Synonym: Splen (in Greek); Lien (in Latin). Spleen is the largest lymphoid organ in the body (strictly speaking a hemolymphoid organ). The chief functions of the spleen are: To filter blood by removing worn out RBCs and microbial agents from the circulation. To fabricate RBCs in fetal life and lymphocytes after arrival. To provide resistance [...]
A muscular partition between the true pelvis and the perineum is known as pelvic diaphragm. A gutter-shaped pelvic floor is created by this diaphragm. It’s created by the large levator ani and small coccygeus muscles of 2 sides and their covering fasciae. Its structure is incomplete anteriorly to allow passage of urethra in the males [...]
The Medial Compartment of the Thigh is one of the fascial compartments of the thigh and the adductor compartment of the thigh is well developed. Its counterpart in the arm has gotten degeneration during the course of development and is represented only by a feeble coracobrachialis muscle of the flexor compartment of the arm. [...]
Peroneal Artery is the artery that provides blood to the lateral compartment of the leg. Origin It's the biggest and most important branch of the posterior tibial artery. It gives oxygenated blood supply to the posterior and lateral compartments of the leg. Course and Relationships The point of origin is 2.5 cm below the lower [...]
The Supraspinatus is a relatively small muscle of the upper back that make up the rotator cuff. The supraspinatus and infraspinatus muscles starts from 2 large fossae, 1 above and 1 below the spine, on the posterior surface of the scapula. They create tendons that insert on the greater tubercle of the humerus. [...]
Thoracic Sympathetic Trunk is a ganglionated chain, situated on each side of the vertebral column. In the thoracic inlet, it's superiorly continuous with the cervical sympathetic chain and with the lumbar sympathetic chain inferiorly after passing behind the medial arcuate ligament of the diaphragm. Interactive Anatomical Interface Bones Muscles Organs Digestive System Respiratory System [...]
It is located on every side of the neck and is a large triangular space, with its apex pointed downwards and base pointed upwards and in front of sternocleidomastoid. Borders Anterior: Anterior median line of the neck. Posterior: Anterior border of the sternocleidomastoid muscle. Base: Lower border of the body of mandible and a lineextending [...]
Laryngopharynx It is located behind the larynx and goes from the upper border of the epiglottis to the lower border of cricoid cartilage anteriorly and lower border of C6 vertebra posteriorly. The laryngopharynx is located behind the laryngeal inlet and posterior wall of the larynx. Via laryngeal inlet it conveys anteriorly with the laryngeal cavity [...]
It creates the roof of the cranial cavity. Superior portions of frontal, parietal and occipital bones create skull cap. Internal surface: The internal surface seems as an ovoid hollow plate of bone and presents these features: Coronal, sagittal and lambdoid sutures Sagittal sulcus: It lodges the superior sagittal sinus and is an anteroposterior groove in [...]
Extending from the Foramen Magnum to the upper border of the pons, the Medulla Oblongata is the direct upward continuation of the spinal cord, where It creates the lowest part of the Brainstem and is located nearly vertically in the anterior part of the posterior cranial fossa between the Clivus (Superior Surface of The Basiocciput) [...]