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Protoplasm

/ˈprōtəˌplazəm/ Noun 1. The living contents of a cell that is surrounded by a plasma membrane. It is a general term for the cytoplasm. Protoplasm is composed of a mixture of small molecules such as ions, amino acids, monosaccharides and water, and macromolecules such as nucleic acids, proteins, lipids and polysaccharides. In eukaryotes, the protoplasm surrounding the cell nucleus is known as the cytoplasm and that inside the nucleus as the nucleoplasm. In prokaryotes, the material inside the plasma membrane is the bacterial cytoplasm, while in Gram-negative bacteria the region outside the plasma membrane but inside the outer membrane is the periplasm. (wikipedia.org) 2. The entire contents of a cell comprising the nucleus and the cytoplasm. It is a semi-fluid, transparent substance which is the living matter of plant and animal cells. (wiktionary.org) 3. The fluid living content of the cell that consists of two major divisions, the cytoplasm and the nucleoplasm (cell nucleus). It is composed mainly of nucleic acids, proteins, lipids, carbohydrates, and inorganic salts. (biology-online.org) 4. The organized colloidal complex of organic and inorganic substances (as proteins and water) that constitutes the living nucleus, cytoplasm, plastids, and mitochondria of the cell. (merriam-webster.com) 5. The colorless material comprising the living part of a cell, including the cytoplasm, nucleus, and other organelles. (Google Dictionary) Word origin: From German Protoplasma (1846), used by German botanist Hugo von Mohl (1805-1872),...

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Prussak’s space

Noun The small middle ear recess, bordered laterally by the flaccid part of Shrapnell’s membrane, superiorly by the scutum and lateral malleal ligament, inferiorly by the short process of the malleus, and medially by the neck of the...

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Pulmonary

/ˈpo͝olməˌnerē/  /ˈpəl-/ Noun 1. Of, relating to, affecting, or occurring in the lungs as in pulmonary tissue and pulmonary edema. (merriam-webster.com) 2. Carried on by the lungs as in pulmonary respiration. (merriam-webster.com) 3. Occurring in the pulmonary artery as in pulmonary embolism. (merriam-webster.com) Word origin: From French pulmonaire and directly from Latin pulmonarius “of the lungs,” from pulmo “lung,” cognate with Greek pleumon “lung,” Old Church Slavonic plusta, Lithuanian plauciai...

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Pulmonary

/ˈpʌlmən(ə)ri/ Adjective 1. Pertaining to, having, or affecting the lungs. (wiktionary.org) 2. Carried on by the lungs (merriam-webster.com) Word origin: From French pulmonaire and directly from Latin pulmonarius “of the lungs,” from pulmo (genitive pulmonis) “lung,” cognate with Greek pleumon “lung,” Old Church Slavonic plusta, Lithuanian plauciai “lungs,” all from PIE *pleu– “to flow, to float, to...

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Pulmonate

Adjective 1. (anatomy) Having lungs or similar organs. (wiktionary.org) 2. (biology) Of or relating to a subclass (Pulmonata) of gastropod mollusks having a respiratory sac and comprising most land snails and slugs and many freshwater snails. (merriam-webster.com) Noun 1. The Pulmonata, or “pulmonates”, are an informal group (previously an order, and before that a subclass) of snails and slugs characterized by the ability to breathe air, by virtue of having a pallial lung instead of a gill, or gills. The group includes many land and freshwater families, and several marine families. (wikipedia.org) 2. Any pulmonate mollusc. (thefreedictionary.com/) 3. (Subclass Pulmonata), any of various land, freshwater, and marine snails belonging to the class Gastropoda (phylum Mollusca) that have lost their ancestral gills and breathe instead by means of a “lung”—a highly vascularized saclike modification of the mantle cavity....

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