Biology High School

Viewed in cross-section, the spinal cord is roughly _____, but slightly _____ both posteriorly and anteriorly

Answers

Answer 1

Viewed in cross-section, the spinal cord is roughly oval, but slightly flattened both posteriorly and anteriorly. The flattened regions are called the dorsal and ventral horns, respectively.

The spinal cord is a long, cylindrical bundle of nerve fibers and associated tissue that runs from the brain stem to the lower back. It is a crucial part of the central nervous system and plays a vital role in transmitting sensory and motor signals between the brain and the rest of the body. The oval shape of the spinal cord allows it to fit snugly within the vertebral column, which protects it from damage.

Learn more about spinal cord here:

https://brainly.com/question/23916836

#SPJ11

Related Questions

Question 2
The end of a neuron, where acetylcholine-filled vesicles are located, is called the __________.
a. acetylcholine receptor
b. motor end plate
c. synaptic cleft
d. synaptic terminal

Answers

The end of a neuron, where acetylcholine-filled vesicles are located, is called the synaptic terminal (option d).

The correct answer to the question is d. synaptic terminal. The synaptic terminal, also known as the axon terminal or presynaptic terminal, is the end of a neuron's axon where neurotransmitters are stored in vesicles. When an action potential reaches the terminal, it triggers the release of neurotransmitters such as acetylcholine into the synaptic cleft, the small gap between the terminal and the next neuron's dendrites or cell body.

Acetylcholine is a neurotransmitter involved in many bodily functions, including muscle movement, attention, learning, and memory. It is stored in vesicles within the synaptic terminal and released into the synaptic cleft when an action potential reaches the terminal. Once released, acetylcholine binds to receptors on the next neuron, triggering a response in that neuron.

Vesicles are small sacs that are used to transport and store various molecules within cells. In neurons, vesicles are used to store and transport neurotransmitters. When an action potential reaches the terminal, it triggers the release of the neurotransmitter-filled vesicles into the synaptic cleft.

In summary, the synaptic terminal is the end of a neuron where acetylcholine-filled vesicles are located. When an action potential reaches the terminal, it triggers the release of acetylcholine into the synaptic cleft, where it binds to receptors on the next neuron and triggers a response. Vesicles are used to store and transport neurotransmitters within neurons.

Visit here to learn more about neurons:

brainly.com/question/31215300

#SPJ11

It allows us to look at distance vision with the Snellen.

Answers

The Snellen chart allows us to test distance vision. The Snellen chart is a tool used by eye doctors to measure a person's ability to see objects at a distance. The chart consists of letters or symbols in varying sizes that are placed at a distance of 20 feet from the patient.

The patient is asked to read the letters from the largest to the smallest until they are no longer able to see them clearly. This test helps to determine a person's visual acuity and is often used as a standard for measuring distance vision.

Their performance is recorded as a fraction (e.g., 20/20 or 6/6), with the numerator representing the distance they were from the chart and the denominator indicating the line they were able to read. This helps determine the sharpness and clarity of their distance vision.

learn more about Snellen chart

https://brainly.com/question/29736973

#SPJ11

Where is the external jugular vein located?â
âA) lower back
âB) head
âC) neck
âD) chest

Answers

The external jugular vein is located in option C) neck. This vein is an essential part of the circulatory system.

This vein is an essential part of the circulatory system and plays a vital role in returning deoxygenated blood from the head and neck region to the heart. It runs diagonally across the sternocleidomastoid muscle, a prominent neck muscle, and drains into the subclavian vein. The external jugular vein is larger and more superficial than the internal jugular vein, making it more visible and palpable in some individuals. Its primary function is to drain blood from the scalp, face, and parts of the neck, ensuring that oxygen-depleted blood is efficiently returned to the heart for reoxygenation and recirculation.

