circadian rhythm – internal perception in the daily cycle of sunshine and dark according to retinal exercise related to sunlight.
binocular depth cues – indications of the gap of Visible stimuli on The premise of slight dissimilarities in the photographs projected onto possibly retina.
cribriform plate – tiny, flattened locations with numerous small openings, located to both side of your midline in the floor with the anterior cranial fossa; fashioned by the ethmoid bone.
cleavage furrow – contractile ring that varieties about a mobile throughout cytokinesis that pinches the mobile into two halves.
cervical vertebrae – 7 vertebrae numbered as C1–C7 that are located in the neck location of the vertebral column.
crista galli – smaller upward projection Situated on the midline in the ground of your anterior cranial fossa; fashioned with the ethmoid bone.
bursa – connective tissue sac that contains lubricating fluid that stops friction concerning adjacent constructions, for example pores and skin and bone, tendons and bone, or concerning muscles.
brachial artery – continuation with the axillary artery from the brachium; provides blood to Considerably from the brachial region; presents off quite a few scaled-down branches that present blood on the posterior floor in the arm while in the region of the elbow; bifurcates into your radial and ulnar arteries for the coronoid fossa.
aortic sinuses – modest pockets inside the ascending aorta read more near the aortic valve which have been the spots of your baroreceptors (stretch receptors) and chemoreceptors that induce a reflex that aids within the regulation of vascular homeostasis.
dihydroxyvitamin D – Lively sort of vitamin D demanded by the intestinal epithelial cells for the absorption of calcium.
aortic hiatus – opening while in the diaphragm which allows passage of the thoracic aorta into the abdominal area wherever it gets the abdominal aorta.
anterior spinal artery – blood vessel from the merged branches of the vertebral arteries that operates along the anterior surface area in the spinal cord.
Of those features, assist is considered the most primitive as well as oldest; Furthermore, the axial check here Component of the skeleton was the main to evolve. The vertebral column, similar to the notochord in lessen organisms, is the most crucial guidance with the trunk.
brush border – shaped by microvilli over the surface of particular cuboidal cells; inside the kidney it is actually located in the PCT; increases surface region for absorption inside the kidney.