human anatomy and physiology notes Things To Know Before You Buy

arachnoid mater – middle layer with the meninges named for the spider-Net–like trabeculae that extend in between it along with the pia mater.

cutaneous membrane – pores and skin; epithelial tissue created up of a stratified squamous epithelial cells that include the surface in the body.

blood circulation – motion of blood by way of a vessel, tissue, or organ that is usually expressed when it comes to quantity per unit of your time.

acrosome – cap-like vesicle located for the anterior-most area of a sperm that is definitely prosperous with lysosomal enzymes capable of digesting the protective layers bordering the oocyte.

Command centre – compares values to their usual range; deviations trigger the activation of an effector.

anterior column – white subject in between the anterior horns of your spinal cord made up of many various groups of axons of the two ascending and descending tracts.

Nevertheless, erect posture has designed a number of mechanical difficulties—especially, pounds bearing. These troubles have needed to be satisfied by adaptations in the skeletal system.

counter current multiplier system – will here involve the descending and ascending loops of Henle directing forming urine in opposing directions to create a concentration gradient when coupled with variable permeability and sodium pumping.

aortic arch – arc that connects the ascending aorta click here into the descending aorta; ends with the intervertebral disk among the fourth and fifth thoracic vertebrae.

During the chest and abdomen, several different inside membranes retain key organs like the lungs, heart, and kidneys individual from Some others.

course switching – capacity of B cells to change the course of antibody they deliver without altering the specificity for antigen.

corneal reflex – protective reaction to stimulation in the cornea resulting in contraction of the orbicularis oculi muscle causing blinking of the attention.

adductor tubercle – modest, bony bump Found to the top-quality element of the medial epicondyle with the femur.

carbonic anhydrase (CA) – enzyme that catalyses the response that triggers carbon dioxide and drinking water to type carbonic acid.