- primordium of the lateral line
Dictionary of ichthyology. 2009.
Dictionary of ichthyology. 2009.
angiosperm — /an jee euh sperrm /, n. Bot. a plant having its seeds enclosed in an ovary; a flowering plant. Cf. gymnosperm. [ANGIO + SPERM] * * * ▪ plant Introduction any member of the more than 300,000 species of flowering plants (division Anthophyta) … Universalium
Anatomical terms of location — Standard anatomical terms of location are employed in science which deal with the anatomy of animals to avoid ambiguities which might otherwise arise. They are not language specific, and thus require no translation. They are universal terms that… … Wikipedia
ridge — 1. A (usually rough) linear elevation. SEE ALSO: crest. 2. In dentistry, any linear elevation on the surface of a tooth. 3. The remainder of the alveolar process and its soft … Medical dictionary
human embryology — ▪ biology Introduction the process encompassing the period from the formation of an embryo, through the development of a fetus, to birth. The human body, like that of most animals, develops from a single cell produced by the union of… … Universalium
Tubercle — A small tuber, a small lump or bump. * * * 1. A nodule, especially in an anatomic, not pathologic, sense. 2. A circumscribed, rounded, solid elevation on the skin, mucous membrane, or surface of an organ. 3. A slight … Medical dictionary
groove — A narrow, elongate depression or furrow on any surface. SEE ALSO: sulcus. alveolobuccal g. the upper and lower half of the buccal vestibule on each side. SYN: alveolobuccal sulcus, gingivobuccal g., gingivobuccal sulcus. alveololabial g. 1. the… … Medical dictionary
Cord — Short and informal reference to the spinal cord, the major column of nerve tissue that is connected to the brain, lies within the vertebral canal, and from which the spinal nerves emerge. The spinal cord and the brain constitute the central… … Medical dictionary
respiration, human — ▪ physiology Introduction the process by which oxygen is taken up and carbon dioxide discharged. The design of the respiratory system The human gas exchanging organ, the lung, is located in the thorax, where its delicate tissues are… … Universalium
Cell — The basic structural and functional unit in people and all living things. Each cell is a small container of chemicals and water wrapped in a membrane. Each cell in the human body there are 100 trillion cells in each of us contains the entire… … Medical dictionary