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Periumbilical area is innervated by which sensory dermatome?
The periumbilical area is primarily innervated by the T10 dermatome.
What do Muscarinic receptors bind?
Muscarinic receptors bind acetylcholine, which is a neurotransmitter in the parasympathetic nervous system. Activation of muscarinic receptors leads to various physiological responses in organs and tissues innervated by parasympathetic neurons.
What does avascular but innervated mean?
"Avascular but innervated" means that a tissue or structure lacks a direct blood supply (avascular), but it still has nerve supply (innervated). This usually indicates that the tissue relies on diffusion for its nutrient and oxygen supply, while still being able to communicate with the nervous system. Examples include the cornea of the eye and cartilage in joints.
Which target tissues does not receive dual innervation?
Sweat glands and piloerector muscles in the skin do not receive dual innervation, meaning they are only innervated by the sympathetic nervous system. This allows for a coordinated response in the body's fight-or-flight response.
What fibers are the sweat glands innervated by?
Sweat glands are innervated by adrenergic sympathetic nerve fibers from the autonomic nervous system. These fibers release norepinephrine, which stimulates the sweat glands to produce sweat.
What target tissues are innervated by only neurons from the sympathetic nervous system?
adrenal medulla
What three muscles are innervated by nerves?
Three muscles that are innervated by specific nerves include the biceps brachii, which is innervated by the musculocutaneous nerve; the quadriceps femoris, innervated by the femoral nerve; and the diaphragm, which is innervated by the phrenic nerve. Each of these nerves plays a crucial role in controlling muscle movement and function.
Muscle inserts into the mastoid process?
Posterior Belly of Digastric Muscle (innervated by CN VII) Facial nerve Sternocleidomastoid (innervated by CN XI) Spinal accessory nerve Longissimus Capitis (innervated by dorsal rami of C3-C8 spinal nerves) Splenius Capitis (innervated by dorsal rami of middle cervical spinal nerves)
Are the limbs innervated by the motor and sensory neurons?
Yes, the limbs are innervated by both motor and sensory neurons.
Periumbilical area is innervated by which sensory dermatome?
The periumbilical area is primarily innervated by the T10 dermatome.
What system do nerve cell bodies lie closest to the organs being innervated?
The system that nerve cell bodies lie closest to the organs being innervated is the peripheral nervous system. Nerve cell bodies are located in ganglia along the pathway of peripheral nerves, which then extend from the spinal cord to innervate organs and tissues throughout the body.
What is innervated tissue?
Innervated tissue refers to any type of tissue that is supplied with nerves, enabling it to receive signals from the nervous system. This can include various types of tissues, such as muscle, skin, and organs, allowing them to respond to stimuli and perform functions like movement, sensation, and regulation. The presence of nerves is crucial for communication between the tissue and the central nervous system.
What is the Innervation of visceral and parietal pleura?
The visceral pleura is innervated by autonomic nerves that travel with the bronchial blood vessels. The parietal pleura is innervated by somatic nerves, specifically the intercostal nerves and the phrenic nerve.
What do Muscarinic receptors bind?
Muscarinic receptors bind acetylcholine, which is a neurotransmitter in the parasympathetic nervous system. Activation of muscarinic receptors leads to various physiological responses in organs and tissues innervated by parasympathetic neurons.
What does interval?
In the medical and scientific fields, innervated means "to supply an organ with nerves." Other body parts besides organs can be innervated.
What interval mean?
In the medical and scientific fields, innervated means "to supply an organ with nerves." Other body parts besides organs can be innervated.
Which parts of the gastrointestinal tract are innervated by the somatic nervous system?
GI tract is innervated locally by the enteric nervous system and activity of the Cajal pacemaker cells and by the autonomic nervous system (sympathetic / parasympathetic). It is not innervated by the somatic nervous system. I'm a neurobiologist/physiologist.
