decussate – to cross the midline, as in fibres that undertaking from a single aspect with the body to the opposite.

appendicular skeleton – all bones in the upper and reduced limbs, in addition the girdle bones that attach Every single limb for the axial skeleton.

codon – consecutive sequence of three nucleotides on an mRNA molecule that corresponds to a specific amino acid.

choroid – highly vascular tissue inside the wall of the eye that provides the outer retina with blood/

cerebellum – region on the Grownup Mind related principally towards the pons that designed from the metencephalon (combined with the pons) and is essentially liable for comparing facts in the cerebrum with sensory feed-back from your periphery from the spinal wire.

adrenal medulla – inner layer in the adrenal glands that plays a vital purpose during the pressure response by generating adrenaline and noradrenaline.

atrioventricular (AV) node – clump of myocardial cells situated in the inferior percentage of the ideal atrium throughout the atrioventricular septum; gets the impulse in the SA node, pauses, and after that transmits it into specialised conducting cells inside the interventricular septum.

cornea – fibrous masking with the anterior region of the eye that is certainly clear to ensure light-weight can go through it.

aortic sinuses – small pockets during the ascending aorta close to the aortic valve that happen to be the destinations with the baroreceptors (stretch receptors) and chemoreceptors that set off a reflex that aids from the regulation of vascular homeostasis.

The relationship of your ribs towards the breastbone—the sternum—is in all situations a secondary a person, introduced about through the rather pliable rib (costal) cartilages. The little joints among the ribs and also the vertebrae permit a gliding motion of your ribs about the vertebrae in the course of respiratory along with other pursuits. The movement is limited through the ligamentous attachments among ribs and vertebrae.

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

astrocyte – star-shaped cell during the central anxious process that regulates ions and uptake and/or breakdown of some neurotransmitters and contributes to your formation in the blood-brain barrier.

bulbus cordis – portion of the primitive heart tube that can ultimately develop into the proper human anatomy and physiology ventricle.

adaptive immune reaction – comparatively slow but really particular and successful immune reaction managed by lymphocytes.