About human anatomy & physiology

About human anatomy & physiology

Blog Article

ascending tract – central nervous method fibres carrying sensory information through the spinal twine or periphery to your brain.

acinus – cluster of glandular epithelial cells in the pancreas that secretes pancreatic secretion while in the pancreas.

cortical response – pursuing fertilisation, the release of cortical granules in the oocyte’s plasma membrane into the zona pellucida making a fertilisation membrane that prevents any further attachment or penetration of sperm; part of the sluggish block to polyspermy.

dentin – bone-like tissue quickly deep on the enamel from the crown or cementum of the basis of the tooth.

chordae tendineae – string-like extensions of difficult connective tissue that stretch through the flaps of your atrioventricular valves towards the papillary muscles.

blood–testis barrier – limited junctions involving Sertoli cells that prevent bloodborne pathogens from attaining use of later on phases of spermatogenesis and forestall the prospective for an autoimmune reaction to haploid sperm.

chorionic villi – projections of your chorionic membrane that burrow to the endometrium check here and produce in the placenta.

anterior median fissure – deep midline characteristic of the anterior spinal cord, marking the separation amongst the proper and left sides in the twine.

canaliculi – (singular = canaliculus) channels inside the bone matrix that residence considered one of an osteocyte’s quite a few cytoplasmic extensions that it takes advantage of to communicate and receive nutrients.

brachial vein – deeper vein with the arm that varieties in the radial and ulnar veins while in the decreased arm; leads to the axillary vein.

acromioclavicular joint – articulation between the acromion on the scapula and the acromial end from the here clavicle.

brachiocephalic vein – among a pair of veins that sort from a fusion of the exterior and internal jugular veins along with the subclavian vein; subclavian, external and internal jugulars, vertebral, and interior thoracic veins produce it; drains the upper thoracic location and flows in the excellent vena cava.

descending aorta – percentage of the aorta that proceeds downward earlier the tip with the aortic arch; subdivided in the thoracic aorta along with the abdominal aorta.

corona radiata – in an oocyte, a layer of granulosa cells that surrounds the oocyte Which has to be penetrated by sperm ahead of fertilisation can happen.