Learn more about muscle :

https://brainly.com/question/9883108

#SPJ11

cAMP usually directly activates __________.
SHOW HINT
a) phosphodiesterase
b) adenylyl cyclase
c) protein kinase A
d) receptor tyrosine kinases
e) G proteins

Answers

Answer:b  

Explanation:b

Other Questions
according to this diagram, the result of spermatogenesis is four sperm cells, each with -a - complete copies of all the original chromosomesb - half of the original number of chromosomesc - genetically identical strands of DNAd - strands of DNA that resulted from crossing over Volcanism at divergent plate boundaries is most often associated with which magma type? What causes rocks to melt in these settings? A person is assuming responsibility for a $335 000 loan which should be repaid in 15 equal repayments of Sa, the first one immediately and the following after each of the coming 14 years. Find a if the annual interest rate is 14%. What is the agency that provides examinations for national certification of EMS providers? 118. Off-the-job training techniques include lecture and video presentations, apprenticeships, and self-study. True False why is mr fanthorp on board the karnak? how did poirot come to suspect his involvement? In a tennis tournament, each player wins k hundreds of dollars, where k is the number of people in the subtournament won by the player (the subsection of the tournament including the player, the player's victims, and their victims, and so forth; a player who loses in the first round gets $100). If the tournament has n contestants, where n is a power of 2, find and solve a recurrence relation for the total prize money in the tournament On January 6, Blue Spruce Corp. sells merchandise on account to Harley Inc. for $9,400, terms 3/10, n/30. On January 16, Harley pays the amount due. Prepare the entries on Blue Spruce Corp.s books to record the sale and related collection. (Omit cost of goods sold entries.) (Credit account titles are automatically indented when amount is entered. Do not indent manually. Record journal entries in the order presented in the problem.) Solve triangle ABC subject to the given conditions, if possible. Round the lengths of the sides and the measures of the angles (in degrees) to at least 2 decimalplaces, if necessary.a-13.9, b-15.2, c-25.7 Strategies for reducing bias during assessment include- Considering each student's needs and background individually to ensure that assessment measures are appropriate. For example, the student's culture, home language, family socioeconomic status, or environment may influence performance on an assessment.- Following guidelines in the IEP without introducing other accommodations that are not specified- Using a rubric or checklist to score responses- Recording oral responses for later review by an additional rater- Establishing rapport with the student while maintaining a professional role 13) What is the solution to the equation 2x + 6-3 = 19?a) -3b) -1c) 5d) 7 A numbers pyramid for a single tree ecosystem would have a small base compared to la _ de fresas terminaba y al volver a casa me di cuenta de que todo lo que nos perteneca ya estaba Ann wants to buy a condominium that costs $69,000. The bank requires a 20% down payment. The rest is financed with a 15-year, fixed-rate mortgage at 4.5% annual interest with monthly payments. Complete the parts below. Do not round any intermediate computations. Round your final answers to the nearest cent if necessary. If necessary, refer to the list of financial formulas. (a) Find the required down payment. 3 ? $ 1) (b) Find the amount of the mortgage. $ (c) Find the monthly payment. $ ] Which of the following is NOT an interaction among body systems? A. The circulatory system works with the digestive system to deliver digested nutrients to cells. B. The nervous system send signals to the musculoskeletal system to cause movement. C. The excretory system works with the circulatory system to remove toxic carbon dioxide from cells. D. The immune system gathers information for the respiratory system to aid in white blood cell production. Suppose two portfolios have the same average return, the same standard deviation of return but portfolio A has a higher beta than portfolio B. According to the Sharpe ratio, portfolio A's performance is O a poorer than B O b. better than B O c. not enough information is given O d. the same as B How does the immune system response to foreign antigens? Which of the following would not be a feature of coastal erosion?a. Sea cave.b. Baymouth barrier.c. Sea stack.d. Headland. about 1 in 4 new HIV infections in among what age group because most of them do not know they are infected, are not getting treated, and can unknowingly pass the virus on to others? During capillary action, the water will rise higher in which situation?