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The thyroarytenoid muscle is a broad, thin muscle that forms the body of the vocal fold and that supports the wall of the ventricle and its appendix. It functions to shorten the vocal folds.
The posterior clinoid processes are the tubercles of the sphenoid bone situated at the superior angles of the dorsum sellæ which represents the posterior boundary of the sella turcica. They vary considerably size and form. The posterior clinoid processes deepen the sella turcica, and give attachment to the tentorium cerebelli, and the dura forming the floor of the hypophyseal fossa.
The acetabular notch is a deep notch in the inferior portion of the rim of the acetabulum. It is bridged by the transverse acetabular ligament, converting it into a foramen. It is continuous with space of the acetabular fossa. The lunate surface of acetabulum is discontinued opposite the notch.
The lateral umbilical fold is an elevation of the peritoneum lining the inner/posterior surface of the lower anterior abdominal wall formed by the underlying inferior epigastric artery and inferior epigastric vein which the peritoneum covers. Superiorly, the lateral umbilical fold ends where the vessels reach and enter the rectus sheath at the arcuate line of rectus sheath; in spite of the name, the lateral umbilical folds do not extend as far superiorly as the umbilicus. Inferiorly, it extends to just medial to the deep inguinal ring.
The portion of the cavity of the larynx above the vestibular fold is called the laryngeal vestibule; it is wide and triangular in shape, its base or anterior wall presenting, however, about its center the backward projection of the tubercle of the epiglottis. It contains the vestibular folds, and between these and the vocal folds are the laryngeal ventricles.
The femoral sheath is a funnel-shaped downward extension of abdominal fascia within which the femoral artery and femoral vein pass between the abdomen and the thigh. The femoral sheath is subdivided by two vertical partitions to form three compartments ; the medial compartment is known as the femoral canal and contains lymphatic vessels and a lymph node, whereas the intermediate canal and the lateral canal accommodate the femoral vein and the femoral artery (respectively). Some neurovascular structures perforate the femoral sheath. Topographically, the femoral sheath is contained within the femoral triangle.
The lacunar ligament, also named Gimbernat's ligament, is a ligament in the inguinal region. It connects the inguinal ligament to the pectineal ligament, near the point where they both insert on the pubic tubercle.
The posterior longitudinal ligament is a ligament connecting the posterior surfaces of the vertebral bodies of all of the vertebrae of humans. It weakly prevents hyperflexion of the vertebral column. It also prevents posterior spinal disc herniation, although problems with the ligament can cause it.
The deep transverse metacarpal ligament connects the palmar surfaces of metacarpophalangeal joints of all the fingers of the hand except the thumb.
The trapezoid ligament is a ligament connecting the coracoid process of the scapula to the trapezoid line of the clavicle (collarbone). It is an anterior and lateral fasciculus, and is broad, thin, and quadrilateral. Its anterior border is free; its posterior border is joined with the conoid ligament, the two forming, by their junction, an angle projecting backward.
The interspinous ligaments are thin, membranous ligaments that connect adjoining spinous processes of the vertebra in the spine. They take the form of relatively weak sheets of fibrous tissue and are well developed only in the lumbar region.
The radiate ligament of head of rib is a ligament of the costovertebral joint that typically connects the anterior edge of the head of each rib, and the side of the bodies of two adjacent vertebrae and their intervertebral discs. The ligament is formed as a thickening of the anterior portion of the joint capsule of the costovertebral joint, and thus reinforces it anteriorly.
The pectineal ligament, sometimes known as the inguinal ligament of Cooper, is an extension of the lacunar ligament. It runs on the pectineal line of the pubic bone. The pectineal ligament is the posterior border of the femoral ring.
The coronary ligament of the liver refers to parts of the peritoneal reflections that hold the liver to the inferior surface of the diaphragm.
The anterior atlantooccipital membrane is a broad, dense membrane extending between the anterior margin of the foramen magnum (superiorly), and the anterior arch of atlas (inferiorly).
The cruciate ligament of the atlas is a cross-shaped ligament in the neck forming part of the atlanto-axial joint. It consists of the transverse ligament of atlas, a superior longitudinal band, and an inferior longitudinal band.
The costotransverse joint is the joint formed between the facet of the tubercle of the rib and the adjacent transverse process of a thoracic vertebra. The costotransverse joint is a plane type of synovial joint which, under physiological conditions, allows only gliding movement.
The anterior meniscofemoral ligament is a small fibrous band of the knee joint. It arises from the posterior horn of the lateral meniscus and passes superiorly and medially in front of the posterior cruciate ligament to attach to the lateral surface of medial condyle of the femur.
The thyroepiglottic ligament is an intrinsic ligament of the larynx that connects the epiglottis and the thyroid cartilage.
The quadrangular membrane is a layer of submucosa. It extends between the lateral margin of the epiglottis, and the apex and fovea triangularis of the ipsilateral arytenoid cartilage. It has free superior and inferior borders.
References
This article incorporates text in the public domain from page 1077 of the 20th edition of Gray's Anatomy (1918)
- ↑ Standring, Susan (2020). Gray's Anatomy: The Anatomical Basis of Clinical Practice (42th ed.). New York. p. 721. ISBN 978-0-7020-7707-4. OCLC 1201341621.
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