pectoral arch

pectoral arch
noun
the bony arch formed by the collarbones and shoulder blades in humans
Syn: ↑shoulder girdle
Hypernyms: ↑arch
Part Holonyms: ↑pectoral girdle

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noun

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pectoral arch or pectoral girdle,
the bony or cartilaginous arch supporting the forelimbs of vertebrates, formed in man by the scapulae and clavicles: »

In the coelacanth, the pectoral girdle, which in normal teleost fish is a hooplike ring of bones embracing the shoulder blades and so on, has no skeletal connections whatever with the head (New Scientist).


Useful english dictionary. 2012.

Look at other dictionaries:

  • Pectoral arch — 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 arch — /pɛktrəl ˈatʃ/ (say pektruhl ahch) noun 1. (in vertebrates) a bony or cartilaginous arch supporting the forelimbs. 2. (in a human) the bony arch, formed by the collarbone and shoulderblade, which attaches the upper extremity to the axial skeleton …   Australian-English dictionary

  • 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 lungs; as …   The Collaborative International Dictionary of English

  • Pectoral cross — 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 fins — 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 — 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 rail — 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 sandpiper — 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 — 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 — Relating to the chest. [L. pectoralis; fr. pectus, breast bone] * * * pec·to·ral pek t(ə )rəl n 1) a pectoral part or organ esp PECTORALIS 2) a medicinal substance for treating diseases of the respiratory tract pectoral …   Medical dictionary

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