Skin - Histology at Pomeranian Academy Of Medicine In Szczecin | Flashcards & Summaries

Lernmaterialien für skin - histology an der Pomeranian Academy of Medicine in Szczecin

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bulbourethral glands (cowper's glands)

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3-5mm in diameter, empty into urethra. Tubuloalveolar glands
lined with mucus-secreting simple cuboidal/columnar
epithelium under control of testosterone. Skeletal muscles
and smooth muscle cells are present in the septa

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functional components of respiratory system

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◼ A CONDUCTING PORTION -
is engaged for:
– transport of inspired/expired
gases between atmosphere and
the respiratory system
– condition the inhaled air
(cleaning, moisturizing, heating)



◼ A RESPIRATORY PORTION -
is a region where gas exchange
between lumen of capillaries and
alveoli takes place

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seminal vesicle - accessory gland - layers

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▪ Mucosa
▪ Muscularis
▪ Adventitia
The secretion of the seminal
vesicles: spermatozoa-activating
substances - fructose, citrate,
inositol, prostaglandins,
pyruvate acid, ascorbic acid
-70% of the human ejaculate

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the prostate gland - zones

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4 anatomically and clinically zones:
➢ CENTRAL ZONE surrounds the ejaculatory duct (~ 25% of
glandular tissue), resistant to carcinoma and inflammation);
➢ PERIPHERAL ZONE surrounds the central zone and
occupies posterior and lateral parts (~ 70% of glandular tissue),
most prostatic carcinomas arise from the zone;
➢ TRANSITION ZONE surrounds the prostatic urethra (~ 5%of
glandular tissue – mucosal glands) - BPH;
➢ PERIURETHRAL ZONE contains mucosal and submucosal
glands

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urogenenital system (genital system of female and male)

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➢arises from intermediate mesoderm which forms a urogenital ridge
on either side of the aorta)
➢ development of male and female genital systems are closely
integrated with primitive urinary system

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mesonephron

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❖ Mesonephros and mesonephric ducts lie caudal to pronephros
Mesonephros appears late in fourth week, during regression of
pronephros, and functions as interim kidney until to permanent kidney
develops
❖ Mesonephros consists of renal corpuscles and mesonephric tubule,
which open into mesonephric duct, mesonephric ducts open into the
cloaca.
❖ n the second month the mesonephros large ovoid organ (→) on each
side of the midline.
❖Mesonephros proper degenerates (the end of the first trimester),
mesonephric ducts (Wolffian ducts) have derivatives in males (the
epididymis, vas deferens, seminal vesicles)

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ductus epididymis

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Is an organ that contains the efferent ductules and the duct of the epididymis
and associated vessels, smooth muscle and connective tissue coverings

• Single, highly coiled tube, 4-6 m in length (in some animals 60 m in length)
• Anatomically divided into the caput (head), corpus (body) and cauda (tail)
epididymis
• The pseudostratified columnar epithelium:
1. columnar cells with stereocilia (principal cells); 2. basal cells as stem cells;
3. migrating lymphocytes (called halo cells)
The caput and most of the corpus, the smooth muscle coat consists of thin
layer of circular smooth muscle resembling that of efferent ductules. In the
cauda, inner and outer layers longitudinal layers are added.

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part of epididymis

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The caput epididymis
• ductule efferentes
• proximal ductus epididymis
The corpus epididymis
The cauda epididymis

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epidermis - conists of?

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str. squamous keratinized epi (keratinocytes)

+ melanocytes, langerhans cells, merkel's cells

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filaments role in stratum spinosum


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maintain cohesion and resistance of abrasion

where the skin has to stand against friction, it has a thicker stratum spinosum with more abundant tonofibrils and desmosomes

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stratum granulosum

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consists of 3-5 layers flattened polygonal cells filled with basophilic granules - keratohyalin granules (no membrane)

the granules contain : profilaggrin, involucrin, small proline rich protein, loricrin

the granules fuse with cell membranes and discharge glycolipid, acylglucosylceramide into intercellular spaces - the function of this is to be a water barries and a barrier to penetration by foreign materials

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nasal cavity 

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▪ Two large air-filled spaces in the uppermost
part of respiratory system
▪ Are paired chambers separated
by a cartilaginous and bony (osseous) septum
▪ anteriorly – nostrils; posteriorly – nasopharynx;
laterally – paranasal sinuses and nasolacrimal duct
1. VESTIBULE – externally located, dilated portion of
nasal cavity (external nose),
lined by stratified squamous epithelium
(continuation of the skin of the face)
2. INTERNAL NASAL CAVITIES (NASAL FOSSAE)

RESPIRATORY SEGMENT
(inferior two-thirds part)
– respiratory epithelium
◼ OLFACTORY SEGMENT
(upper one-third part)
– olfactory epithelium

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  • 4401 Karteikarten
  • 56 Studierende
  • 1 Lernmaterialien

Beispielhafte Karteikarten für deinen skin - histology Kurs an der Pomeranian Academy of Medicine in Szczecin - von Kommilitonen auf StudySmarter erstellt!

