pectoral girdle

pectoral girdle
pectoral girdle n the bony or cartilaginous arch supporting the forelimbs of a vertebrate that corresponds to the pelvic girdle of the hind limbs but is usu. not attached to the spinal column and that consists in lower forms of a single cartilage on each side which in higher forms becomes ossified, divided into the scapula above and the precoracoid and coracoid below, and complicated by the addition or substitution of one or more membrane bones and which in humans is highly modified with the scapula alone of the original elements well developed, the coracoid being represented only by the coracoid process of the scapula, and the precoracoid being replaced by the clavicle that connects the scapula with the sternum and is the only bony connection of the arm bones with the rest of the skeleton called also shoulder girdle

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cingulum pectorale.

Medical dictionary. 2011.

Look at other dictionaries:

  • Pectoral girdle — Pectoral Pec to*ral (p[e^]k t[ o]*ral), a. [L. pectoralis, fr. pectus, oris the breast; cf. F. pectoral.] 1. Of or pertaining to the breast, or chest; as, the pectoral muscles. [1913 Webster] 2. Relating to, or good for, diseases of the chest or… …   The Collaborative International Dictionary of English

  • pectoral girdle — n. Anat. Zool. the bony or cartilaginous structures to which the forelimbs (or arms) of a vertebrate are attached …   English World dictionary

  • Pectoral girdle — Infobox Bone Name = Pectoral girdle Latin = cingulum pectorale GraySubject = GrayPage = Caption = Human pectoral girdle Caption2 = |fhbfzd Precursor = System = Artery = Vein = Nerve = |hxjhg Lymph = MeshName = MeshNumber = DorlandsPre = c 35… …   Wikipedia

  • pectoral girdle — the bony support of the pectoral fin behind the gills and usually attached to the posterior part of the skull; the shoulder girdle. Composed of the following basic elements (some of which may be lost): coracoid, scapula, pterygials, postcleithrum …   Dictionary of ichthyology

  • pectoral girdle — noun a skeletal support to which the forelimbs of vertebrates are attached • Hypernyms: ↑girdle • Part Holonyms: ↑appendicular skeleton • Part Meronyms: ↑shoulder girdle, ↑pectoral arch …   Useful english dictionary

  • pectoral girdle — 1. (in vertebrates) a bony or cartilaginous arch supporting the forelimbs. 2. Also called shoulder girdle. (in humans) the bony arch formed by the clavicles, or collarbones, and scapulas, or shoulder blades. Also called pectoral arch. [1885 90] * …   Universalium

  • pectoral girdle — noun Date: circa 1890 shoulder girdle …   New Collegiate Dictionary

  • pectoral girdle — noun The bony or cartilaginous assembly that supports the forelimbs in vertebrates Syn: shoulder girdle …   Wiktionary

  • pectoral girdle — see shoulder girdle …   The new mediacal dictionary

  • pectoral girdle — pec′toral gir′dle n. anat. the compound bony or cartilaginous arch supporting the forelimbs or analogous parts in vertebrates • Etymology: 1885–90 …   From formal English to slang

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