Mesencephalon Study guides, Class notes & Summaries

Respiration relies on the muscles of inspiration & expiration. The thick, dome-shaped muscle that separates the abdomen from the thorax is the... A. sternocleidomastoid B. Levator costarum longis C. serratus posterior superior D. pectoralis major E. diaphragm - Answer- E. diaphragm Most pharyngeal muscles are innervated by the cranial nerves ... A. V,VII B. XI, XII C. X, XI D. IX, X E. VIII, X - Answer- D. IX (glossopharyngeal), X (vagus) --> these CN's make up the pharyngea...

Endoderm develops into - ANSWER 1. Organs 2. GI tract 3. Respiratory tract Paraxial mesoderm is divided into - ANSWER 1. Somatic 2. Splanchnic Somatic paraxial mesoderm develops into - ANSWER Skeletal muscle Splanchnic paraxial mesoderm develops into - ANSWER Visceral smooth muscle Intermediate mesoderm develops into - ANSWER 1. Urogenital system 2. Kidneys Lateral plate mesoderm develops into - ANSWER 1. Adrenal cortex 2. Blood and lymph cells Ectoderm is divided into - ANSWER 1. Sur...

Human brain size - volume: cc weight: 1.35-1.4kg (3lbs) Major Regions of Human Brain - Cerebrum; Diencephalon; Brainstem; Cerebellum Rostral - toward the nose (synonymous with anterior) Caudal - toward the tail (synonymous with posterior) 3 primary brain vesicles -by the late 4th week of development. Prosencephalon (forebrain); Mesencephalon (midbrain); Rhombencephalon (hindbrain) 5 secondary brain vesicles - by the fifth week the 3 vesicles develop into 5 secondary brain vesicles; Telen...

PDF Practice Exam Questions & Answers 2023/2024 Manipulations: Block glutamate release - ANSWER-Light: Neither Dark: Both Manipulations: Add AMPA receptor antagonist - ANSWER-Light: Neither Dark: OFF Manipulations: Add mGluR - ANSWER-Light: Neither Dark: ON You discover a new type of super-tasting animal. You isolate many of the neurons which express taste receptors, and expose the neurons to a variety of tastants. You find that each neuron responds strongly to only one tastant,...

USMLE STEP 1 Neurology Exam Review 2023 The notochord induces what to differentiate into what? - Answer-Induces overlying ECTODERM to differentiate into NEUROECTODERM and form NUERAL PLATE Neural plate then gives rise to? - Answer-Neural tube and neural crest cells Notochord becomes what? - Answer-Nucleus pulposus of the intervertebral disks in adults Alar Plate - Answer-Dorsal [Sensory] Same orientation as spinal cord Basal Plate - Answer-Ventral [Motor] Same orientation as the spin...

Respiration relies on the muscles of inspiration & expiration. The thick, dome-shaped muscle that separates the abdomen from the thorax is the... A. sternocleidomastoid B. Levator costarum longis C. serratus posterior superior D. pectoralis major E. diaphragm - Answer- E. diaphragm Most pharyngeal muscles are innervated by the cranial nerves ... A. V,VII B. XI, XII C. X, XI D. IX, X E. VIII, X - Answer- D. IX (glossopharyngeal), X (vagus) --> these CN's make up the pharyngea...

GRE Psychology - Biological Psychology Exam Review Solution Central Nervous System - Ans->>- composed of the brain and spinal cord Peripheral Nervous System - Ans->>- the pathway that runs to and from the CNS - afferent fibers run toward the CNS; efferent fibers run away from the CNS - composed of: 1) Somatic Nervous System - controls voluntary movements of the striated muscles 2) Autonomic Nervous System - involuntary movements of the smooth muscles, 2 parts: a) Sympathetic n...

there is a midbrain-diencephalic junction that has a _______ bend - 90 degree structure above midbrain, the front is _______ and back is ________ - rostral, caudal midbrain and below, the spinal cord is - perpendicular structures below the midbrain, the superior is _______ and the inferior is ________ - rostral, caudal autonomic is part of the motor division of PNS. t/f - true autonomic control is a 2 neuron system. How so? - CNS to ganglion, ganglion to effector (example motor to autonomi...

Cell process affected in Reyes syndrome? correct answersdecrease B-oxidation in mitochondria Borderline personality disorder? correct answersunstable mood, self mutilation, sense of emptiness, splitting Histrionic personality disorder? correct answersExcessively emotional, excitable, attention seeking, sexuall provocative Dependent personality disorder? correct answerssubmissive and clingy, often in abusive relationships What does muscle atonia during REM sleep look like? correct ans...

Central Nervous System Correct Answer - composed of the brain and spinal cord Peripheral Nervous System Correct Answer - the pathway that runs to and from the CNS - afferent fibers run toward the CNS; efferent fibers run away from the CNS - composed of: 1) Somatic Nervous System - controls voluntary movements of the striated muscles 2) Autonomic Nervous System - involuntary movements of the smooth muscles, 2 parts: a) Sympathetic nervous system - arousal b) Parasympathetic nervous syste...