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CLEARANCE, com. law. The name of a certificate given by the collector of a port, in which is stated the master or commander (naming him) of a ship or vessel named and described, bound for a port, named, and having on board goods described, has entered and cleared his ship or vessel according to law.
     2. The Act of Congress of 2d March, 1790, section 93, directs, that the master of any vessel bound to a foreign place, shall deliver to the collector of the [dis ot?] from which such vessel shall be about to depart, a manifest of all the cargo on board, and the value thereof, by him subscribed, and shall swear or affirm to the truth thereof; whereupon the collector shall grant a clearance for such vessel and her cargo; but without specifying the particulars thereof in such clearance, unless required by the master so to do. And if any vessel bound to any foreign place shall depart on her voyage to such foreign place, without delivering such a manifest and obtaining a clearance, the master shall forfeit and pay the sum of five hundred dollars for every such offence. Provided, anything to the contrary notwithstanding, the collectors and other officers of the customs shall pay due regard to the inspection laws of the states in which they respectively act, in such manner, that no vessel having on board goods liable to inspection, shall be cleared out, until the master or other person shall have produced such certificate, that all such goods have been duly inspected, as the laws of the respective states do or may require, to be produced to the collector or other officer of the customs. And provided, that receipts for the payment of all legal fees which shall have accrued on any vessel, shall, before any clearance is granted, be produced to the collector or other officer aforesaid.
     3. According to Boulay-Paty, Dr. Com. tome 2, p. 19, the clearance is imperiously demanded for the safety of the vessel; for if a vessel should be found without it at sea, it may be legally taken and brought into some port for adjudication, on a charge of piracy. Vide Ship's papers.

A Law Dictionary, Adapted to the Constitution and Laws of the United States. By John Bouvier. Published 1856.
References in periodicals archive ?
Decramer, "Regulation of mucociliary clearance in health and disease," European Respiratory Journal, vol.
From these observations we surmise that the nasal cavity, in addition to the lower airways, is vigorously shaken during VCPT and results in stimulated nasal mucociliary clearance.
Although stimulation of CBF by EPs 7630 under cell culture conditions is statistically significant, follow up examinations have to prove if this in vitro effect also is evident under in vivo conditions and if it promotes mucociliary clearance. While CBF is assumed to be one of the main parameters (Boek et al., 2002; Braverman et al., 1998; Duchateau et al., 1985), other parameters like quality and quantity of the nasal mucus under pathological conditions of inflammation and infection could eliminate some of the positive effects of mucociliary clearance.
For several decades, airway clearance therapy has been a fundamental component in the treatment of children with primary diseases affecting the mucociliary clearance system (MCS).
Lung mucociliary clearance examinations involve the patient inhaling radioaerosols of Tc 99m sulfur colloid or Tc 99m human serum albumin.
Mucus dehydration, defective mucociliary clearance of microbes, infection, and inflammation are the hallmarks of CF and COPD lung disease.
Functional endoscopic sinus surgery helps to improve sinus ventilation and retain mucociliary clearance. The goal is to maintain the patency and mucociliary clearance after surgery.
[sup][9] Like other respiratory epitheliums, adenoidal epithelium may serve as the central part of the upper airway innate immunity related to mucociliary clearance, [sup][10] secretion of endogenous antimicrobial peptides (AMPs), [sup][11] interacting with the adaptive immune response, and expressing pattern recognition receptors (PRRs) to identify pathogen-associated molecular patterns (PAMPs).
Besides the potential carcinogenic effect of smoking on the laryngeal mucosa, smoking has an irritant and inflammatory effect on the vocal fold mucosa, vessels, and mucociliary clearance. Smoking is considered one of the main etiologic factors in the development of vocal fold edema and polypoid degeneration.
These ostia do not have active mucociliary clearance still little drainage that occurs through them is due to gravitational effect and their lower anatomical position in the medial wall of maxillary sinus.
The following outcome parameters were examined in this study: the mucociliary clearance time (MCT), nasal respiratory flow (Flow), nasal resistance (R), immunoglobulin values A, E, G, and M, and adverse events (AE).
In addition, exposure to arsenic during gestation is capable of altering the expression of genes that function in mucociliary clearance, innate immunity, and lung growth in the offspring.