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The foveola is located within a region called the macula, a yellowish, cone photoreceptor filled portion of the human retina.Approximately 0.35 mm in diameter, the foveola lies in the center of the fovea and contains only cone cells and a cone-shaped zone of Müller cells. [1]
biology, biological blast-germinate or bud Greek βλαστός (blastós) blastomere: blephar(o)-of or pertaining to the eyelid Greek βλέφαρον (blépharon), eyelid blepharoplasty: brachi(o)-of or relating to the arm Latin bracchium, from Greek βραχίων (brakhíōn), arm brachium of inferior colliculus: brachy-
This glossary of biology terms is a list of definitions of fundamental terms and concepts used in biology, the study of life and of living organisms.It is intended as introductory material for novices; for more specific and technical definitions from sub-disciplines and related fields, see Glossary of cell biology, Glossary of genetics, Glossary of evolutionary biology, Glossary of ecology ...
In biology, caveolae (Latin for "little caves"; singular, caveola), which are a special type of lipid raft, are small (50–100 nanometer) invaginations of the plasma membrane in the cells of many vertebrates. They are the most abundant surface feature of many vertebrate cell types, especially endothelial cells, adipocytes and embryonic ...
Medical biology is a field of biology that has practical applications in medicine, health care, and laboratory diagnostics. It includes many biomedical disciplines and areas of specialty that typically contains the "bio-" prefix such as: molecular biology, biochemistry, biophysics, biotechnology, cell biology, embryology,
The ciliates are a group of alveolates characterized by the presence of hair-like organelles called cilia, which are identical in structure to eukaryotic flagella, but are in general shorter and present in much larger numbers, with a different undulating pattern than flagella.
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In embryology, cleavage is the division of cells in the early development of the embryo, following fertilization. [1] The zygotes of many species undergo rapid cell cycles with no significant overall growth, producing a cluster of cells the same size as the original zygote.