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Items: 15

1.

Atrophy

Decrease in the size of a cell, tissue, organ, or multiple organs, associated with a variety of pathological conditions such as abnormal cellular changes, ischemia, malnutrition, or hormonal changes. [from MeSH]

MedGen UID:
83084
Concept ID:
C0333641
Pathologic Function
2.

Muscle atrophy

A weakening, shrinking, and loss of muscle caused by disease or lack of use. Muscle wasting decreases strength and the ability to move. [from NCI_NCI-GLOSS]

MedGen UID:
7754
Concept ID:
C0026846
Pathologic Function
3.

Skeletal muscle atrophy

The presence of skeletal muscular atrophy (which is also known as amyotrophy). [from HPO]

MedGen UID:
902598
Concept ID:
C0234958
Disease or Syndrome
4.

Absence

MedGen UID:
739164
Concept ID:
C1689985
Anatomical Abnormality
5.

Spinal muscular atrophy

Muscular weakness and atrophy related to loss of the motor neurons of the spinal cord and brainstem. [from HPO]

MedGen UID:
506049
Concept ID:
CN006358
Finding
6.

Spinal muscular atrophy

Spinal muscular atrophy (SMA) is characterized by muscle weakness and atrophy resulting from progressive degeneration and loss of the anterior horn cells in the spinal cord (i.e., lower motor neurons) and the brain stem nuclei. The onset of weakness ranges from before birth to adolescence or young adulthood. The weakness is symmetric, proximal > distal, and progressive. Before the genetic basis of SMA was understood, it was classified into clinical subtypes; however, it is now apparent that the phenotype of SMN1-associated SMA spans a continuum without clear delineation of subtypes. Poor weight gain with growth failure, restrictive lung disease, scoliosis, joint contractures, and sleep difficulties are common complications. [from GeneReviews]

MedGen UID:
7755
Concept ID:
C0026847
Disease or Syndrome
7.

Peptide Biosynthesis

The chemical reactions and pathways resulting in the formation of peptides, compounds of 2 or more (but usually less than 100) amino acids where the alpha carboxyl group of one is bound to the alpha amino group of another. This may include the translation of a precursor protein and its subsequent processing into a functional peptide. [CHEBI:16670, GOC:dph, GOC:jl] [from GO]

MedGen UID:
272130
Concept ID:
C1327133
Molecular Function
8.

Genetic translation

ribosome mediated process by which polypeptide chains are synthesized, the aminoacid sequence being completely determined by the sequence of bases in a messenger RNA, which in turn is determined by the sequences of bases in the DNA of the gene from which it was transcribed. [from CRISP]

MedGen UID:
108933
Concept ID:
C0597295
Molecular Function
9.

Neurodegenerative disease

Hereditary and sporadic conditions which are characterized by progressive nervous system dysfunction. These disorders are often associated with atrophy of the affected central or peripheral nervous system structures. [from MeSH]

MedGen UID:
101195
Concept ID:
C0524851
Disease or Syndrome
10.

Point mutation

A mutation caused by the substitution of one nucleotide for another. This results in the DNA molecule having a change in a single base pair. [from MeSH]

MedGen UID:
56498
Concept ID:
C0162735
Cell or Molecular Dysfunction
11.

Motor neuron disease

Diseases characterized by a selective degeneration of the motor neurons of the spinal cord, brainstem, or motor cortex. Clinical subtypes are distinguished by the major site of degeneration. In AMYOTROPHIC LATERAL SCLEROSIS there is involvement of upper, lower, and brainstem motor neurons. In progressive muscular atrophy and related syndromes (see MUSCULAR ATROPHY, SPINAL) the motor neurons in the spinal cord are primarily affected. With progressive bulbar palsy (BULBAR PALSY, PROGRESSIVE), the initial degeneration occurs in the brainstem. In primary lateral sclerosis, the cortical neurons are affected in isolation. (Adams et al., Principles of Neurology, 6th ed, p1089) [from MeSH]

MedGen UID:
38785
Concept ID:
C0085084
Disease or Syndrome
12.

Abnormality of the spinal cord

Your spinal cord is a bundle of nerves that runs down the middle of your back. It carries signals back and forth between your body and your brain. It is protected by your vertebrae, which are the bone disks that make up your spine. If you have an accident that damages the vertebrae or other parts of the spine, this can also injure the spinal cord. Other spinal cord problems include. - Tumors. - Infections such as meningitis and polio. - Inflammatory diseases. - Autoimmune diseases . - Degenerative diseases such as amyotrophic lateral sclerosis and spinal muscular atrophy. Symptoms vary but might include pain, numbness, loss of sensation and muscle weakness. These symptoms can occur around the spinal cord, and also in other areas such as your arms and legs. Treatments often include medicines and surgery. .  [from MedlinePlus]

MedGen UID:
11550
Concept ID:
C0037928
Disease or Syndrome
13.

Neuromuscular Diseases

Neuromuscular disorders affect the nerves that control your voluntary muscles. Voluntary muscles are the ones you can control, like in your arms and legs. Your nerve cells, also called neurons, send the messages that control these muscles. When the neurons become unhealthy or die, communication between your nervous system and muscles breaks down. As a result, your muscles weaken and waste away. The weakness can lead to twitching, cramps, aches and pains, and joint and movement problems. Sometimes it also affects heart function and your ability to breathe. Examples of neuromuscular disorders include. -Amyotrophic lateral sclerosis. -Multiple sclerosis. -Myasthenia gravis. -Spinal muscular atrophy. Many neuromuscular diseases are genetic, which means they run in families or there is a mutation in your genes. Sometimes, an immune system disorder can cause them. Most of them have no cure. The goal of treatment is to improve symptoms, increase mobility and lengthen life.  [from MedlinePlus]

MedGen UID:
10323
Concept ID:
C0027868
Disease or Syndrome
14.

Morphological abnormality of the central nervous system

A structural abnormality of the central nervous system. [from HPO]

MedGen UID:
3306
Concept ID:
C0007682
Disease or Syndrome
15.

Distal spinal muscular atrophy, autosomal recessive 4

MedGen UID:
369682
Concept ID:
C1970211
Disease or Syndrome
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