The action of lifting an arm can seem like a thoughtless movement‚ however‚ there is complex and intricate process that goes on within the human body to make that small movement happen. It involves bones‚ muscles‚ and nerves to complete this process‚ but it would not be able to start without a certain subconscious thought beforehand. Lateral abduction of the arm is defined as raising the humerus‚ radius‚ and ulna bones to ninety degrees‚ parallel to the ground‚ with the elbow extended‚ and wrist
Premium Brachial plexus
separating the muscles into two osteofascial compartments: the anterior and the posterior compartments of the arm. The fascia merges with the periosteum (outer bone layer) of the humerus. The compartments contain muscles which are innervated by the same nerve and perform the same action.[citation needed] Two other muscles are considered to be partially in the arm: The large deltoid muscle is considered to have part of its body in the anterior compartment. This muscle is the main abductor muscle
Premium Brachial plexus
microvilli that project through pores and chemically sense food. Gustatory receptor cells communicate with cranial nerve axon endings to transmit sensation to the brain. There are five taste sensations located on the tongue. They are sweet located front middle‚ sour located middle sides‚ salty located front side/tip‚ bitter located back‚ and umami located posterior pharynx. The cranial nerves that are associated with our taste sense are VII Facial located within the tongue‚ IX Glossopharyngeal located
Premium Olfaction Ear Eye
Abstract Paralysis of a facial nerve (i.e. CN VII) is frequently diagnosed as Bell’s palsy. Patients who suffer from Bell’s palsy often experience unilateral loss of facial muscle function which presents as drooping of the eyelid and corner of mouth‚ impaired taste‚ hypersensitive hearing‚ and general loss of facial muscle function on the affected side of the face. Loss of nerve function occurs as a result of inflammation at the geniculate ganglion which causes nerve damage and may eventually lead
Premium
over would trigger the onset of glaucoma. When this pressure rises‚ it presses on and causes harm to the optic nerve. Any damage to the optic nerve would prevent visual information from being sent to the brain and therefore visual loss occurs. The exact pathophysiology of glaucoma is not fully comprehended but experts believe that the rise in pressure on the retina causes cells and nerve ganglions in the retina to die. Moreover‚ compression of small blood vessels occur in the retina and this deprives
Premium Eye Ophthalmology Blindness
Effect of Vagus Nerve Stimulation Lab Report Pre-lab Quiz Results You scored 100% by answering 4 out of 4 questions correctly. 1. The effect of the parasympathetic nervous system on the heart is to You correctly answered: a. decrease the heart rate. 2. The branch of the autonomic nervous system that dominates during exercise is You correctly answered: b. the sympathetic branch. 3. Parasympathetic stimulation reaches the heart through You correctly answered: d. vagus nerves‚ which are cranial
Premium Parasympathetic nervous system Heart Nervous system
Sciatic Pain Keyword: Back Pain Therapy What is the Sciatic Nerve? The sciatic nerve is the most massive single nerve in the body that bridges the spine and the lower extremities. It is fed by a total of five nerves originating from the spinal cord‚ transcending the length of the lower spine to the buttocks‚ branching out‚ and continuing to the foot. It innervates the skin and muscles of the lower limbs via the tibial and peroneal nerves. It also provides strength to the legs and is responsible for
Premium Muscle Spinal disc herniation Pain
nervous‚ integumentary‚ and muscular 2. List the names of the specific structures that had to be reattached. Specific Bone: Humerus ; Specific Muscles: Biceps brachii‚ brachialis‚ triceps ; Specific nerves: Median nerve‚ ulnar nerve‚ radial nerve‚ musculocutaneous nerve‚ antebrachial cutaneous nerves ; Specific Blood Vessels: Brachial artery‚ superior and inferior collateral artery‚ profunda brachii artery and veins‚ cephalic vein‚ basilic vein‚ and other venous tributaries 3. What organ system
Premium Brachial plexus Forearm Heart
of it‚ you walk into the fog. Within seconds of inhaling the mist you collapse to the ground shaking violently‚ unable to breathe. Within minutes you and countless people around you are dead. What just happened was a chemical weapon attack with the nerve gas VX‚ one of the many chemical weapons out there in military warehouses and labs. Biological warfare is the deadly sister to chemical warfare‚ it uses diseases such as botulism and anthrax to try to wipe out soldiers and civilians alike. Even with
Premium Sarin Biological warfare
Fascia Lata Floor: Iliopsoas (lateral) and Pectinius (medial) Contents: Femoral Nerve‚ Artery‚ Vein‚ Empty Space and Lymph nodes (a.k.a. NAVEL [Lateral to medial orientation]) Femoral Sheath contains Femoral Artery‚ Vein‚ and Empty Space (a.k.a. Shave the NAVEL [Lateral to medial orientation]) Femoral Nerve‚ Artery and vein become are named as such when they pass under the inguinal ligament. Femoral nerve is most lateral‚ followed by the femoral sheath (extension of deep fascia of the abdomen)
Premium Pelvis Knee