Write a short note on peripheral nervous system of cockroach.

Monjur Alahi

Write a short note on peripheral nervous system of cockroach.


0 like 0 dislike
1 views
Share with your friends

1 Answers

Salim Ahmed Kawsar

Call

Peripheral nervous system (PNS): 

1. The peripheral nervous system comprises of nerves that arise from various ganglia of CNS. 

2. Six pairs of nerves arise from the supraoesophageal ganglia.They supply to the eyes, antenna and labrum.

3. Nerves arising from the suboesophageal ganglion supply to the mandibles, maxillae and labium. 

4. Nerves arising from the thoracic ganglia supply to the wings, legs and internal thoracic organs. 

5. Nerves from abdominal ganglia go to the abdominal organs of respective abdominal segments.

0 like 0 dislike
1 views
Talk Doctor Online in Bissoy App
Write a short note on pitch of sound note.

1. Pitch refers to the sharpness or shrillness of sound. 2. Increase in frequency of sound results in increase in the pitch and the sound is said to be sharper. 3. Tone...

2 Answers 1 views
Write a short note on quality (timbre) of sound note.

i. Timbre of a sound refers to the quality of the sound which depends upon the mixture of tones and overtones in the sound. Same sound played on different musical...

2 Answers 1 views
The parasympathetic and sympathetic nervous systems make up the ……….. nervous system.

(B) autonomous

2 Answers 1 views
The gland which acts like a bridge between nervous system and endocrine system is ………

(D) Pituitary gland

2 Answers 1 views
Write a short on body cavity of cockroach.

1. Cockroach has a body cavity or true coelom present around the viscera.  2. The body cavity of cockroach is known as haemocoel as it is filled with haemolymph (blood). Cockroaches...

2 Answers 1 views
Write in short about the spiracles in cockroach.

Spiracles: They are paired respiratory openings. Spiracles are present on the ventrolateral side of the body, in pleural membrane. Cockroaches have two pairs of thoracic and eight pairs of abdominal...

2 Answers 1 views
Write a short note on exoskeleton of cockroach.

Exoskeleton: Tough, waxy, non-living chitinous exoskeleton protects the body of the cockroach. It is made up of nitrogenous polysaccharide – chitin that provides strength, elasticity and surface area for attachment of...

2 Answers 1 views
Explain in detail the central nervous system of cockroach.

Central nervous system (CNS): Central nervous system consists of nerve ring and ventral nerve cord. Nerve ring consists of:  1. a pair of supra-oesophageal ganglia  2. a pair of circum-oesophageal connectives  3. a...

2 Answers 1 views
Enlist the four ganglia of autonomous nervous system of cockroach.

Autonomic nervous system (ANS): It consists of four ganglia and a retrocerebral complex.  The ganglia are as follows:  1. Frontal ganglion: It is present above the pharynx and in front of brain.  2....

2 Answers 1 views
Which of the following features is used to identify a male cockroach from a female cockroach? 

(B) Presence of caudal styles

2 Answers 1 views
X