anatomical structure
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| Noun | 1. |  anatomical structure - a particular complex anatomical part of a living thing; "he has good bone structure"layer - thin structure composed of a single thickness of cells apodeme - ridge-like ingrowth of the exoskeleton of an arthropod that supports internal organs and provides attachment points for muscles caliculus, calycle, calyculus - a small cup-shaped structure (as a taste bud or optic cup or cavity of a coral containing a polyp) tooth - toothlike structure in invertebrates found in the mouth or alimentary canal or on a shell pad - the fleshy cushion-like underside of an animal's foot or of a human's finger branchial cleft, gill cleft, gill slit - one of a series of slit openings in the pharynxes of fishes and aquatic amphibians through which water passes branchial arch, gill arch, gill bar - one of the bony or cartilaginous arches on each side of the pharynx that support the gills of fishes and aquatic amphibians peristome - region around the mouth in various invertebrates syrinx - the vocal organ of a bird body part - any part of an organism such as an organ or extremity bulb - a rounded dilation or expansion in a canal or vessel or organ carina - any of various keel-shaped structures or ridges such as that on the breastbone of a bird or that formed by the fused petals of a pea blossom cauda - any taillike structure chiasm, chiasma, decussation - an intersection or crossing of two tracts in the form of the letter X cingulum - (anatomy) an encircling structure (as the ridge around the base of a tooth) concha - (anatomy) a structure that resembles a shell in shape germ - a small apparently simple structure (as a fertilized egg) from which new tissue can develop into a complete organism infundibulum - any of various funnel-shaped parts of the body (but especially the hypophyseal stalk) interstice - a small structural space between tissues or parts of an organ; "the interstices of a network" landmark - an anatomical structure used as a point of origin in locating other anatomical structures (as in surgery) or as point from which measurements can be taken limbus - a border or edge of any of various body parts distinguished by color or structure rib - a riblike supporting or strengthening part of an animal or plant blade - a broad flat body part (as of the shoulder or tongue) radicle - (anatomy) a small structure resembling a rootlet (such as a fibril of a nerve) plexus, rete - a network of intersecting blood vessels or intersecting nerves or intersecting lymph vessels tube-shaped structure, tube - (anatomy) any hollow cylindrical body structure passageway, passage - a path or channel or duct through or along which something may pass; "the nasal passages" fundus - (anatomy) the base of a hollow organ or that part of the organ farthest from its opening; "the uterine fundus"; "the fundus of the stomach" funiculus - any of several body structure resembling a cord head - that part of a skeletal muscle that is away from the bone that it moves tooth root, root - the part of a tooth that is embedded in the jaw and serves as support capsule - a structure that encloses a body part uvea - the part of the eye that contains the iris and ciliary body and choroid lens nucleus, nucleus - the central structure of the lens that is surrounded by the cortex membranous labyrinth - the sensory structures of the inner ear including the labyrinthine receptors and the cochlea; contained within the bony labyrinth bony labyrinth, osseous labyrinth - cavity in the petrous part of the temporal bone that contains the membranous labyrinth alveolar bed - lung tissue densely packed with alveoli valve - a structure in a hollow organ (like the heart) with a flap to insure one-way flow of fluid through it vascular structure - a structure composed of or provided with blood vessels lacrimal apparatus - the structures that secrete and drain tears from the eye cytoskeleton - a microscopic network of actin filaments and microtubules in the cytoplasm of many living cells that gives the cell shape and coherence nucleolar organiser, nucleolar organizer, nucleolus organiser, nucleolus organizer - the particular part of a chromosome that is associated with a nucleolus after nuclear division centromere, kinetochore - a specialized condensed region of each chromosome that appears during mitosis where the chromatids are held together to form an X shape; "the centromere is difficult to sequence" aster - star-shaped structure formed in the cytoplasm of a cell having fibers like rays that surround the centrosome during mitosis |
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