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Diatoms are classified as eukaryotes, organisms with a nuclear envelope-bound cell nucleus, that separates them from the prokaryotes archaea and bacteria. Diatoms are a type of plankton called phytoplankton, the most common of the plankton types. Diatoms also grow attached to benthic substrates, floating debris, and on macrophytes.
denotes someone who studies a certain field (the field of _____-logy); a specialist; one who treats Greek λογιστής (logistḗs), studier, practitioner (lit., accountant) oncologist, pathologist-logy: denotes the academic study or practice of a certain field; the study of Greek -λογῐ́ᾱ (-logíā) base noun for the study of something
Meaning ā (a with a bar over it) before (from Latin ante) before: A: assessment a.a. of each (from Latin ana ana) amino acids: A or Ala – alanine; C or Cys – cysteine; D or Asp – aspartic acid; E or Glu – glutamic acid; F or Phe – phenylalanine; H or His – histidine; I or Ile – isoleucine; K or Lys – lysine; L or Leu ...
In this field, the form and structure are examined as well as the changes or developments in the organism. It is descriptive and functional. Basically, it covers the gross anatomy and the microscopic (histology and cytology) of living beings. It involves both development anatomy and the anatomy of the adult.
Biopsy – is a medical test commonly performed by a surgeon, interventional radiologist, or an interventional cardiologist involving extraction of sample cells or tissues for examination to determine the presence or extent of a disease. Biostatistics – are the application of statistics to a wide range of topics in biology.
Some pennate diatoms also exhibit a fissure along their longitudinal axis. This is known as a raphe, and is involved in gliding movements made by diatom cells; motile diatoms always possess a raphe. In terms of cell cycle , vegetative cells are diploid and undergo mitosis during normal cell division .
A frustule is the hard and porous cell wall or external layer of diatoms. The frustule is composed almost purely of silica, made from silicic acid, and is coated with a layer of organic substance, which was referred to in the early literature on diatoms as pectin, a fiber most commonly found in cell walls of plants.
Medical terminology is a language used to precisely describe the human body including all its components, processes, conditions affecting it, and procedures performed upon it. Medical terminology is used in the field of medicine .