| D007962 |
Leukocytes |
White blood cells. These include granular leukocytes (BASOPHILS; EOSINOPHILS; and NEUTROPHILS) as well as non-granular leukocytes (LYMPHOCYTES and MONOCYTES). |
Blood Cells, White,Blood Corpuscles, White,White Blood Cells,White Blood Corpuscles,Blood Cell, White,Blood Corpuscle, White,Corpuscle, White Blood,Corpuscles, White Blood,Leukocyte,White Blood Cell,White Blood Corpuscle |
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| D008297 |
Male |
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Males |
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| D011162 |
Porphobilinogen |
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| D011163 |
Hydroxymethylbilane Synthase |
An enzyme that catalyzes the tetrapolymerization of the monopyrrole PORPHOBILINOGEN into the hydroxymethylbilane preuroporphyrinogen (UROPORPHYRINOGENS) in several discrete steps. It is the third enzyme in the 8-enzyme biosynthetic pathway of HEME. In humans, deficiency in this enzyme encoded by HMBS (or PBGD) gene results in a form of neurological porphyria (PORPHYRIA, ACUTE INTERMITTENT). This enzyme was formerly listed as EC 4.3.1.8 |
Porphobilinogen Ammonia-Lyase,Porphobilinogen Deaminase,Uroporphyrinogen I Synthase,Hydroxymethylbilane Synthetase,Pre-uroporphyrinogen Synthetase,Preuroporphyrinogen Synthetase,Ammonia-Lyase, Porphobilinogen,Deaminase, Porphobilinogen,Porphobilinogen Ammonia Lyase,Pre uroporphyrinogen Synthetase,Synthase, Hydroxymethylbilane,Synthase, Uroporphyrinogen I,Synthetase, Hydroxymethylbilane,Synthetase, Pre-uroporphyrinogen,Synthetase, Preuroporphyrinogen |
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| D011164 |
Porphyrias |
A diverse group of metabolic diseases characterized by errors in the biosynthetic pathway of HEME in the LIVER, the BONE MARROW, or both. They are classified by the deficiency of specific enzymes, the tissue site of enzyme defect, or the clinical features that include neurological (acute) or cutaneous (skin lesions). Porphyrias can be hereditary or acquired as a result of toxicity to the hepatic or erythropoietic marrow tissues. |
Porphyria,Porphyrin Disorder,Disorder, Porphyrin,Disorders, Porphyrin,Porphyrin Disorders |
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| D011166 |
Porphyrins |
A group of compounds containing the porphin structure, four pyrrole rings connected by methine bridges in a cyclic configuration to which a variety of side chains are attached. The nature of the side chain is indicated by a prefix, as uroporphyrin, hematoporphyrin, etc. The porphyrins, in combination with iron, form the heme component in biologically significant compounds such as hemoglobin and myoglobin. |
Porphyrin |
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| D002648 |
Child |
A person 6 to 12 years of age. An individual 2 to 5 years old is CHILD, PRESCHOOL. |
Children |
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| D002675 |
Child, Preschool |
A child between the ages of 2 and 5. |
Children, Preschool,Preschool Child,Preschool Children |
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| D003305 |
Coproporphyrinogens |
Porphyrinogens which are intermediates in the heme biosynthesis. They have four methyl and four propionic acid side chains attached to the pyrrole rings. Coproporphyrinogens I and III are formed in the presence of uroporphyrinogen decarboxylase from the corresponding uroporphyrinogen. They can yield coproporphyrins by autooxidation or protoporphyrin by oxidative decarboxylation. |
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| D004912 |
Erythrocytes |
Red blood cells. Mature erythrocytes are non-nucleated, biconcave disks containing HEMOGLOBIN whose function is to transport OXYGEN. |
Blood Cells, Red,Blood Corpuscles, Red,Red Blood Cells,Red Blood Corpuscles,Blood Cell, Red,Blood Corpuscle, Red,Erythrocyte,Red Blood Cell,Red Blood Corpuscle |
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