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A clear guide to the brachial plexus — its roots, trunks, divisions, cords, and terminal branches — plus the injuries that make it clinically essential.
Patients sued by Senator Roger Marshall of Kansas were routinely charged 18 percent interest, The Times found. Some had bank accounts garnished.
Traditional gene editing rewrites DNA. But a new approach, called epigenome editing, aims to treat the molecular scars we collect throughout our lives.
Artificial intelligence was used to help develop a drug candidate, rentosertib, for a rare lung condition. Its maker says the drug also seems to reduce the biological hallmarks of age.
The vagina is a fibromuscular canal approximately 7–9 cm long that connects the cervix to the vaginal vestibule. Positioned between the urinary bladder anteriorly and the rectum posteriorly, it serves critical reproductive, menstrual, and parturient functions.
The uterus is a hollow, thick-walled muscular organ in the female pelvis that supports menstruation, implantation, and fetal development. Its anatomy includes the fundus, body, isthmus, and cervix, supported by a complex of uterine ligaments and the pelvic floor.
The female urethra is a short muscular tube approximately 3–4 cm long, extending from the internal urethral orifice to the external urethral meatus in the vaginal vestibule. Its close relationship to the anterior vaginal wall and the rhabdosphincter mechanism are critical in urinary continence and gynecological surgery.
The male urethra is approximately 20 cm long and serves both urinary and reproductive functions. It is divided into four parts: intramural, prostatic, membranous (external sphincter), and spongy (penile). The membranous urethra is the narrowest and most vulnerable segment, frequently injured in pelvic trauma.
Aortun, oksijenli kanı kalpten vücudun her bölgesine taşırken izlediği yol ve dalları.
The course and branches of the aorta as it carries oxygenated blood from the heart to every region of the body.
The cardiac conduction system is a network of specialized myocardial cells that generate and propagate electrical impulses to coordinate atrial and ventricular contraction. It includes the sinoatrial node, atrioventricular node, bundle of His, bundle branches, and Purkinje fibers.