Related:
Acrosome,
Adherens junction,
Alstrom syndrome,
Amoeboid,
Amoebozoa,
Antenna (biology),
Apicomplexa,
Apicoplast,
Archaeplastida,
Axoneme,
Bardet-Biedl syndrome,
Basal body,
Basal lamina,
Bikont,
Cadherin,
Cell (biology),
Cell junction,
Cell membrane,
Cell nucleus,
Cell wall,
Centriole,
Centrosome,
Chloroplast,
Chromalveolate,
Chromoplast,
Ciliate,
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Claudin,
Columnar epithelia,
Congenital heart disease,
Connexin,
Connexon,
Corneal epithelium,
Costamere,
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IFT,
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Kartagener's syndrome,
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Malaria,
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Meckel-Gruber syndrome,
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SEM,
Senior-Loken syndrome,
Simple columnar epithelium,
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Situs inversus,
Spindle pole body,
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Stereocilia,
Stratified columnar epithelia,
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Syndrome,
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Tonofibril,
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Tubal pregnancy,
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Undulipodia,
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Vacuole,
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Vertebrate trachea,
Vesicle (biology),
Vestigial,
Weibel-Palade body,
A cilium (plural cilia) is an organelle found in eukaryotic cells. Cilia are tail-like projections.
The acrosome is an organelle that develops over the anterior half of the head in the spermatozoa (sperm cell) of many animals. It is a cap-like structure derived from the Golgi apparatus. Acrosome formation is completed during testicular maturation. In Eutherian mammals the acrosome contains digestive enzymes (including hyaluronidase and acrosin).[1] These enzymes break down the outer membrane of the ovum called the zona pellucida, allowing the haploid nuclei in the sperm to join with the haploid nucleus found in the ova.
Adherens junctions (or zonula adherens) are protein complexes that occur at cell-cell junctions in epithelial tissues, usually more basal than tight junctions. An adherens junction is defined as a cell junction whose cytoplasmic face is linked to the actin cytoskeleton. They can appear as bands encircling the cell (zonula adherens) or as spots of attachment to the extracellular matrix (adhesion plaques).
Alström syndrome is a rare genetic disorder caused by mutations in the gene ALMS1. It is among the rarest genetic disorders in the world, as currently it has only 266 reported cases in medical literature and over 501 known cases in 47 countries. It was first described by Carl-Henry Alström in Sweden in 1959. Alstrom syndrome is sometimes confused with Bardet-Biedl syndrome, which has similar symptoms. Bardet-Biedl syndrome tends to have later onset in its symptoms.Mycetozoa (slime molds)
Archamoebae
Tubulinea
Flabellinea
Uncertain placement
Acanthopodida
Stereomyxida
etc.
Antennae (singular: antenna) in biology have historically been paired appendages used for sensing in arthropods and crustaceans. More recently, the term has also been applied to cilium structures present in many cell types of eukaryotes.The apicoplast is a relict, non-photosynthetic plastid found in most Apicomplexa, including malaria parasites such as Plasmodium falciparum, but not in others such as Cryptosporidium. It is proposed that it evolved via secondary endosymbiosis. The apicoplast is surrounded by four membranes within the outermost part of the endomembrane system.The Archaeplastida are a major line of eukaryotes, comprising the land plants, green and red algae, and a small group called the glaucophytes. All of these organisms have plastids surrounded by two membranes, suggesting they developed directly from endosymbiotic cyanobacteria. In all other groups, plastids are surrounded by three or four membranes, and were acquired secondarily from green or red algae.