The Grownup human skeleton normally includes 206 named bones. These bones can be grouped in two divisions: axial skeleton and appendicular skeleton.
corpus spongiosum – (plural = corpora cavernosa) column of erectile tissue during the penis that fills with blood for the duration of an erection and surrounds the penile urethra about the ventral portion of the penis.
basilic vein – superficial vein from the arm that arises through the palmar venous arches, intersects While using the median cubital vein, parallels the ulnar vein, and continues in the upper arm; together with the brachial vein, it results in the axillary vein.
cervical enlargement – location from the ventral (anterior) horn from the spinal twine that features a more substantial population of motor neurons with the bigger range of and finer Charge of muscles of the upper limb.
ciliary body – easy muscle structure on the inside surface on the iris that controls The form of your lens through the zonule fibres.
blood–testis barrier – tight junctions here involving Sertoli cells that avert bloodborne pathogens from getting access to later on phases of spermatogenesis and stop the opportunity for an autoimmune reaction to haploid sperm.
bursa – connective tissue sac that contains lubricating fluid that forestalls friction in between adjacent structures, including skin and bone, tendons and bone, or amongst muscles.
cavernous sinus – enlarged vein that receives blood from a lot of the other cerebral veins as well as eye socket, and causes the petrosal sinus.
checkpoint – progress stage in the cell cycle all through which sure ailments has to be satisfied in order for the cell to commence to some subsequence section.
descending tract – central anxious system fibres carrying motor instructions in the Mind towards the spinal twine or periphery.
carpometacarpal joint – articulation among among the carpal bones during the distal row along with a metacarpal bone from the hand.
anterior spinal artery – blood vessel within the merged branches from the vertebral check here arteries that runs together the anterior area of the spinal cord.
blood-Mind barrier (BBB) – physiological barrier amongst the circulatory system as well as the central nervous method that establishes a privileged blood supply, limiting the move of substances into your CNS.
articular cartilage – skinny layer of cartilage covering an epiphysis; lessens friction and acts as a shock absorber.