What is the Extent and Parts of Ureter? The Ureters are a pair of thick-walled, narrow muscular tubes that drains the urine from the kidney to the urinary bladder by peristaltic contractions ofRead More…
19Jul/18
Pteryygoid Venous Plexus
Where is Pterygoid Venous Plexus Located? Location: Pterygoid venous plexus is located around the maxillary artery and lateral pterygoid muscle in the infratemporal fossa. Enumerate the tributaries of Pterygoid Venous Plexus. Tributaries:Read More…
Temporal Fossa
What are the Boundaries of Temporal Fossa? Temporal region is on the lateral aspect of skull above the zygomatic arch up to the superior temporal line. Temporal fossa forms the floor ofRead More…
Skeletal Muscle-Nerve Supply
Describe the nerve supply of skeletal muscle. Skeletal muscle is supplied by somatic nerves. The nerve to a skeletal muscle is a mixed nerve containing 60% motor and 40% sensory fibers. Motor supplyRead More…
Muscle Classification – Based on Action
Classify Skeletal Muscles According to Their Action. Skeletal muscles are classified on the basis of action as follows: a. Prime movers Muscles that are responsible for the initiation and maintenance of theRead More…
Skeletal Muscle – Parts and Classification
What are the parts of Skeletal Muscle? Skeletal muscle consists of two parts: • Fleshy part – is the contractile part called as muscle belly. • Fibrous part – is the non-contractileRead More…
Referred Pain
What is the anatomical basis of referred pain? The pain arising from diseased viscera is referred to the skin which is innervated by the same spinal segment/s that supply the diseasedRead More…
Upper and Lower Motor Neuron – Lesions
What are upper and lower motor neurons? Upper and lower motor neurons control the voluntary movements. Upper motor neurons are located mainly in the primary motor and premotor areas of cerebrum. LowerRead More…
Synapses – Definition, Types and Structure
Define synapse and describe its features. The junction between two neurons across which the nerve impulse passes from one neuron to another is called synapse. There is no actual contact between theRead More…
Autonomic Nervous System – Sympathetic and Parasympathetic
What are the functions and subdivisions of Autonomic Nervous System? Autonomic nervous system (ANS): Controls involuntary activities of the body. It helps to maintain a constant internal body environment (homeostasis). It controlsRead More…