Histology Flashcards
what is the name of the ring that connects between tracheal cartilage? [1]
trachealis muscle
which part of the male reproductive system is this?
epididymis
tubulus rectus
vas deferens
efferent ductules
which part of the male reproductive system is this?
epididymis
tubulus rectus
vas deferens
efferent ductules: saw toothed !
which of the following is largest in veins?
tunica intima
tunica adventitia
tunica media
which of the following is largest in veins?
tunica intima
tunica adventitia
tunica media
what type of cell is A?
schwann cell
satellite cell
fibroblast
nerve axon
oligodendrocyte
what type of cell is A?
schwann cell
satellite cell
fibroblast
nerve axon
oligodendrocyte
what cells are the arrows pointing to?
osteoclasts !!
which type of gland is this?
Simple tubular
Simple coiled tubular glands
Simple branched tubular glands
Simple acinar glands
Simple branched acinar gland
Compound branched tubular gland
Compound acinar gland
Compound tubulo-acinar gland
which type of gland is this?
Simple tubular
Simple coiled tubular glands
Simple branched tubular glands
Simple acinar glands
Simple branched acinar gland
Compound branched tubular gland
Compound acinar gland
Compound tubulo-acinar gland
how does respiratory and olfactory epithelium differ? / how can you tell the difference? (2)
olfactory epithelium has pseudostrat thicker (but still not stratified)!!
AND
nerve fibres in olfactory lamina propria
what is the cellular layer highlighted called? [1]
periosteum
which type of gland is this?
Simple tubular
Simple coiled tubular glands
Simple branched tubular glands
Simple acinar glands
Simple branched acinar gland
Compound branched tubular gland
Compound acinar gland
Compound tubulo-acinar gland
which type of gland is this?
Simple tubular
Simple coiled tubular glands
Simple branched tubular glands
Simple acinar glands
Simple branched acinar gland
Compound branched tubular gland
Compound acinar gland
Compound tubulo-acinar gland
what is A?
melanocytes
at the end of each seminfierous tubule there is a transition to straight tubules (aka WHAT)? [1]
what is the histological change that occurs here? [1]
what do the tubules empty into? [1]
at the end of each seminfierous tubule there is a transition to straight tubules (aka WHAT)? [1] tubuli recti
what is the histological change that occurs here?
changes to simple cuboidal epi
what do the tubules empty into? [1]
rete testis
what type of cells line the nasal cavity respiratory system - respiratory mucosa?
what are the 3 different types?^
what is role? (2)
respiratory mucosa:
- ciliated, pseudostratified columnar epithelium
a) goblet cells - tall columnar cells producing mucous
b) brush cells - bear short microvilli
c) basal cells - stem cells
role:
warms, moistens and filters the inspired air
what do you find eitherside of the tunica media in muscular arteries? [2]
internal elastic lamina
tunica media
external elastic lamina
label A & B
A: Leydig cells
B: Reinke crystals
label A & B
A: osteoblasts
B: osteocytes
what cell type is this? [1]
brown adipose tissue
white adipose tissue
loose connective tisue
elastin
dense connective tissue
what cell type is this? [1]
brown adipose tissue
white adipose tissue
loose connective tisue
elastin
dense connective tissue
label A-E
A: epiphysis
B: centre of secondary ossification
C: epiphysial growth plate
D: diaphysis
E: cortical bone
what are the 4 layers of the epidermis?
basal layer: stratum basale
stratum spinosum
stratum granulosum
stratum corneum
what is D?
proteoglycans
fibroblasts
elastin
adipocytes
collagen
what is D?
proteoglycans
fibroblasts
elastin
adipocytes
collagen
which of the following allows heart muscle cells to contract more forcefully by synchronising calcium release from the sarcoplasmic reticulum throughout the cell
A
B
C
D
E
which of the following allows heart muscle cells to contract more forcefully by synchronising calcium release from the sarcoplasmic reticulum throughout the cell
A
B
C
D
E
which of the following are contain cadherins?
