| promegaloblast |
the earliest developmental form in the abnormal red cell maturation sequence occurring in vitamin B12 and folic acid deficiencies; it corresponds to the pronormoblast, but differs from it by its larger size, abundant basophilic cytoplasm, and reticulated, unclumped nuclear chromatin. Several nucleoli are usually present.
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| promethazine hydrochloride |
[USP] a phenothiazine derivative having marked antihistaminic activity as well as sedative and antiemetic actions; used to provide bedtime, surgical, and obstetrical sedation, to potentiate the action of central depressants, to treat allergic conditions including rhinitis, conjunctivitis, and pruritic skin disorders, to manage nausea, vomiting, and vertigo associated with surgery, pregnancy, and motion sickness, and as an ingredient in cough and cold preparations; administered orally, rectally, intramuscularly, and intravenously.
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| promethium |
the radioactive metallic chemical element of atomic number 61, atomic weight 147.
Ãâó: www.mercksource.com/pp/us/cns/cns_health_library.j...
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| Prometrium |
trademark for a preparation of progesterone.
Ãâó: www.mercksource.com/pp/us/cns/cns_health_library.j...
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| promine |
a substance widely distributed in animal cells, characterized by its ability to promote cell division and growth. Cf. retine.
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