- abdominal ridge
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paired dermal ridges running from pectoral to pelvic fin bases in sharks
Dictionary of ichthyology. 2009.
Dictionary of ichthyology. 2009.
genital ridge — (ARTHROPODA: Insecta) In embryology, thickenings of the viseral (splanchnic) wall of the mesoderm in the abdominal region of the body in which the gonadal rudiments lie … Dictionary of invertebrate zoology
subdorsal ridge — (ARTHROPODA: Insecta) In some Hymenoptera caterpillars, an elevated longitudinal line along the subdorsal row of abdominal tubercles … Dictionary of invertebrate zoology
dorsomedian carina — Ridge extending along the middorsal line of the abdominal somites (Fig. 1) [Perez Farfante and Kensley, 1997] … Crustacea glossary
Muscle — is the tissue of the body which primarily functions as a source of power. There are three types of muscle in the body. Muscle which is responsible for moving extremities and external areas of the body is called "skeletal muscle." Heart… … Medical dictionary
Development of the gonads — The prenatal development of the gonads is a part of the development of reproductive system and ultimately forms the testes in males and ovaries in females. They initially develop from the mesothelial layer of the peritoneum. The ovary is… … Wikipedia
Development of the urinary and reproductive organs — The development of the urinary and reproductive organs as a part of the prenatal development, concerns the urinary system and sex organs. The latter is a part of the stages of sexual differentiation. The urinary and reproductive organs are… … Wikipedia
Development of the reproductive system — The development of the reproductive system is a part of prenatal development, and concerns the sex organs. It is a part of the stages of sexual differentiation. Because its location to a large extent overlaps the urinary system, the development… … Wikipedia
reproductive 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
Ligament — A ligament is a tough band of connective tissue that connects various structures such as two bones. Ligament is a fitting term; it comes from the Latin ligare meaning to bind or tie. * * * 1. A band or sheet of fibrous tissue connecting two or… … Medical dictionary
orthopteran — /awr thop teuhr euhn/, adj. 1. orthopterous. n. 2. an orthopterous insect. [1895 1900; < NL Orthopter(a) (see ORTHOPTERON) + AN] * * * ▪ insect Introduction broadly, any member of one of four insect orders. Orthopteran has come to be regarded… … Universalium