Forwarded from Study Partner 196👨🏻⚕️👩🏻⚕️ (. .)
Forwarded from Study Partner 196👨🏻⚕️👩🏻⚕️ (. .)
Oxyphil cells of the parathyroid gland are characterized by
Anonymous Quiz
78%
increase in number with age.
8%
rich in rER& Golgi apparatus.
8%
they represent degenerated chief cells
6%
secrete parathyroid hormone
Forwarded from Study Partner 196👨🏻⚕️👩🏻⚕️ (. .)
Which is true about oxyphil cells
Anonymous Quiz
92%
are deeply acidophilic
0%
contain numerous rER
5%
are more numerous than chief cells
3%
smaller than chief cells
Forwarded from Study Partner 196👨🏻⚕️👩🏻⚕️ (. .)
Forwarded from Study Partner 196👨🏻⚕️👩🏻⚕️ (. .)
Oxyphil cells are present in the
Anonymous Quiz
98%
parathyroid gland
0%
adenohypophysis
0%
neurohypophysis
3%
pineal gland
Forwarded from Study Partner 196👨🏻⚕️👩🏻⚕️ (. .)
Oxyphil cells of the parathyroid gland are acidophilic due to the presence of many:
Anonymous Quiz
25%
sER
0%
rER
0%
lysosomes
75%
mitochondria
Forwarded from Study Partner 196👨🏻⚕️👩🏻⚕️ (. .)
lodination of the thyroglobulin occurs:
Anonymous Quiz
78%
extracellular in the follicular lumen
19%
intracellular inside the follicular cell
3%
ntercellular
0%
inside the capillaryi
Forwarded from Study Partner 196👨🏻⚕️👩🏻⚕️ (. .)
The secretion of parathyroid cells is regulated by:
Anonymous Quiz
5%
Thyroid stimulating hormone
95%
Blood calcium level.
0%
Corticosteroid level
0%
T3 & T4
Forwarded from Study Partner 196👨🏻⚕️👩🏻⚕️ (. .)
Pinealocytes of the pineal body
Anonymous Quiz
2%
produce melatonin only.
10%
are astrocyte-like cells
7%
are called brain sand
81%
produce serotonin & melatonin
Forwarded from Study Partner 196👨🏻⚕️👩🏻⚕️ (. .)
Forwarded from Study Partner 196👨🏻⚕️👩🏻⚕️ (. .)
Melatonin is secreted from
Anonymous Quiz
7%
chromaffin cells
0%
astroglia cells
5%
corticotrophs
89%
pinealocytes
Forwarded from Study Partner 196👨🏻⚕️👩🏻⚕️ (. .)
Pinealocytes
Anonymous Quiz
0%
secrete melatonin only
0%
secrete serotonin only
5%
appear as brain sand
95%
secrete melatonin and serotonin
Forwarded from Study Partner 196👨🏻⚕️👩🏻⚕️ (. .)
Forwarded from Study Partner 196👨🏻⚕️👩🏻⚕️ (ABDO FARGHLY)
6. The most powerful mechanical force in the body caused by myofibroblasts is:
Anonymous Quiz
11%
a) Granulation tissue
83%
b) Wound contraction
0%
c) Wound dehiscence
6%
d) Type IV cartilage
Forwarded from Study Partner 196👨🏻⚕️👩🏻⚕️ (. .)
Forwarded from Study Partner 196👨🏻⚕️👩🏻⚕️ (. .)
The following occurs during spermiogenesis
Anonymous Quiz
88%
The anterior 2/3 of the sperm nucleus is covered by the acrosome
0%
Hydrolytic enzymes are formed in sER
0%
Mitochondria are not apparent in the sperm cell during this process
13%
The formed residual bodies are phagocytosed by macrophages
Forwarded from Study Partner 196👨🏻⚕️👩🏻⚕️ (Abdulrahman bin Hasan)
The mediastinum testis is the posterior thickening of
Anonymous Quiz
0%
Tunica vasculosa
6%
Scrotum
91%
Tunica albuginea
3%
Tunica vaginalis.
Forwarded from Study Partner 196👨🏻⚕️👩🏻⚕️ (Abdulrahman bin Hasan)
The testis is a
Anonymous Quiz
76%
Compound tubular gland
6%
Simple branched tubular gland
15%
Compound tubuloalveolar gland
3%
Simple coiled tubular gland
Forwarded from Study Partner 196👨🏻⚕️👩🏻⚕️ (Abdulrahman bin Hasan)
Spermatogonia are characterized by
Anonymous Quiz
3%
Containing the haploid number of chromosomes
9%
Lying in the luminal compartment of the seminiferous tubules.
81%
Being of three types
6%
Lying in one layer only
Forwarded from Study Partner 196👨🏻⚕️👩🏻⚕️ (. .)
During the Golgi phase of spermiogenesis
Anonymous Quiz
3%
Mitochondria aggregate below the neck
16%
Acrosomal cap spreads to cover the anterior 2/3 of nucleus
81%
Two centrioles migrate to the opposite pole of the spermatid
0%
Excess cytoplasm is pinched off
Forwarded from Study Partner 196👨🏻⚕️👩🏻⚕️ (. .)