mesonephric fold
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fold — 1. A ridge or margin apparently formed by the doubling back of a lamina. SYN: plica. 2. In the embryo, a transient elevation or reduplication of tissue in the form of a lamina … Medical dictionary
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
animal development — Introduction the processes that lead eventually to the formation of a new animal starting from cells derived from one or more parent individuals. Development thus occurs following the process by which a new generation of organisms is produced by … Universalium
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 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, human — Organ system by which humans reproduce. In females, the ovaries sit near the openings of the fallopian tubes, which carry eggs from the ovaries to the uterus. The cervix extends from the lower end of the uterus into the vagina, whose opening, as… … Universalium
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
duct — A tubular structure giving exit to the secretion of a gland or organ, capable of conducting fluid. SEE ALSO: canal. SYN: ductus [TA]. [L. duco, pp. ductus, to lead] aberrant ducts SYN: aberrant ductules, under ductule … Medical dictionary
Embryology — 1 morula, 2 blastula 1 blastula, 2 gastrula with blastopor … Wikipedia
