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MEDSCI142 > Rat Lab > Flashcards

Rat Lab Flashcards

1
Q

What do rats lack for teeth?

A

canines

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2
Q

What do rats lack in digestive system?

A

Gall Bladder

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3
Q

What shape is a rat uterus compared to a human uterus?

A

Rat = Y (has two horns)
Human = Pear

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4
Q

What are the long hairs on the rats face for?

A

Called Vibrissae
Tactile organs which allow the rat to navigate confined spaces in darkness

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5
Q

How many visceral cavities are there and what are they?

A

Two Pleural Cavities (lungs)
Peritoneal (liver spleen,…)
Pericardial (heart)

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6
Q

How many regional cavities are there and what are they?

A

Abdominal
Thoracic

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7
Q

What does APFVO stand for in regards to the walls of organs?

A

Abdominal
Parietal Layer
Serous Fluid
Visceral Layer
Organ

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8
Q

What is the Serous Membrane?

A

Made up of mesothelial cells
Secretes serous fluid

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9
Q

What lines the wall of the Intestine?

A

Thin membrane called Peritoneum which sourrounds periotoneal cavity

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10
Q

What are the three tubular portions of the gut?

A

Oesophagus
Small Intestine
Large Intestine

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11
Q

What are the two sacs of the gut?

A

Stomach
Caecum

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12
Q

Does the oesophagus lie ventral or dorsal to the trachea?

A

Dorsal

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13
Q

What is the Posterior part of the stomach for?

A

Digestion
(opaque)

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14
Q

What is the Anterior part of the stomach for?

A

Storage
(transparent)

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15
Q

What is the Pyloric Sphincter?

A

Collar of smooth muscle which controls the flow of stomach contents into the duodenum (first section of SI)

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16
Q

What are the 3 sections of the Small Intestine in order?

A

Duodenum
Jejunum
Ileum

17
Q

Mesentery Tissue

A

Double Visceral layer of Peritonium

18
Q

Is the Spleen part of digestive or lymphatic system?

A

Lymphatic

19
Q

What does the Spleen do?

A

It controls the level of blood cells. The spleen controls the level of white blood cells, red blood cells and platelets

20
Q

What are the the 4 sections of the Small Intestine in order?

A

Caecum
Colon
Rectum
Anus

21
Q

What is the purpose of the Caecum?

A

House bacteria that act on the gut contents
Breaks down Cellulose

22
Q

What is the main function of the colon?

A

Faecal Matter
Dehydration + reabsorbs water

23
Q

What is the Anus?

A

A Sphincter under Inner Involuntary and Outer Voluntary control

24
Q

What does retroperitoneal mean?

A

Behind the Peritoneum
(to do with kidney)

25
Q

What are two male reproductive glands?

A

Seminal Vesicles
Prostate Gland

26
Q

What are the 3 salivary glands?

A

Parotid
Sublingual
Submandibular

27
Q

What is the function of Cerebrospinal fluid?

A

Mechanical protection
Homeostatic
Circulation

28
Q

What 4 parts of the forebrain are in the Diencephalon?

A

Epithalamus
Thalamus
Hypothalamus
3rd ventricle

MEDSCI142 (18 decks)

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