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Anika [276]
2 years ago
15

In the male reproductive system, the pituitary hormone _____ stimulates Leydig cells to secrete testosterone, and the pituitary

hormone _____ stimulates Sertoli cells to secrete protein and other molecules required for spermatogenesis. a. FSH; GnRH b. FSH; testosterone c. GnRH; FSH d. LH; inhibin e. LH; FSH
Biology
1 answer:
Katena32 [7]2 years ago
6 0

Answer:

<u>Luteinizing hormone </u>(LH) stimulates Leydig cells to secrete testosterone

<u>Follicle stimulating hormone (FSH)</u> stimulates Sertoli cells to secrete protein and other molecules required for spermatogenesis

Explanation:

Under the influence of gonadotropin-releasing hormone, the anterior pituitary releases luteinizing hormone (LH) and follicle-stimulating hormone (FSH). In males, LH stimulates interstitial cells of testes (Leydig cell) to secrete the hormone testosterone. FSH acts indirectly to stimulate spermatogenesis by causing the release of androgen-binding protein (ABP) from the Sertoli cells. The function of ABP is to maintain the higher concentrations of testosterone to stimulate the final steps of spermatogenesis in the seminiferous tubules.

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Drag each label into the proper position to identify whether the indicated structure is located on the femur, humerus, or both.
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Femur: Greater trochanter-Gluteal tuberosity. Humerus: Coronoid fossa-Intertubercular sulcus-Trochlea-Lesser tubercle-Deltoid tuberosity-Olecranon fossa. Both, femur and humerus: Medial epicondyle-Capitulum-Intercondylar fossa-Lateral epicondyle-Head.  

Further Explanation:

Femurs:  

femurs or femora, or thigh bone, is the proximal bone of the hindlimb in tetrapod vertebrates. The head of thefemur explains with the hip bone socket in the pelvic bone framing the hip joint, while the distal piece of the femurarticulates with the tibia and kneecap shaping the knee joint.  

Humerus:  

The humerus is the long bone in the upper arm. It is situated between the elbow joint and the shoulder. At the elbow, it associates essentially to the ulna, as the lower arm's outspread bone interfaces with the wrist. At the shoulder, the humerus associates with the edge of the body by means of the glenoid fossa of the scapula.  

Femur or humerus:  

Humerus is situated in the upper arm, while femur is found in the upper leg. The length and the normal breadth of the femur are higher than that of humerus.Femur is the biggest bone in the body while humerus is the second biggest. Femur is more grounded than humerus.  

humerus and the femur comparative:

The humerus and the femur are relating bones of the arms and legs, separately. While their parts are comparable by and large, their structure has been adjusted to contrasting capacities. The leader of the humerus is practically hemispherical, while that of the femur shapes around 66% of a circle.

Subject: biology

Level: college

Keywords: femurs, humerus, femur or humers, humerus and the femur comparative.  

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