What's the difference between nasal and prenasal?

Nasal


Definition:

  • (a.) Of or pertaining to the nose.
  • (a.) Having a quality imparted by means of the nose; and specifically, made by lowering the soft palate, in some cases with closure of the oral passage, the voice thus issuing (wholly or partially) through the nose, as in the consonants m, n, ng (see Guide to Pronunciation, // 20, 208); characterized by resonance in the nasal passage; as, a nasal vowel; a nasal utterance.
  • (n.) An elementary sound which is uttered through the nose, or through both the nose and the mouth simultaneously.
  • (n.) A medicine that operates through the nose; an errhine.
  • (n.) Part of a helmet projecting to protect the nose; a nose guard.
  • (n.) One of the nasal bones.
  • (n.) A plate, or scale, on the nose of a fish, etc.

Example Sentences:

  • (1) It was the purpose of the present study to describe the normal pattern of the growth sites of the nasal septum according to age and sex by histological and microradiographical examination of human autopsy material.
  • (2) In the present study, respirometric quotients, the ratio of oral air volume expended to total volume expended, were obtained using separate but simultaneous productions of oral and nasal airflow.
  • (3) Our experience indicates that lateral rhinotomy is a safe, repeatable and cosmetically sound procedure that provides and excellent surgical approach to the nasal cavity and sinuses.
  • (4) Ten milliliters of the solution inappropriately came into contact with nasal mucous membranes, causing excessive drug absorption.
  • (5) These data suggest that basophilic cell function in the superficial mucous layer in the nose is of greater significance in the development of nasal symptoms in response to nasal allergy than either mucociliary activity or nasal mucosal hypersensitivity to histamine.
  • (6) Virus replication in nasal turbinates was not diminished while infection in the lung was suppressed sufficiently for the infected mice to survive the infection.
  • (7) Diagnosis and identification of the site of the leak is often inaccurate, even with meticulous care given to placing and removing the nasal pledgets.
  • (8) In this study we investigated the recovery or regenerative process of nasal mucosa in rabbits after mechanical injury on the basis of ultrastructural as well as functional observations.
  • (9) The frequency of previous nasal diseases and symptoms was analyzed by histologic type of cancer.
  • (10) We present the results of giving continuous positive airway pressure (CPAP) via a single nasal catheter to 20 preterm infants.
  • (11) In the latter groups, specimens were taken from both polyp tissue and adjacent nasal mucosa.
  • (12) Because of the wide range of human nasal anatomic configurations, some people sniff odorants against comparatively high resistances.
  • (13) The characteristic features of the nasal mucosa obtained here are as follows: 1) The cross-section profiles of the cilium were round and smooth.
  • (14) Thus, enhancers are required to obtain significant nasal absorption of glucagon and calcitonin and powders and spray solutions did not differ in terms of systemic availability.
  • (15) One child (case 1) exhibited nasal regurgitation during feeding.
  • (16) Many times the nasal airway is disregarded as the source of airway difficulty if small catheters can be passed.
  • (17) Nasal epithelial dysplasia is morphologically similar to dysplasia in other organs where the precancerous state of this lesion has been proved.
  • (18) The disposition of radiolabeled cocaine in humans has been studied after three routes of administration: iv injection, nasal insufflation (ni, snorting), and smoke inhalation (si).
  • (19) In patients with cystic fibrosis (CF), values in the donor lung did not differ from those in non-CF transplanted patients up to one year following transplantation, although nasal PD in the host remained elevated.
  • (20) The RSV EIA was also used to test 137 nasal swabs obtained from cases of bovine respiratory disease.

Prenasal


Definition:

  • (a.) Situated in front of the nose, or in front of the nasal chambers.

Example Sentences:

  • (1) Fragments of the frontonasal mass give rise to typical upper-beak-like structures: a long central rod of cartilage, the prenasal cartilage and an egg tooth.
  • (2) The protruding adult upper beak containing the prenasal cartilage is formed from the frontonasal mass, the paired maxillary primordia form the sides of the face, while the lower beak is derived from the paired mandibular primordia which contain the two Meckel's cartilages.
  • (3) These courses correspond to embryonic midline diverticula of dura (with or without arachnoid and brain tissue) that protrude into a) the fonticulus nasofrontalis and b) the prenasal space situated behind the nasal bones and in front of the nasal capsule, occasionally reaching the surface ectoderm.
  • (4) It is concluded that straightening of the angle between the ventral contour of the interorbital septum and the long axis of the prenasal process is not influenced by the lower beak, whereas the position of the entire ISPP complex and the size of the prenasal process are under the epigenetic influence of the lower beak.
  • (5) For within-vowel measurements made a constant time from the nasal consonant, prenasal vowels showed greater nasalization than postnasal vowels.
  • (6) In normal development the angle between the ventral contour of the interorbital septum and the long axis of the prenasal process increases.
  • (7) The extent to which a sound segment is analyzed as a single unit or a cluster is considered with reference to prenasalized stops in Moru.
  • (8) After surgical removal of the prospective lower beak at stage 29, the position of the entire ISPP complex was altered in stage-38 embryos and the prenasal process showed elongation.

Words possibly related to "prenasal"