accessory cavity

  • 1accessory olfactory sac — olfactory ventilation sac (an extension of the olfactory cavity, often characteristic of inactive bottom dwellers living in still water such as flatfishes, dipnoans, and eels but also found in clupeids, salmonids, mugilids and scombrids.… …

    Dictionary of ichthyology

  • 2Nasal cavity — Head and neck …

    Wikipedia

  • 3Thoracic cavity — Latin cavitas thoracis Gray s subject #136 524 Dorlands/Elsevier …

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  • 4Omomyid — Omomyids Temporal range: 55–34 Ma …

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  • 5reproductive system, animal — Introduction       any of the organ systems by which animals reproduce.       The role of reproduction is to provide for the continued existence of a species; it is the process by which living organisms duplicate themselves. Animals compete with… …

    Universalium

  • 6nervous system, human — ▪ anatomy Introduction       system that conducts stimuli from sensory receptors to the brain and spinal cord and that conducts impulses back to other parts of the body. As with other higher vertebrates, the human nervous system has two main… …

    Universalium

  • 7Nerve — A bundle of fibers that uses electrical and chemical signals to transmit sensory and motor information from one body part to another. See nervous system. * * * A whitish cordlike structure composed of one or more bundles (fascicles) of myelinated …

    Medical dictionary

  • 8circulation — circulable /serr kyeuh leuh beuhl/, adj. /serr kyeuh lay sheuhn/, n. 1. an act or instance of circulating, moving in a circle or circuit, or flowing. 2. the continuous movement of blood through the heart and blood vessels, which is maintained… …

    Universalium

  • 9branch — An offshoot; in anatomy, one of the primary divisions of a nerve or blood vessel. A b.. See ramus, artery, nerve, vein. SYN: ramus (1) [TA]. accessory meningeal b. SYN: pterygomeningeal artery …

    Medical dictionary

  • 10gland — An organized aggregation of cells functioning as a secretory or excretory organ. SYN: glandula (1) [TA]. [L. glans, acorn] accessory g. a small mass of glandular structure, detached from but lying near another and larger g., to which it is… …

    Medical dictionary

  • 11chemoreception — chemoreceptive /kee moh ri sep tiv, kem oh /, adj. /kee moh ri sep sheuhn, kem oh /, n. the physiological response to chemical stimuli. [1915 20; CHEMO + RECEPTION] * * * Sensory process by which organisms respond to external chemical stimuli, by …

    Universalium

  • 12fish — fishless, adj. /fish/, n., pl. (esp. collectively) fish, (esp. referring to two or more kinds or species) fishes, v. n. 1. any of various cold blooded, aquatic vertebrates, having gills, commonly fins, and typically an elongated body covered with …

    Universalium

  • 13Fish — /fish/, n. Hamilton, 1808 93, U.S. statesman: secretary of state 1869 77. * * * I Any of more than 24,000 species of cold blooded vertebrates found worldwide in fresh and salt water. Living species range from the primitive lampreys and hagfishes… …

    Universalium

  • 14gastropod — /gas treuh pod /, n. 1. any mollusk of the class Gastropoda, comprising the snails, whelks, slugs, etc. adj. 2. Also, gastropodous /ga strop euh deuhs/. belonging or pertaining to the gastropods. [1820 30; < NL Gast(e)ropoda a class of mollusks.&#8230; …

    Universalium

  • 15Artery — A vessel that carries blood that is high in oxygen content away from the heart to the farthest reaches of the body. Since blood in arteries is usually full of oxygen, the hemoglobin in the red blood cells is oxygenated. The resultant form of&#8230; …

    Medical dictionary

  • 16Insect morphology — Legend of body parts Tagmata&#160;: A Head, B Thorax, C Abdomen. 1. antenna 2. ocelli (lower) 3. ocelli (upper) 4. compound eye 5. brain (cerebral ganglia) 6. prothorax …

    Wikipedia

  • 17Muscles of respiration — The various muscles of respiration aid in both inspiration and expiration, which require changes in the pressure within the thoracic cavity. The respiratory muscles work to achieve this by changing the dimensions of the thoracic cavity. The&#8230; …

    Wikipedia

  • 18Vomeronasal organ — Infobox Anatomy Name = Vomeronasal organ Latin = organum vomeronasale GraySubject = 223 GrayPage = 996 Caption = Frontal section of nasal cavities of a human embryo 28 mm. long (Vomeronasal organ of Jacobson labeled at right) Caption2 = Precursor …

    Wikipedia

  • 19Respiratory system — See also: Respiratory tract Respiratory A complete, schematic view of the human respiratory system with their parts and functions. Latin …

    Wikipedia

  • 20List of muscles of the human body — Skeletal muscles homo sapiens Muscles of the human body: Overview Head&#160;&#160;|&#160;&#160;Neck&#160;&#160;|&# …

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