mammary crest
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mammary ridge — n either of a pair of longitudinal ectodermal thickenings in the mammalian embryo that extend from the base of the anterior to the posterior limb buds and are the source of the mammary glands called also milk line * * * a ridge of thickened… … Medical dictionary
Cutaneous structure development — Cutaneous structures arise from the epidermis and include a variety of features such as hair, feathers, claws and nails. During embryogenesis, the epidermis splits into two layers: the periderm (which is lost) and the basal layer. The basal layer … Wikipedia
Dermatomal mesenchyme — Transverse section of a human embryo of the third week to show the differentiation of the primitive segment. ao. Aorta. m.p. Muscle plate. n.c. Neural canal. sc. Sclerotome. s.p. Dermatome. Latin … 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
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
branch — 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
Nervous system — Nerve redirects here. For other uses, see Nerve (disambiguation). This article is about the nervous system. For parts of the nervous system commonly called nerves, see Peripheral nerve. Nervous system The Human N … Wikipedia
Ectrodactyly-ectodermal dysplasia-cleft syndrome — Infobox Disease Name = PAGENAME Caption = DiseasesDB = 34402 ICD10 = ICD9 = ICDO = OMIM = 129900 OMIM mult = OMIM2|604292 | MedlinePlus = eMedicineSubj = eMedicineTopic = MeshID = Ectrodactyly ectodermal dysplasia cleft syndrome, or EEC, is a… … Wikipedia
line — 1. A mark, strip, or streak. In anatomy, a long, narrow mark, strip, or streak distinguished from the adjacent tissues by color, texture, or elevation. SEE ALSO: linea. 2. A unit of … 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