Q:

bulbourethral glands (cowper's glands)

A:

3-5mm in diameter, empty into urethra. Tubuloalveolar glands
lined with mucus-secreting simple cuboidal/columnar
epithelium under control of testosterone. Skeletal muscles
and smooth muscle cells are present in the septa

Q:

functional components of respiratory system

A:

◼ A CONDUCTING PORTION -
is engaged for:
– transport of inspired/expired
gases between atmosphere and
the respiratory system
– condition the inhaled air
(cleaning, moisturizing, heating)



◼ A RESPIRATORY PORTION -
is a region where gas exchange
between lumen of capillaries and
alveoli takes place

Q:

seminal vesicle - accessory gland - layers

A:

▪ Mucosa
▪ Muscularis
▪ Adventitia
The secretion of the seminal
vesicles: spermatozoa-activating
substances - fructose, citrate,
inositol, prostaglandins,
pyruvate acid, ascorbic acid
-70% of the human ejaculate

Q:

the prostate gland - zones

A:

4 anatomically and clinically zones:
➢ CENTRAL ZONE surrounds the ejaculatory duct (~ 25% of
glandular tissue), resistant to carcinoma and inflammation);
➢ PERIPHERAL ZONE surrounds the central zone and
occupies posterior and lateral parts (~ 70% of glandular tissue),
most prostatic carcinomas arise from the zone;
➢ TRANSITION ZONE surrounds the prostatic urethra (~ 5%of
glandular tissue – mucosal glands) - BPH;
➢ PERIURETHRAL ZONE contains mucosal and submucosal
glands

Q:

urogenenital system (genital system of female and male)

A:

➢arises from intermediate mesoderm which forms a urogenital ridge
on either side of the aorta)
➢ development of male and female genital systems are closely
integrated with primitive urinary system

Mehr Karteikarten anzeigen
Q:

mesonephron

A:

❖ Mesonephros and mesonephric ducts lie caudal to pronephros
Mesonephros appears late in fourth week, during regression of
pronephros, and functions as interim kidney until to permanent kidney
develops
❖ Mesonephros consists of renal corpuscles and mesonephric tubule,
which open into mesonephric duct, mesonephric ducts open into the
cloaca.
❖ n the second month the mesonephros large ovoid organ (→) on each
side of the midline.
❖Mesonephros proper degenerates (the end of the first trimester),
mesonephric ducts (Wolffian ducts) have derivatives in males (the
epididymis, vas deferens, seminal vesicles)

Q:

ductus epididymis

A:

Is an organ that contains the efferent ductules and the duct of the epididymis
and associated vessels, smooth muscle and connective tissue coverings

• Single, highly coiled tube, 4-6 m in length (in some animals 60 m in length)
• Anatomically divided into the caput (head), corpus (body) and cauda (tail)
epididymis
• The pseudostratified columnar epithelium:
1. columnar cells with stereocilia (principal cells); 2. basal cells as stem cells;
3. migrating lymphocytes (called halo cells)
The caput and most of the corpus, the smooth muscle coat consists of thin
layer of circular smooth muscle resembling that of efferent ductules. In the
cauda, inner and outer layers longitudinal layers are added.

Q:

part of epididymis

A:

The caput epididymis
• ductule efferentes
• proximal ductus epididymis
The corpus epididymis
The cauda epididymis

Q:

epidermis - conists of?

A:

str. squamous keratinized epi (keratinocytes)

+ melanocytes, langerhans cells, merkel's cells

Q:

filaments role in stratum spinosum


A:

maintain cohesion and resistance of abrasion

where the skin has to stand against friction, it has a thicker stratum spinosum with more abundant tonofibrils and desmosomes

Q:

stratum granulosum

A:

consists of 3-5 layers flattened polygonal cells filled with basophilic granules - keratohyalin granules (no membrane)

the granules contain : profilaggrin, involucrin, small proline rich protein, loricrin

the granules fuse with cell membranes and discharge glycolipid, acylglucosylceramide into intercellular spaces - the function of this is to be a water barries and a barrier to penetration by foreign materials

Q:

nasal cavity 

A:

▪ Two large air-filled spaces in the uppermost
part of respiratory system
▪ Are paired chambers separated
by a cartilaginous and bony (osseous) septum
▪ anteriorly – nostrils; posteriorly – nasopharynx;
laterally – paranasal sinuses and nasolacrimal duct
1. VESTIBULE – externally located, dilated portion of
nasal cavity (external nose),
lined by stratified squamous epithelium
(continuation of the skin of the face)
2. INTERNAL NASAL CAVITIES (NASAL FOSSAE)

RESPIRATORY SEGMENT
(inferior two-thirds part)
– respiratory epithelium
◼ OLFACTORY SEGMENT
(upper one-third part)
– olfactory epithelium

skin - histology

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