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lameness Decreased ability or desire to bear weight on a limb due to pain or mechanical restriction of joint movement. lamina The flattened or arched part of the vertebral arch, forming the roof of the spinal canal. ►click here to learn more-This link is provided by: University of Minnesota, College of Veterinary Medicine Related Words spinal canal  ;  vertebra Larmor frequency The frequency or rate of precession of the nuclear magnetic moment (spins) and is proportional to the magnetic field strength.  Radio waves of the Larmor frequency are used to produce radiofrequency (RF) pulses in MRI. Related Words magnetic resonance imaging (MRI)  ;  radiofrequency (RF) pulses laryngeal paralysis A condition in which the nerves and muscles that move the cartilage of the larynx cease to function causing difficulty breathing and swallowing. ►click here to learn more-link provided by: www.acvim.org ►click here to learn more-link provided by: www.veterinarypartner.com Related Words larynx  ;  nerve  ;  paralysis larynx Organ in the neck which protects the trachea and involved in sound production. The larynx houses the vocal folds, and is situated just below where the tract of the pharynx splits into the trachea and the esophagus. lateral To the side of midline of the body or structure. lead poisoning A condition caused by increased lead blood levels that may cause irreversible neurological damage as well as kidney disease, cardiovascular effects, and reproductive toxicity. ►click here to learn more-link provided by: www.merckvetmanual.com Related Words blood  ;  disease  ;  kidney  ;  toxin limbic system Collectively, the structures in the brain, including the hippocampus and amygdala, involved in emotion, motivation, and emotional association with memory which influence the endocrine and autonomic nervous system. ►click here to learn more-link provided by: University of Minnesota, College of Veterinary Medicine Related Words amygdala  ;  autonomic system  ;  brain  ;  hippocampus lissencephaly An absence or reduction of cerebral gyri. ►click here to learn more-link provided by: www.merckvetmanual.com Related Words cerebral cortex  ;  gyrus liver Organ which plays major role in metabolism and has a number of functions in the body, including glycogen storage, decomposition of red blood cells, plasma protein synthesis, and detoxification of blood. ►click here to learn more-link provided by: www.peteducation.com Related Words blood  ;  plasma  ;  toxin lobe One of four major portions of the cerebral cortex (frontal, parietal, temporal, and occipital) named after the overlying cranial bones. ►click here to learn more (press>dog brain>dorsal view)-link provided by: University of Pennsylvania, School of Veterinary Medicine ►click here to learn more-link provided by: University of Minnesota, College of Veterinary Medicine Related Words cerebral cortex  ;  cranial  ;  frontal lobe  ;  occipital lobe  ;  parietal lobe  ;  temporal lobe longitudinal fissure The deep groove which separates the two hemispheres of the brain; also called sagittal sulcus. ►click here to learn more (>dog brain>dorsal view)-link provided by: University of Pennsylvania, School of Veterinary Medicine Related Words brain  ;  cerebral hemisphere  ;  sagittal  ;  sulcus lordosis Abnormal extension of the vertebral column, especially in the thoracolumbar region; can result in "dropped-back" appearance. Related Words lumbar  ;  thorax  ;  vertebral column lower motor neuron Peripheral motor neurons whose cell bodies lie in the ventral gray columns of the spinal cord and whose terminations are in skeletal muscles. Related Words cell body  ;  gray matter  ;  motor neuron  ;  peripheral nervous system (PNS)  ;  spinal cord lower motor neuron disease Disease of the peripheral nervous system, muscle or neuromuscular junction.  Signs include muscle hypotonia and muscle atrophy. ►click here to learn more-link provided by: University of Florida, College of Veterinary Medicine Related Words atrophy  ;  hypotonia  ;  neuromuscular junction  ;  peripheral nervous system (PNS)  ;  sign lumbar The part of the back between the thorax and pelvis; dogs and cats have 7 lumbar vertebrae. Related Words thorax  ;  vertebra lumbosacral spine The lumbar and sacral part of the spine. Related Words lumbar  ;  sacrum  ;  spine lumbosacral stenosis Narrowing of the spinal canal causing the intervertebral disk between the most caudal lumbar vertebra and the sacrum to bulge and compress the nerve roots (they resemble the tail of a horse) which occupy the canal below the spinal cord; compression could lead to signs such as back pain, paresis;  also called cauda equina syndrome. ►click here to learn more-link provided by: www.acvim.org ►click here to learn more-link provided by: www.peteducation.com Related Words caudal  ;  intervertebral disk  ;  lumbar  ;  nerve root  ;  paresis  ;  sacrum  ;  spinal canal  ;  spinal cord  ;  vertebra luxation Dislocation of an anatomical structure, e.g. vertebrae, eye lens, patella (i.e. kneecap). Related Words vertebra lyme disease See borreliosis. Related Words borreliosis lymphoma Neoplastic disorder beginning in the cells of the immune system, the lymphoid tissue. ►click here to learn more-link provided by: www.acvim.org ►click here to learn more (dogs)-link provided by: www.veterinarypartner.com ►click here to learn more (cats)-link provided by: www.veterinarypartner.com Related Words neoplasm