| Dictionary, Encyclopedia and Thesaurus - The Free Dictionary 1,508,625,629 visitors served. |
|
Dictionary/ thesaurus | Medical dictionary | Legal dictionary | Financial dictionary | Acronyms | Idioms | Encyclopedia | Wikipedia encyclopedia | ? |
cardiac notch |
Also found in: Wikipedia | 0.09 sec. |
|
notch (noch) incisure; an indentation on the edge of a bone or other organ. aortic notch dicrotic n. cardiac notch 1. (of stomach) a notch at the junction of the esophagus and the greater curvature of the stomach. 2. (of left lung) a notch in the anterior border of the left lung. dicrotic notch a small downward deflection in the arterial pulse or pressure contour immediately following the closure of the semilunar valves and preceding the dicrotic wave, sometimes used as a marker for the end of systole or the ejection period. mastoid notch a deep groove on the medial surface of the mastoid process of the temporal bone, giving attachment to the posterior belly of the digastric muscle. parotid notch the notch between the ramus of the mandible and the mastoid process of the temporal bone. Rivinus' notch , tympanic notch a defect in the upper tympanic part of the temporal bone, filled by the upper portion of the tympanic membrane.
notch an indentation, especially one on the edge of a bone or other organ. acetabular notch in the medial part of the rim of the acetabulum. antitragohelicine notch in the caudal process of the cartilage of the pig's ear separating it from the tragus and antitragus. aortic notch a small downward deflection in the arterial pulse or pressure contour immediately following the closure of the semilunar valves, sometimes used as a marker for the end of systole or the ejection period. Called also dicrotic notch. cardiac notch an indentation in the ventral margin of the lungs that allows the heart in its coverings to lie against the chest wall. Useful for ultrasound examination, auscultation, pericardiac and cardiac puncture. The extent of the notch varies between species and enlarges during expiration. costal notch indentations in the sternum with which the costal cartilages of the ribs articulate. dicrotic notch see aortic notch (above). glenoid notch in the cranial part of the rim of the glenoid cavity of the scapula. greater sciatic notch indentation in the dorsal edge of the ilium over which the sciatic nerve passes. intertragic notch the notch in the auricular cartilage between the tragus and antitragus. lesser sciatic notch indentation in the lateral border of the ischium between the ischial spine and the ischial tuber. mandibular notch separates the coronoid and condylar processes of the mandible. mandibular vascular notch the notch on the lower edge of the mandible below which facial vessels cross to reach the face in some species such as the horse. nasoincisive notch deep notch separating the pointed nasal bone and the incisive bone. pretragic notch the palpable depression rostral to the tragus of the ear. tragohelicine notch the slot in the auricular cartilage between the tragus and the medial border of the ear cartilage; a useful surgical landmark. vertebral notch the notch in the pedicle of the vertebral arch, at the cranial and caudal ends of each vertebra which combines with its opposite number to create an intervertebral foramen. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
|
| ? Mentioned in | ||||
|---|---|---|---|---|
|
| Medical Dictionary |
| Free Tools: |
For surfers:
Browser extension |
Word of the Day |
Help
For webmasters: Free content | Linking | Lookup box | Double-click lookup | Partner with us |
|---|