tight junction
desmosome
hemidesmosome
gap junction
which of the following are contain cadherins?
tight junction
desmosome
hemidesmosome
gap junction
Which histological landmarks of the sarcomere shrink when a muscle contracts? [3]
The I-band and the H-band decrease in size; [2]
the A-band remains the same.
what is this?
adipocytes
what is this highlighted?
basament membrane
which of the following control paracellular diffusion & prevents exchange of intrinsic proteins and lipids between apical and basolateral plasma membrane?
tight junction
desmosome
hemidesmosome
gap junction
adherens
which of the following control paracellular diffusion & prevents exchange of intrinsic proteins and lipids between apical and basolateral plasma membrane?
tight junction
desmosome
hemidesmosome
gap junction
adhering belt / zonula adherens
what type of cells does the genital ducts become when it gets to the efferent ductules? [1]
what type of cells does the genital ducts become when it gets to the efferent ductules? [1]
pseudostratified columnar epi
looks saw toothed !
what type of cell is A?
astrocyte
satellite
ependymal
oligodendrocyte
goblet
what type of cell is A?
astrocyte
satellite: surrounds ganglion
ependymal
oligodendrocyte
goblet
which part of the heart is this?
epicardium
myocardium
endocardium
which part of the heart is this?
epicardium
myocardium
**endocardium: has a surface layer of flattened endothelial cells.
(p = purkinje fibres)**
label A-H of the lymph node
A = afferent lymphatic, B =subcapsular sinus, C = cortex, D = medullary cords, E = medulla, F = efferent lymphatic, G = hilus, H = secondary follicles
label A-E of the synovial joint
A: middle phalanx
B: terminal phalanx
C: hyaline cartilage
D:
which of the following is a hemidesmosome?
A
B
C
D
E
which of the following is a hemidesmosome?
A
B
C
D
E
what is A?
proteoglycans
fibroblasts
elastin
adipocytes
collagen
what is A?
proteoglycans
fibroblasts
elastin
adipocytes
collagen
what region of the GI tract is this? [1]
how can you tell? [1]
duodenum [1]
brunners glands [1]
which of the following is a desmosome?
A
B
C
D
E
which of the following is a desmosome?
A
B
C
D
E
label A & B of seminiferous tubule
A: sertoli cell
B: leydig cell
which type of gland is this?
Simple tubular
Simple coiled tubular glands
Simple branched tubular glands
Simple acinar glands
Simple branched acinar gland
Compound branched tubular gland
Compound acinar gland
Compound tubulo-acinar gland
which type of gland is this?
Simple tubular
Simple coiled tubular glands
Simple branched tubular glands
Simple acinar glands
Simple branched acinar gland
Compound branched tubular gland
Compound acinar gland
Compound tubulo-acinar gland
what are the sertoli cells function? [2]
where are they located? [1]
what are nuclei like? [2]
what are the sertoli cells function? [1]
- *- form blood-testis barrier:** act as a bridge between interbular space and lume of tubule
- nourishment of spermatogenic cells
where are they located? [1]
- seminiferous tubules: span from the basement membrane to the lumen.
what are nuclei like? [2]
ovoid or triangular
label a & B
A: testis
B: epididymis
what are the 4 anatomically distinct zones of prostate glands? [4]
–Central zone: surrounds the ejaculatory ducts with mucosal glands. Resistant to carcinoma. Cells have larger nuclei and basophilic cytoplasm.
–Peripheral zone: Surrounds central zone with branched tubuloalveolar glands. Most carcinomas arise from this zone.
–Transitional zone: Surrounds the prostatic urethra with mucosal glands. In older individuals there is hyperplasia (BPH).
Periurethral zone: Contains mucosal and submucosal glands
what type of muscle cell is this?
cardiac
smooth
skeletal
what type of muscle cell is this?
cardiac
smooth
skeletal
which type of gland is this?
