| SLS | segment long-spacing; short-leg splint; single limb support; Sjogren-Larsson syndrome; stagnant loop... |
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| LA | lactic acid; large amount; laser angioplasty; late abortion; late antigen; latex agglutination; left... |
| LAS | laboratory automation system; lateral amyotrophic sclerosis; laxative abuse syndrome; left anterior-... |
| LE | lactate extraction; left ear; left eye; leukocyte elastase; leukoerythrogenic; live embryo; Long Eva... |
| LRT | local radiation therapy; long terminal repeat; lower respiratory tract |
| bones of visceral cranium | The facial skeleton, consisting of bones situated between the cranial base and the mandibular region. While some consider the facial bones to comprise the hyoid, palatine, and zygomatic bones, mandible, and maxilla, others include also the lacrimal and nasal bones, inferior nasal concha, and vomer but exclude the hyoid bone. (12 Dec 1998) |
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| Breschet's bones | One of the small ossicles occasionally found in the ligaments of the sternoclavicular articulation. Synonym: Breschet's bones, episternal bone, suprasternal bone. (05 Mar 2000) |
| brittle bones | <orthopaedics, paediatrics> A group of genetic diseases of the bones. Divided into four types all result in brittle and frail bones. Multiple broken bones are common. Other features include deafness, white of the eyes appear bluish, kyphosis, kyphoscoliosis, tooth abnormalities, chest deformities and short stature. There is no specific treatment. Genetic counseling is important for families with the disease. (27 Sep 1997) |
| marble bones | The formation of abnormally dense bone, as opposed to osteoporosis. (18 Nov 1997) |
| carpal bones | Eight bones arranged in two rows that articulate proximally with the radius and indirectly with the ulna, and distally with the five metacarpal bones; in domestic mammals, the bones of the proximal row are called radial, intermediate, ulnar, and accessory, while those of the distal row are termed first, second, third, and fourth carpal bones. Synonym: carpus, ossa carpi. (05 Mar 2000) |
| Riolan's bones | Several small sutural bone's sometimes present in the petro-occipital suture. (05 Mar 2000) |
| metatarsal bones | The five long bones of the metatarsus articulating with the tarsal bones proximally and the toes (phalanges) distally. (12 Dec 1998) |
| wormian bones | <radiology> Small ossicles within cranial suture lines, osteogenesis imperfecta, cleidocranial dysostosis, cretinism, idiopathic, Down syndrome, hypophosphatasia, Menkes kinky-hair syndrome, progeria, pyknodysostosis (12 Dec 1998) |
| wormian bones mnemonic | <radiology> P pyknodysostosis, O osteogenesis imperfecta, R rickets in healing phase, K kinky hair syndrome, C cleidocranial dysplasia, H hypothyroidism / hypophosphatasia, O otopalatodigital syndrome, P primary acro-osteolysis (Hadju-Cheney) / pachydermoperiostosis, S syndrome of Down (12 Dec 1998) |
| cranial bones | The paired inferior nasal concha, lacrimal, maxilla, nasal, palatine, parietal, temporal, and zygomatic; and the unpaired ethmoid, frontal, occipital, sphenoid, and vomer. Synonym: ossa cranii, cranial bones. (05 Mar 2000) |
| heterotopic bones | Bone's that do not belong to the main skeleton but that regularly develop in certain organs, e.g., the heart, penis, clitoris, and snout of some animals. (05 Mar 2000) |
| scroll bones | See: inferior nasal concha, middle nasal concha, superior nasal concha, supreme nasal concha. (05 Mar 2000) |
| sphenoidal turbinated bones | Paired ossicles of pyramidal shape, the spines of which are in contact with the medial pterygoid lamina, the bases forming the roof of the nasal cavity. Synonym: conchae sphenoidales, Bertin's bones, Bertin's ossicles, sphenoidal turbinated bones. (05 Mar 2000) |
| sutural bones | Small irregular bones found along the sutures of the cranium, particularly related to the parietal bone. Synonym: ossa suturarum, Andernach's ossicles, epactal bones, epactal ossicles, wormian bones. (05 Mar 2000) |
| tarsal bones | The seven bones which form the tarsus - namely, calcaneus, talus, cuboid, navicular, and first, second and third cuneiforms. The tarsus is a skeletal part of the foot. (12 Dec 1998) |