5 Simple Techniques For human anatomy and physiology definition

circle of Willis – (also, arterial circle) anastomosis located at The bottom of your Mind that ensures continual blood provide; formed from branches of The interior carotid and vertebral arteries; materials blood into the Mind.

amino acid – a protein’s monomer; incorporates a central carbon or alpha carbon to which an amino team, a carboxyl team, a hydrogen, and an R group or facet chain is connected; the R team is different for all twenty frequent amino acids.

cribriform plate – tiny, flattened places with several little openings, Found to either facet with the midline in the ground of your anterior cranial fossa; shaped from the ethmoid bone.

central canal – longitudinal channel inside the centre of every osteon; has blood vessels, nerves, and lymphatic vessels; generally known as the Haversian canal.

acetabulum – massive, cup-formed cavity located around the lateral aspect from the hip bone; shaped by the junction of your ilium, pubis, and ischium parts of your hip bone.

Brodmann’s locations – mapping of locations in the cerebral cortex based on microscopic anatomy that relates certain parts to functional discrepancies, as described by Brodmann while in the early 1900s.

brain – the massive organ from the central nervous system composed of white and gray matter, contained inside the cranium and ongoing Together with the spinal twine.

amygdala – nucleus deep from the temporal lobe from the cerebrum that is connected with memory and emotional behaviour.

angiotensin I – protein produced website by the enzymatic motion of renin on angiotensinogen; inactive precursor of angiotensin II.

Body composition functions depend upon their type. The best way constructions operate rely upon the way in which They may be arranged. So knowledge Physiology involves an idea of Anatomy, and vice versa.

activation gate – Element of the voltage-gated Na+ channel that opens once the membrane voltage reaches threshold.

alveolar duct – smaller tube that sales opportunities with the terminal bronchiole to your respiratory bronchiole and is also the point of attachment for alveoli.

bulbourethral glands – (also, Cowper’s glands) glands that secrete a lubricating mucus that cleans and lubricates the click here urethra just before And through ejaculation.

cytokinesis – remaining stage in cell division, where by the cytoplasm divides to type two individual daughter cells.