Simple tubular
Simple coiled tubular glands
Simple branched tubular glands
Simple acinar glands
Simple branched acinar gland
Compound branched tubular gland
Compound acinar gland
Compound tubulo-acinar gland
which type of gland is this?
Simple tubular
Simple coiled tubular glands
Simple branched tubular glands
Simple acinar glands
Simple branched acinar gland
Compound branched tubular gland
Compound acinar gland
Compound tubulo-acinar gland
what is this?
lymphatic vessel
lymphatic channels become larger, the muscle layer ML becomes thicker and its contraction makes a greater contribution to the movement of lymph along the vessel. Backflow of lymph fluid is prevented by valves (not illustrated here).
what type of nerve ending is this? how can you tell?
Sympathetic nerve endings: Noradrenaline (norepinephrine) is the main postganglionic neurotransmitter in the sympathetic nervous system.
When noradrenaline combines with formalin (and some other compounds) it becomes fluorescent and can be visualised by fluorescence microscopy.
which of the following is the vas deferens?
1
2
3
4
5
which of the following is the vas deferens?
1
2
3
4
5
which cells outline here? [1]
ependymal cells (surround the choroid plexus)
what is C?
proteoglycans
fibroblasts
elastin
adipocytes
collagen
what is C?
proteoglycans
fibroblasts
elastin
adipocytes
collagen
what cell type is this? [1]
brown adipose tissue
which of the following is a tight junction?
A
B
C
D
E
which of the following is a tight junction?
A
B
C
D
E
what type of collagen is this?
type 1
type 2
type 3
type 4
type 5
what type of collagen is this?
type 1
type 2
type 3
type 4
type 5
which part of the male reproductive system is this?
epididymis
tubulus rectus
vas deferens
efferent ductules
which part of the male reproductive system is this?
epididymis
tubulus rectus
vas deferens
efferent ductules: saw toothed !
which cells are outlined in brown stained processes?
schwann cells
oligodendrocytes
astrocytes
ependymal
endothelium
which cells are outlined in brown stained processes?
schwann cells
oligodendrocytes
astrocytes
ependymal
endothelium
Externally, the basement membranes are covered by the perivascular foot processes of astrocytes, shown in micrograph (c), where brown-stained processes form a continuous layer.
what type of cell is this? [1]
goblet cell
which of the following is the rete testis?
1
2
3
4
5
which of the following is the rete testis?
1
2
3
4
5
label 1-5 of trachea
- Endothelium of trachea
- Seromucous glands
- Lamina propria and submucosa
- Hyaline cartilage
5 adventita
label A-D
A: secondary ossification centre
B: epiphysial cartilage
C: growth plate
D: diaphysis bone
label A-E
A = **enterocyte brush border** B = **lacteal** C = **goblet cell** D = **immune cells (lymphocytes)** E = **lamina propria**
in the heart tissue, in areas containing artery branches, there is normally a variable layer of which type of tissue? [1]
adipose tissue
what is A? [1]
what is B? [1]
what is C [1]
A: axon
B: mesaxon: a pair of parallel plasma membranes of a Schwann cell
C: schwann cell
which of the following would you find stratified squamous cells?
colon
lower urinary tract
epidermis
oesophagus
collecting tubules of kidney
nose
alveoli
which of the following would you find stratified squamous cells?
colon
lower urinary tract
epidermis
oesophagus
collecting tubules of kidney
nose
alveoli
which of the following is a layer of cuboidal cells?
stratum basale
stratum spinosum
stratum granulosum
stratum corneum
which of the following is a layer of cuboidal cells?
stratum basale
stratum spinosum
stratum granulosum
stratum corneum
which of the following would you find keratinised stratified squamous cells?
colon
lower urinary tract
epidermis
oesophagus
collecting tubules of kidney
nose
alveoli
which of the following would you find keratinised stratified squamous cells?
colon
lower urinary tract
epidermis
oesophagus
collecting tubules of kidney
nose
alveoli