Astrocytes - Guías de estudio, Notas de estudios & Resúmenes

NSC Exam 1 Questions & Answers 2024/2025 4 neuron functional zones - ANSWERSinput zone - dendrites integration zone - axon hillock conduction zone - axon output zone - axon terminals What kind of neurons make up most of the CNS? - ANSWERSinterneurons astrocytoma - ANSWERStumor in brain or spinal cord - cancerous - astrocytes rapidly multiplying Alexander disease - ANSWERSgenetic mutation causes astrocytes unable to get rid of GFAP (something they produce) --> they fill ...

Astrocytes - ️️glial, maintain ionic environment Lumbar - ️️hips and legs Tetrodoxin (TTX) - ️️- found in puffer fish ovaries - one could kill 30 adult humans - causes death via paralysis of respiratory muscles - fish has TTX resistant Na channels - irreversibly blocks channel Dermatomes - ️️spinal nerves innervate sections of the skin, message from certain section of skin is sent to certain section of spine - skin corresponds to spin 1. cervical 2. thoracic 3. lumbar...

Where can you find bipolar neurons? Retina of the eye, olfactory region, and inner ear Where can you find unipolar neurons? Most sensory Where can you find multipolar neurons? Most CNS and efferent neurons Neuroglia of the CNS -astrocytes (blood-brain barrier) -microglial cells -ependymal cells -oligodendrocyte Neuroglia of the PNS -Schwann cells -satellite cells Olfactory nerve (CNI) 1- Smell Optic nerve (CNII) 2- visual

BIOD 152 Sensory Information Module 2 Exam Questions with Approved answers 2023/2024 This is the most superficial layer of the brain meninges - correct answer Dura Mater (Menix) This layer of the meninges is tightly attached to the brain. - correct answer Pia mater (Menix) The _______ fissure separates the right and left cerebral hemispheres. - correct answer median The ______ fissure separates the cerebrum from the cerebellum. - correct answer Transverse Describe the functi...

Reductionist approaches involve trying to explain ___. Answer: large things in terms of smaller things Ramón y Cajal suggested that the nervous system is composed of individual nerve cells - an idea known as the ___. Answer: neuron doctrine The effort to understand normal behavioral functioning by studying people with brain injuries is known as ___. Answer: neuropsychology A so-called split-brain patient has undergone surgery to have the ___ cut in half. Answer...

Bio 227 Lab Exam 3 Cory Hanley with Complete Solutions Where can you find bipolar neurons? Answer-Retina of the eye, olfactory region, and inner ear Where can you find unipolar neurons? Answer-Most sensory Where can you find multipolar neurons? Answer-Most CNS and efferent neurons Neuroglia of the CNS Answer--astrocytes (blood-brain barrier) -microglial cells -ependymal cells -oligodendrocyte

What is an agonist? Answer: Prime mover QUESTION What is an antagonist? Answer: Opposes action of the prime mover QUESTION What is a synergist? Answer: An "assistant" or "helper" muscle to the agonist QUESTION What is a fixator? Answer: Stabilizes muscles QUESTION What is the origin? Answer: Point of origin for a muscle with NO movement QUESTION What is the insertion Ans...

RGC-32 as a key regulator of Th17 cell differentiation Using an RGC-32 knock-out (KO) mouse model, we have been able to demonstrate that RGC-32 promotes the differentiation of Th17 cells both in vitro and in vivo. When compared to wild-type (WT) cells, CD4+ cells isolated from RGC-32 KO mice express lower levels of IL-17, as well as some of the transcription factors necessary for Th17 differentiation, including retinoic acid receptor-related orphan receptor gamma t (RORgt), B cell–ac...

Bio 210 chapter 11 questions and answers rated A+ The nervous system is? The master controlling and communicating system of the body The three functions of the nervous system are? 1. Sensory input 2. Integration 3. Motor output The sensory input gathers information by the internal and external sensory receptors The integration function processes and interprets the sensory input The motor output function activates the effector organs (muscles and glads) and produces the appro...

1. Which glial are responsible for maintaining the integrity of the extracellular fluid that surrounds neurons? A) Oligodendrocytes B) Astrocytes C) Microglial cells D) Stellate cells - B) Astrocytes 2. At what point do the sensory axons from the periphery enter the spinal cord? A) Central nuclei B) Ventral nuclei C) Dorsal root ganglia D) Ventral white matter - C) Dorsal root ganglia 3. Some neurons have long axons that stretch from one part of the CNS to another. What are these c...