest thyroid artery, Neubauer's artery. (05 Mar 2000) |
| accordion graft | A skin graft in which multiple slits have been made, so it can be stretched to cover a large area. Synonym: mesh graft. (05 Mar 2000) |
| adipodermal graft | A dermal graft with attached subcutaneous fat. Synonym: adipodermal graft. (05 Mar 2000) |
| allogeneic graft | <haematology> Grafts between two or more individuals allogeneic at one or more loci (usually with reference to histocompatibility loci). As opposed to autograft and xenograft. (18 Nov 1997) |
| anastomosed graft | A graft in which circulation is established by surgical anastomoses of blood vessels. (05 Mar 2000) |
| animal graft | A graft of tissue from an animal to a human. Synonym: animal graft, zooplastic graft. (05 Mar 2000) |
| augmentation graft | A graft of material used to increase the size, shape, or volume of a structure. (05 Mar 2000) |
| autodermic graft | A skin autograft. (05 Mar 2000) |
| autogeneic graft | <procedure> Graft taken from one part of the body and placed in another site on the same individual. (02 Jan 1998) |
| autologous graft | <procedure> Graft taken from one part of the body and placed in another site on the same individual. (02 Jan 1998) |
| autoplastic graft | <procedure> Graft taken from one part of the body and placed in another site on the same individual. (02 Jan 1998) |